Roller Chain General Catalog

ROLLER CHAIN & POWER TRANSMISSION COMPONENTS GENERAL PRODUCT CATALOG

LEADING THE MOVEMENT

Powering Your Every Need

Tsubaki’s wide range of power transmission and motion control products are here for your various operational needs. From the simplest to the most complicated applications, we have the right product for you. Quality is guaranteed. Expect to get maximum performance from any of our products.

Engineering Class Chains With experienced engineers who understand the changing demands of the market, Tsubaki proudly features heavy-duty engineered chain, designed to withstand rigorous operating conditions across a range of applications. Tsubaki offers a full lineup of engineering class chain, from Drive, Roller Conveyor, Steel Bushed, Welded Steel, Drop Forged, Bar to Pin and service programs such as the ProService ® Life Cycle Field Service Package.

100+ YEARS. 70+ LOCATIONS. 1 MISSION.

Sprockets It has to be precise and strong. Extensive design, engineering, and manufacturing capability allows us to produce a wide variety of

Made-To-Order (MTO) sprocket products for a multitude of applications. From one-off custom to high volume OEM sprocket requirements, Tsubaki has you covered.

For more than 100 years, Tsubaki has developed and manufactured the highest quality products for power transmission, material handling and motion control. An intense focus on innovation and an unwavering commitment to quality has helped us consistently meet the evolving needs of our customers since 1917. Today, we have more than 26 manufacturing sites globally and our products are sold in more than 70 countries. Our international presence affords us access to the brightest minds in engineering, many of whom have contributed to the development of our industry leading products and services.

Power Transmission Components and Backstops Quality designs and features are key when it comes to clutches and backstops. From preventing reverse rotations to overheating, Tsubaki clutches and backstops are designed to outperform the competition. With a variety of innovative power transmission solutions from overload protection to keyless shaft mounting devices to custom zip chain lifters, Tsubaki has your solution.

Cable & Hose Carriers It is not a one-size-fits all solution.

Not all applications can be solved by one type of carrier. Tsubaki KabelSchlepp’s cable & hose carriers can come in nylon, steel and hybrid materials. Whether you have an extremely heavy cable package or an ultra long travel length, we have got the perfect carrier for you.

Don't see what you need? Call us at 800-323-7790 and we will make it!

TABLE OF CONTENTS Introduction Why Tsubaki Chain?..........................................................................................1 Basics of Roller Chain.......................................................................................3 Common Roller Chain Applications..................................................................6 ANSI Chains 25 Roller Chain – ¼” Pitch...............................................................................8 35 Roller Chain – 3/8” Pitch.............................................................................9 37, 38, 41 Roller Chains – ½” Pitch...............................................................10 40 Roller Chain – ½” Pitch.............................................................................11 50 Roller Chain – 5/8” Pitch...........................................................................12 60 Roller Chain – ¾” Pitch.............................................................................13 80 Roller Chain – 1” Pitch..............................................................................14 100 Roller Chain – 1-1/4” Pitch.....................................................................15 120 Roller Chain – 1-1/2” Pitch.....................................................................16 140 Roller Chain – 1-3/4” Pitch.....................................................................17 160 Roller chain – 2” Pitch.............................................................................18 180 Roller Chain – 2-1/4” Pitch.....................................................................19 200 Roller Chain – 2-1/2” Pitch.....................................................................20 240 Roller Chain – 3” Pitch............................................................................21 Conveyor Series Single Pitch Conveyor Series Chains..............................................................22 Double Pitch Conveyor Series Chains............................................................23 Double PItch Conveyor Series Chains (Delrin Roller).....................................24 Heavy Duty Chains Introduction. ...................................................................................................26 Heavy Series...................................................................................................27 T Series...........................................................................................................28 HT Series........................................................................................................29 Super Series...................................................................................................30 Super H Series................................................................................................31 Ultra Super Series...........................................................................................32 Attachment Chains Introduction. ...................................................................................................34 How to Order Attachment Chains....................................................................35 Single Pitch Attachment Chains......................................................................37 Double Pitch Attachment Chains.....................................................................39 Double Pitch Attachment Chains (Delrin Roller).............................................40 Single and Double Pitch Hollow Pin Chains...................................................41 Curved Chains................................................................................................42 British Standard Roller Chains Introduction. ...................................................................................................45 British Standard Chains .................................................................................46 British Standard Lube-Free (Lambda ® )...........................................................47 British Standard Corrosion & Heat Resistant..................................................48 British Standard Attachment Chains................................................................49 Lube-Free Chains Introduction – Lambda ® Chains......................................................................51 Specialty Lambda ® Chain Options..................................................................52 Drive Lambda ® Roller Chains.........................................................................53 Conveyor Lambda ® Chains and Attachments..................................................54 Double Pitch Lambda ® Chains........................................................................55 Corrosion Resistant Lambda ® Chains.............................................................56 Drive Xceeder ® Roller Chain...........................................................................57 Conveyor Xceeder ® Chains and Attachments..................................................58 Double Pitch Xceeder ® Chains and Attachments.............................................59 High-Temp Lambda ® Chains. .........................................................................60 Hollow Pin Lambda ® Chains...........................................................................61 Outboard Roller Lambda ® Chains. ..................................................................62 Top Plate Lambda ® Chains..............................................................................64

Sprockets Sprockets 101................................................................................................132 No. 25 Sprockets: 1/4˝ Pitch.........................................................................138 No. 35 Sprockets: 3/8˝ Pitch.........................................................................139 No. 41 Sprockets: 1/2˝ Pitch.........................................................................143 No. 40 Sprockets: 1/2˝ Pitch.........................................................................145 No. 50 Sprockets: 5/8˝ Pitch.........................................................................151 No. 60 Sprockets: 3/4˝ Pitch.........................................................................158 No. 80 Sprockets: 1˝ Pitch............................................................................165 No. 100 Sprockets: 1-1/4˝ Pitch...................................................................171 No. 120 Sprockets: 1-1/2˝ Pitch...................................................................176 No. 140 Sprockets: 1-3/4˝ Pitch...................................................................179 No. 160 Sprockets: 2˝ Pitch..........................................................................182 No. 180 Sprockets: 2-1/4˝ Pitch...................................................................184 No. 200 Sprockets: 2-1/2˝ Pitch...................................................................184 No. 240 Sprockets: 3˝ Pitch..........................................................................185 C2040 Sprockets: 1˝ Pitch............................................................................185 C2042 Sprockets: 1˝ Pitch............................................................................186 C2050 Sprockets: 1-1/4˝ Pitch.....................................................................186 C2052 Sprockets: 1-1/4˝ Pitch.....................................................................187 C2060 Sprockets: 1-1/2˝ Pitch.....................................................................187 C2062 Sprockets: 1-1/2˝ Pitch.....................................................................188 C2080 Sprockets: 2˝ Pitch............................................................................188 C2082 Sprockets: 2˝ Pitch............................................................................189 RS06B Sprockets – 3/8” Pitch.......................................................................190 RS08B Sprockets – ½” Pitch.........................................................................190 RS10B Sprockets – 5/8” Pitch.......................................................................191 RS12B Sprockets – ¾” Pitch.........................................................................191 RS16B Sprockets – 1” Pitch..........................................................................192 Double Plus ® Spockets..................................................................................193 TAPER-LOCK ® Bushings...............................................................................194 TAPER-LOCK ® Weld-On Hubs.......................................................................197 QD ® Bushings ...............................................................................................199 QD ® Weld-On Hubs.......................................................................................203 No. 35 Split Taper Sprockets.........................................................................204 No. 41 Split Taper Sprockets.........................................................................205 No. 40 Split Taper Sprockets.........................................................................206 No. 50 Split Taper Sprockets.........................................................................207 No. 60 Split Taper Sprockets.........................................................................208 No. 80 Split Taper Sprockets.........................................................................209 No. 100 Split Taper Sprockets.......................................................................211 No. 120 Split Taper Sprockets.......................................................................213 No. 140 Split Taper Sprockets.......................................................................215 No. 160 Split Taper Sprockets.......................................................................216 Split Taper Bushings......................................................................................217 Split Taper Hubs............................................................................................219 Smart Tooth ® Sprockets................................................................................220 TABLE OF CONTENTS

Corrosion & Heat Resistant Chains Corrosion Resistant Guide..............................................................................66 Single Pitch & Hollow Pin Neptune ® Chains. .................................................69 Double Pitch & Hollow Pin Neptune ® Chains.................................................70 Single Pitch & Hollow Pin Nickel Plated Chains.............................................71 Double Pitch & Hollow Pin Nickel Plated Chains............................................72 Single Pitch & Hollow Pin Stainless Steel Chains..........................................73 Double Pitch Stainless Steel Chains...............................................................74 Super Stainless™ Steel Roller Chains.............................................................75 Poly-Steel Chains...........................................................................................76 Corrosion Resistant Attachments....................................................................77 Harsh Environment Chain Titan ® Series Roller Chains.............................................................................79 Oilfield (Energy Series ® ) Chains Introduction. ...................................................................................................83 Single Strand Oilfield Chains..........................................................................84 Multi-Strand Oilfield Chains...........................................................................85 Leaf Chains Introduction and Technical Information...........................................................87 AL Series Leaf Chains.....................................................................................89 BL Series Leaf Chains.....................................................................................90 Ultra-Life Series Leaf Chains..........................................................................91 Free Flow & Top Chains Introduction. ...................................................................................................93 Double Plus ® Chains......................................................................................94 Double Plus ® Guide Rails...............................................................................95 Pallet Guide Rails............................................................................................96 Plastic Return Guides & Brackets....................................................................97 Poly-Steel & Guide Attachments.....................................................................98 Outboard Roller Chains - Technical Details.....................................................99 Single & Double Pitch Outboard Roller Chains.............................................100 Single & Double Pitch Outboard Roller Chains with Brake Roller.................101 Single Pitch Top Roller Chains......................................................................102 Double Pitch Top Roller Chains....................................................................104 Roller Table Chains.......................................................................................105 ST Series Roller Table Chains.......................................................................106 RT Series Roller Table Chains.......................................................................107 Top Chains TS Series Top Chains....................................................................................108 TT & TP Series Top Chains...........................................................................109 TTU & TPU Top Series Chains......................................................................110 TTP & TN Top Series Chains.........................................................................111 TRU & TKU Series Top Chains......................................................................112 TNU & TO Top Series Chains........................................................................113 TU Series Top Chains....................................................................................114 Single & Double Pitch Plastic Chains...........................................................115 Plastic Chain Corrosion Resistant Guide......................................................116 Specialty Chains Laser-Express™ ...........................................................................................118 Made-To-Order Specials...............................................................................119 Thermoforming Chains.................................................................................121 Miniature Chains..........................................................................................122 Bindery Chains.............................................................................................123 Vacuum Wrapping Chains.............................................................................124 Gripper Chains™..........................................................................................125 Pin Oven Chains...........................................................................................126 Crossrod Chains...........................................................................................127 Live Tubular Roller Chains............................................................................128 Bucket Elevator Chains.................................................................................129 Bearing Bushed Chains.................................................................................130

Power Transmission Units & Components Introduction. .................................................................................................222 Clutches & Backstops Information................................................................223 MGUS & BB Series Clutches & Backstops...................................................225 TSS & TFS Series Clutches & Backstops......................................................226 BUS200 & PBUS Series Clutches & Backstops............................................227 MZ & MIUS Series Clutches & Backstops....................................................228 MZEU & BREU Series Clutches & Backstops................................................229 BR-HT & BRUS Series Clutches & Backstops...............................................230 BSEU & CA Series Clutches & Backstops.....................................................231 BS Series & BS/BS-F Series Clutches & Backstops.....................................232 BS-F Series Backstops..................................................................................233 POWER-LOCK ® Introduction. .......................................................................234 AS & AD Series POWER-LOCKS ® . ...............................................................237 AE & FL Series POWER-LOCKS ® . ................................................................238 RE & KE Series POWER-LOCKS ® .................................................................239 TF & SL Series POWER-LOCKS ® . ................................................................240 EL & EF Series POWER-LOCKS ® ..................................................................241 Shock Relays - Introduction..........................................................................242 TSBSB/TSBED Series Shock Relays.............................................................244 TSBSC Shock Relays....................................................................................245 Overload Protection Devices ........................................................................246 Chain Tools & Technical Resources Chain Management System™ (CMS)............................................................248 Wear Indicator Kits........................................................................................249 Chain Tools...................................................................................................250 Technical Resources Roller Chain Drive Selection Process............................................................251 Heavy-Duty Series Chain Selection...............................................................254 British Standard Drive Selection ..................................................................254 Roller Chain Installation & Arrangement ......................................................256 Roller Chain Lubrication Guide.....................................................................257 Troubleshooting Guide..................................................................................259 Attachment Chain Selection Guide................................................................260 Double Plus ® & Outboard Roller Selection Procedure..................................263 Top Chain Selection & Engineering Information............................................269 Roller Table Selection Procedure...................................................................275 Pitch Conversion Table.................................................................................278 Lambda ® Horsepower Tables........................................................................279 Xceeder ® Horsepower Tables........................................................................283

US Tsubaki Terms & Conditions of Sale ........................................................286

ANSI Roller Chains Why Tsubaki Chain?

Assurance of Greater Fatigue Strength: The wider waist of the Tsubaki link plates ensures greater fatigue strength for all chain sizes and styles. Fatigue strength (Maximum Allowable Load) of each chain size can be found in the ANSI Chain section of this catalog.

Heat Treatment: Chain durability depends heavily on the proper heat treatment of the wear components. The use of advanced heat-treatment methods allows for Tsubaki roller chains to maintain a high level of durability.

Improved Tsubaki Chain

Previous Tsubaki Chain

Tsubaki

Other Brands

Prelubrication: A special lubrication is applied by hot-dipping the chain in an oil bath prior to packaging. This will help to ensure that the lube penetrates the key friction wear points of the chain.

Longer Wear Life & Less Set-up time: • Tsubaki has decreased initial wear elongation to .01% and increased the life by up to 2x as long in many applications. When there isn’t time to adjust and readjust a chain during installation, Tsubaki roller chains are the very best solution. • Tsubaki uses a special pre-lubrication process that vastly increases chain wear life. • Improved Tsubaki roller chain sizes 80-140 have the patented Performax ™ solid lube groove bushings. By retaining the lube in the grooves of the bushing, it allows lubrication to stay in the key pin and bushing friction point.

33% Increase in Horsepower Ratings

Revs Per Minute (RPM)

*Ratings are for RS80-RS240 Roller Chains

Laser-Express™ – Custom Capabilities: No specialty attachment for roller chain is too complex for Tsubaki. With its Laser-Express™ produc- tion line, even the most unique

Competitor A Competitor B

Improved Tsubaki Chain

Previous Tsubaki Chain

Improved Tsubaki Chain

Longer Wear Life Tsubaki roller chains last up to twice as long as previously manufactured chains due to the reliability and durability of the solid bushing and patented lube groove design. This technology covers sizes 80-140 in carbon steel chains. The solid bushings are precisely round while the grooves on the inner wall of the bushing holds lubricant where the chain needs it most. The result is a longer lasting chain. Revs Per Minute (RPM) *Ratings are for RS80-RS240 Roller Chains 33% Increase in Horsepower Ratings Previous Tsubaki Chain

Higher Horsepower Ratings Tsubaki ANSI roller chains can handle up to 33-percent more horsepower allowing your application to increase drive performance without increasing chain size. Tsubaki chains may also allow your applicaiton to transmit the same horsepower with a smaller pitch chain. The improvement comes from a ring-coining process for slip-fit style connecting links.

Greater Fatigue Strength Tsubaki chains are designed to have greater fatigue strength. The wider-waist of the link plates puts more metal where it’s needed most. This means less downtime, reduced operating costs, and better application efficiency. These benefits impact your application in one major way - the bottom line. RS80 - RS140 0 50 100 150 200 1.5 1.0 .05

attachments are simple. No special tooling or lengthy lead times are needed. Parts can be directly created from even the most complex CAD and SolidWorks ® drawings.

Perfectly Cylindrical Inside Bushing Wall

Patented Performax ™ solid lube groove bushing

Shot Peened Parts: Link plates and rollers are shot peened for greater fatigue strength.

Time (Hours)

A Completely Automated Manufacturing Process: The manufacturing of Tsubaki roller chains employs advanced

automated techniques. The specialized equipment used in each process ensures that all parts are uniform and of the highest quality. The adjacent image shows an assembled solid bushing placed in the roller link.

Factory Preloading: Tsubaki roller chains are preloaded using a process that involves the chain, under tension running through a loading table (see below). This allows all key components to seat properly thus eliminating initial set up elongation. This process is

Wear Elongation Curve

Horsepower Ratings

S-N Curve

Improved Tsubaki Chain

Competitor A Competitor B

Previous Tsubaki Chain

A & a: Fatigue strength B & b: Tensile strength

Previous Tsubaki Chain

Improved Tsubaki Chain

B b

1.5

33% Increase in Horsepower Ratings

US Tsubaki Improved

commonly referred to as prestressing the chain.

RS80 - RS140

1.0

Other roller chain

A a

.05

10 3

10 4

10 5

10 6

10 7

10 2

“N” Number of times load is applied

Revs Per Minute (RPM)

100

150

200

*Ratings are for RS80-RS240 Roller Chains

Time (Hours)

SolidWorks ® is a registered trademark of Dassault Systémes.

The below information provides information on the basics of roller chain construction:

5. Chain Cut-To-Length: One of the unique offerings from Tsubaki is the ability to cut any chain in our offering to the desired length needed for your application. This eliminates unnecessary waste and unnecessary down time.

Basics of Roller Chain

R = Riveted C = Cottered

Chain Size

Cut = Cut to length

1. Chain Pitch: Chain pitch, otherwise known as chain size, is the distance from pin center to pin center. Pitch is always measured in inch increments.

ANSI Standard Chain Pitch Sizes

CUT

Pitch#

Pitch in Inches

Pitch #

Pitch in Inches

25 35 40 41 50 60 80

1/4” 3/8” 1/2” 1/2” 5/8” 3/4”

100 120 140 160 180 200 240

1 1/4” 1 1/2” 1 3/4”

2”

2 1/4” 2 1/2”

1”

3”

RB = Riveted 10-foot box

6. Chain Reel and Box Stock: Roller chains are also available on 50-foot and 100-foot reels. Sizes 25-60 are available in 100-foot reels. Size 80 is available on 50-foot reels. All standard stock Tsubaki roller chains are available in 10-foot boxes.

Pitch

(each box includes one connecting link)

CB = Cottered 10-foot box

(each box includes on connecting link)

2. Chain Construction: Roller chain is constructed of four components: pins, plates, rollers and bushings.

Roller LInk Plate

Roller

R50 = 50-foot reel

Roller LInk Plate

(Includes 5 connecting links)

R100 = 100-foot reel

(Includes 10 connecting links)

Bushing Roller

Pin Link

H = Heavy Series T = Thru-hardened pin series HT = Heavy with thru-hardened pin Super = Super Series HSuper = Super Heavy Series

Pin Link Plate

7. Heavy-Duty Series Chains: For applications where roller chains are exposed to higher loads, greater shock loads, or severe duty high-torque style applications, Tsubaki manufactures a complete line of Heavy Duty series roller chains.

3. Connecting Links: In most applications, roller chain is used in a continuous loop. This loop is often times connected with a connecting link. In normal conditions, spring clip (size 60 and smaller) or cotter-pin style links (80 through 240) are used. For more severe applications, press-fit links are used.

ULTRASUPER = Ultra Super Series

Cottered Connecting LInk

Spring Clip Connecting Link

8. Leaf Chains: Tsubaki manufactures a complete line of leaf chains. There are two series that Tsubaki manufacturers – AL series and BL series. BL series chains are a heavier version of the AL series and come with a larger pin and plate. Chains are identified by lacing and can be cut to specified lengths.

4. Offset Links: When a continuous length of chain has an odd number of pitches, an offset link (often referred to as half-links) is used. Offset links are available in one-pitch and two-pitch styles. One-pitch offsets are weaker than plain chain and are not recommended in high-impact load, and high-speed applications.

One-Pitch Offset

Two-Pitch Offset

BL – 6x6 Lacing

AL 4x4 Lacing

Common Roller Chain Applications

9. British Standard Chains (BS/DIN) Along with a complete line of ANSI series roller chains, Tsubaki also manufactures a line of British Standard roller chains. These chains are made to the BS 228/DIN8187 specification. These chains are made from the same mate- rials as the standard ANSI chains – perfect for replacement on imported equipment or newly manufactured equipment that will be exported.

Tsubaki manufactures a complete line of roller chains for a wide variety of applications. From very basic drive applications, to conveying applications – Tsubaki has you covered. Roller chains with attachments, chains for harsh environments, applications that require lube-free chains, situations where heavy duty and high shock load capable chains are required, and applications in the most corrosive environments – Tsubaki has a chain to fit that and many more applications.

British Standard Chain

Img 9576Image 8128

Image 8660

10. Lube-Free Chains Tsubaki is the market innovator in lube-free roller chain technology with its Lambda ® and Xceeder ® lube-free chain options. What makes these chains unique is the ability to run without any external lubrication. Lambda ® chains come in two styles: Drive (LAM) and conveyor (L designation). Xceeder ® is made with a felt seal and extra-wide bushing to keep contaminants out and the lubrication in.

Heavy-duty, Multi-Wide Drives

Accumulation Systems

Lube-Free Drive applications

Lambda ®

Xceeder ®

11. Harsh Environment Chains: Not every operating environment is a perfect one for roller chain. From heat to heavy levels of dirt and contamination, a chain like Tsubaki Titan ® is needed. Titan ® provides a harder surface, low friction pin which greatly reduces the wear in the pin and bushing area.

Img 0666

Image 8408

Img7457

Titan ® Chain

Matched Strand Conveyor

Chain drives for outdoor applications

Customized Packing

12. Corrosion Resistant Chains: Tsubaki offers a complete line of roller chains to handle situations where the chain will come into contact with chemicals for washdown or clean-room environments that require more than carbon steel. From the Tsubaki Neptune ® (NEP) and Nickel Plated (NP) chains to a complete line of stock stainless steel – 304 (SS), 600 (AS), 316 (NS) and our new Super Stainless™ product line.

Neptune ®

Nickel Plated

Img 7966

Img 9649

Img 8654

Harsh Environment Drives

Accumulating Conveyor

Multi-Strand Conveying

Stainless Steel

Super Stainless™

No. 25

1 / 4 ” PITCH

ANSI chains from Tsubaki provide the strength, reliability and durability that is required in the toughest environments. With the Tsubaki Performax ™ Bushing in sizes 80-140 – single and multi-wide strands. Tsubaki ANSI chains help reduce downtime and improve reliability while decreasing equipment repair costs. ANSI CHAINS

L 2

L 1

L 2

L 1

Bush dia.

0.250 0.250

0.130 0.130

0.125 0.125

0.030 0.030

0.030 0.040

0.199 0.230

0.230 0.230

0.091 0.091

25H

Transverse Pitch C

ANSI Standard Min. Tensile Strength {lb}

Tsubaki Average Tensile Strength {lb}

Maximum Allowable Load {lb}

Approximate Mass lb/ft

TSUBAKI Chain Number

Number of Strands

Pin Length L1+L2

Dimensions L1

Dimensions L2

Pin Type

25RB

1 2 3 1

0.327 0.579 0.831 0.347

0.150 0.276 0.402 0.158

0.177 0.303 0.429 0.189

780

1,050 2,100 3,150 1,320

140 240 350 170

0.094 0.181 0.282 0.114

25-2RB 25-3RB 25HRB

0.252 0.252

1,560 2,340

Riveted

Notes: 1. “RB” designation indicates 10’ box riveted. Cottered, cut-to-length and reel stock available upon request. 2. Offset links for RS25 are only available in two-pitch offset links. The maximum allowable load is the same as shown in the table above.

3. No offset links are available for BF25H. 4. RS25 and BF25H are bushed chains. *Maximum allowable load when using an M-type connecting link is 80% of the above.

Maximum Speed - Small Sprocket (RPM) 50 100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000

No. of Small Sprocket Teeth

Lubrication System

11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 30 32 35 40 45

0.03 0.03 0.04 0.04 0.04 0.04 0.04 0.05 0.05 0.05 0.05 0.05 0.07 0.07 0.07 0.07 0.08 0.08 0.09 0.09 0.11 0.13

0.05 0.05 0.07 0.07 0.07 0.08 0.08 0.09 0.09 0.09 0.11 0.11 0.12 0.12 0.13 0.13 0.15 0.16 0.16 0.19 0.21 0.24

0.15 0.16 0.17 0.19 0.20 0.21 0.23 0.24 0.25 0.27 0.28 0.30 0.31 0.34 0.35 0.36 0.39 0.42 0.44 0.50 0.58 0.64

0.23 0.24 0.27 0.30 0.31 0.34 0.36 0.38 0.40 0.43 0.46 0.47 0.50 0.52 0.55 0.56 0.62 0.66 0.71 0.78 0.90 1.03

0.31 0.34 0.36 0.39 0.43 0.46 0.48 0.52 0.55 0.58 0.60 0.64 0.67 0.71 0.74 0.76 0.83 0.90 0.97 1.06 1.22 1.39

0.38 0.42 0.46 0.50 0.54 0.58 0.60 0.64 0.68 0.72 0.76 0.80 0.84 0.89 0.93 0.97 1.05 1.13 1.21 1.33 1.53 1.74

0.50 0.54 0.59 0.64 0.68 0.74 0.79 0.84 0.89 0.94 0.99 1.05 1.10 1.14 1.19 1.25 1.35 1.46 1.56 1.72 1.98 2.25

0.60 0.66 0.72 0.78 0.84 0.90 0.97 1.02 1.09 1.15 1.21 1.27 1.34 1.39 1.46 1.53 1.65 1.78 1.90 2.11 2.43 2.76

0.71 0.78 0.84 0.93 0.99 1.06 1.14 1.21 1.29 1.35 1.42 1.50 1.57 1.65 1.72 1.80 1.94 2.09 2.25 2.48 2.86 3.25

0.82 0.90 0.98 1.06 1.14 1.22 1.30 1.39 1.48 1.56 1.64 1.73 1.81 1.89 1.98 2.07 2.24 2.41 2.59 2.84 3.29 3.73

0.95 1.05 1.14 1.23 1.33 1.43 1.53 1.62 1.72 1.82 1.92 2.01 2.12 2.21 2.32 2.41 2.61 2.82 3.02 3.33 3.85 4.37

1.13 1.23 1.34 1.46 1.57 1.69 1.80 1.92 2.02 2.15 2.27 2.37 2.49 2.61 2.72 2.84 3.08 3.33 3.57 3.93 4.53 5.15

1.29 1.42 1.54 1.68 1.81 1.93 2.07 2.20 2.33 2.47 2.60 2.74 2.87 3.00 3.14 3.27 3.54 3.82 4.09 4.51 5.20 5.91

1.38 1.57 1.74 1.89 2.04 2.19 2.33 2.48 2.63 2.78 2.92 3.08 3.23 3.38 3.54 3.69 4.00 4.30 4.61 5.08 5.87 6.66

1.15 1.31 1.49 1.66 1.84 2.02 2.23 2.43 2.63 2.83 3.06 3.27 3.50 3.73 3.93 4.10 4.44 4.79 5.14 5.65 6.53 7.42

0.99 1.13 1.27 1.42 1.57 1.73 1.90 2.07 2.24 2.43 2.60 2.79 2.99 3.18 3.38 3.59 4.01 4.45 4.89 5.61 6.85 8.15

0.86 0.98 1.10 1.23 1.37 1.50 1.65 1.80 1.94 2.11 2.25 2.43 2.59 2.76 2.94 3.11 3.47 3.86 4.25 4.85 5.94 7.08

0.75 0.86 0.97 1.07 1.19 1.31 1.45 1.57 1.70 1.84 1.98 2.12 2.27 2.43 2.57 2.74 3.06 3.38 3.73 4.26 5.22 6.22

0.67 0.76 0.86 0.95 1.06 1.17 1.27 1.39 1.52 1.64 1.76 1.89 2.01 2.15 2.28 2.43 2.71 3.00 3.31 3.78 4.63 5.51

0.59 0.68 0.76 0.86 0.95 1.05 1.14 1.25 1.35 1.46 1.57 1.69 1.80 1.92 2.04 2.17 2.43 2.68 2.96 3.38 4.13 4.93

0.54 0.62 0.70 0.78 0.86 0.94 1.03 1.13 1.22 1.31 1.42 1.52 1.62 1.73 1.84 1.96 2.19 2.43 2.67 3.06 3.73 4.45

0.48 0.55 0.63 0.70 0.78 0.86 0.94 1.02 1.11 1.19 1.29 1.38 1.48 1.57 1.68 1.77 1.98 2.20 2.43 2.78 3.38 4.04

0.44 0.51 0.58 0.64 0.71 0.78 0.86 0.94 1.01 1.09 1.18 1.26 1.34 1.43 1.53 1.62 1.81 2.01 2.21 2.53 3.08 3.69

0.40 0.47 0.52 0.59 0.66 0.72 0.79 0.86 0.93 1.01 1.07 1.15 1.23 1.31 1.39 1.49 1.66 1.84 2.02 2.32 2.83 3.38

0.35 0.40 0.44 0.50 0.55 0.62 0.67 0.74 0.79 0.86 0.93 0.99 1.06 1.13 1.19 1.27 1.42 1.57 1.73 1.98 2.43 2.88

Note: 1. When using one pitch offset links (OL), HP ratings are 80% of the above. Two pitch offset links (2POL) can be used at 100% of the above values. 2. Multiply the value given above by the multiple strand factor (page 251 Table 2) in order to obtain the transmission horsepower of multiple strand chain. 3. For lubrication systems A, B & C, refer to pages 257 & 258 for explanation. Please consult Tsubaki for use of horsepower ratings to the right of the boundary line. 4. Refer to page 251, “Procedures for Selecting Roller Chain.”

No. 37, 38, 41

No. 35

1 / 2 ” PITCH

3 / 8 ” PITCH

L 2

L 1

L 2

L 1

L 2

L 1

Roll dia.

t1 Conn plate

L 1

0.500

0.307

0.134

0.039

0.047

0.386

0.331

0.143

0.500

0.307

0.189

0.043

0.047

0.386

0.331

0.143

0.500

0.306

0.251

0.049

0.386

0.331

0.141

Chain No.

ANSI Standard Min. Tensile Strength {lb}

TSUBAKI Chain Number

Tsubaki Average Tensile Strength

Maximum Allowable Load

Approximate Mass lb/ft

0.375

0.200

0.188

0.050

0.354

0.307

0.141

Number of Strands

L1+L2

43RB

0.433

0.201

0.490

2,116

309

0.19

Number of Strands

Transverse Pitch C

ANSI Standard Min. Tensile Strength {lb}

Maximum Allowable Load

Approximate Mass lb/ft

TSUBAKI Chain Number

Tsubaki Average Tensile Strength

L1+L2

Pin Type

42RB

0.516

0.236

0.555

2,116

309

0.24

1,508

41RB

0.579

0.266

0.594

2,646

507

0.28

35RB

1 2 3

0.500 0.898 1.295

0.230 0.429 0.630

0.270 0.469 0.665

0.531 0.965 1.362

Riveted Riveted Riveted

1,760 3,520 7,590

2,530 5,070 7,600

480 810

0.22 0.46

Notes: 1. “RB” designation indicates 10’ box riveted. Cottered, cut-to-length and reel stock available upon request. 2. Maximum allowable load when using an M-type connecting link is 80% of the above.

35-2RB 35-3RB

0.399

1210

0.70

No. of Small Sprocket Teeth Maximum Speed - Small Sprocket (RPM) - 41 Roller Chain 10 25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 5000 6000 7000 8000 Lubrication System A B C 11 0.04 0.09 0.16 0.31 0.56 0.82 1.06 1.29 1.76 2.20 2.25 1.72 1.35 1.11 0.94 0.74 0.60 0.51 0.43 0.35 0.28 0.20 0.15 0.12 0.09 12 0.04 0.09 0.17 0.34 0.62 0.90 1.17 1.42 1.92 2.41 2.56 1.96 1.56 1.27 1.06 0.84 0.70 0.58 0.50 0.39 0.32 0.23 0.17 0.13 0.11 13 0.04 0.11 0.20 0.36 0.68 0.98 1.27 1.56 2.09 2.63 2.90 2.20 1.74 1.43 1.19 0.95 0.78 0.66 0.56 0.44 0.36 0.25 0.20 0.16 0.13 14 0.05 0.11 0.21 0.39 0.74 1.06 1.37 1.68 2.27 2.84 3.14 2.47 1.96 1.60 1.34 1.06 0.87 0.72 0.62 0.50 0.40 0.30 0.21 0.17 0.15 15 0.05 0.12 0.23 0.43 0.79 1.14 1.48 1.81 2.45 3.07 3.38 2.74 2.17 1.77 1.49 1.18 0.97 0.80 0.70 0.55 0.44 0.32 0.24 0.19 0.16 16 0.05 0.13 0.24 0.46 0.84 1.22 1.58 1.94 2.63 3.29 3.62 3.00 2.39 1.96 1.64 1.30 1.06 0.89 0.76 0.60 0.50 0.35 0.27 0.21 0.17 17 0.07 0.13 0.25 0.48 0.91 1.30 1.69 2.07 2.80 3.51 3.86 3.30 2.61 2.15 1.80 1.42 1.17 0.98 0.83 0.66 0.54 0.39 0.30 0.23 0.19 18 0.07 0.15 0.28 0.52 0.97 1.39 1.80 2.20 2.98 3.74 4.10 3.59 2.84 2.33 1.96 1.56 1.27 1.06 0.91 0.72 0.59 0.42 0.32 0.25 - 19 0.07 0.16 0.30 0.55 1.02 1.48 1.90 2.33 3.16 3.96 4.36 3.89 3.08 2.53 2.12 1.68 1.38 1.15 0.98 0.78 0.64 0.46 0.35 0.28 - 20 0.07 0.16 0.31 0.58 1.09 1.56 2.02 2.47 3.34 4.18 4.60 4.20 3.34 2.74 2.29 1.81 1.49 1.25 1.06 0.84 0.70 0.50 0.38 0.30 - 21 0.08 0.17 0.32 0.62 1.14 1.64 2.13 2.60 3.53 4.41 4.85 4.52 3.59 2.94 2.47 1.96 1.60 1.34 1.14 0.91 0.74 0.54 0.40 0.32 - 22 0.08 0.19 0.35 0.64 1.19 1.73 2.24 2.74 3.70 4.64 5.11 4.85 3.85 3.15 2.64 2.09 1.72 1.43 1.22 0.98 0.79 0.58 0.43 0.35 - 23 0.08 0.19 0.36 0.67 1.26 1.81 2.35 2.87 3.89 4.87 5.35 5.19 4.12 3.37 2.82 2.24 1.84 1.54 1.31 1.05 0.86 0.60 0.47 0.36 - 24 0.09 0.20 0.38 0.71 1.31 1.89 2.45 3.00 4.06 5.10 5.61 5.53 4.39 3.59 3.00 2.39 1.96 1.64 1.39 1.11 0.91 0.64 0.50 0.39 - 25 0.09 0.21 0.39 0.74 1.38 1.98 2.57 3.14 4.25 5.32 5.86 5.87 4.67 3.82 3.19 2.53 2.08 1.74 1.49 1.18 0.97 0.70 0.52 - - 26 0.09 0.21 0.42 0.76 1.43 2.07 2.68 3.27 4.44 5.57 6.12 6.24 4.95 4.05 3.39 2.70 2.20 1.85 1.58 1.25 1.02 0.74 0.56 - - 28 0.11 0.24 0.44 0.83 1.56 2.24 2.90 3.55 4.80 6.02 6.62 6.96 5.53 4.52 3.80 3.00 2.47 2.07 1.76 1.39 1.14 0.82 0.62 - - 30 0.11 0.25 0.48 0.90 1.68 2.41 3.12 3.82 5.18 6.49 7.13 7.72 6.13 5.02 4.20 3.34 2.74 2.29 1.96 1.56 1.27 0.91 0.70 - - 32 0.12 0.28 0.51 0.97 1.80 2.59 3.35 4.10 5.55 6.96 7.64 8.50 6.75 5.53 4.63 3.67 3.00 2.52 2.15 1.70 1.39 1.01 - - - 35 0.13 0.31 0.56 1.06 1.98 2.86 3.69 4.52 6.12 7.67 8.42 9.74 7.72 6.32 5.30 4.20 3.45 2.88 2.47 1.96 1.60 1.14 - - - 40 0.16 0.35 0.66 1.22 2.29 3.30 4.26 5.22 7.07 8.85 9.74 11.47 9.44 7.72 6.48 5.14 4.20 3.53 3.00 2.39 1.96 1.39 - - - 45 0.17 0.40 0.75 1.39 2.60 3.74 4.84 5.93 8.02 10.06 11.05 13.02 11.25 9.21 7.72 6.13 5.02 4.20 3.59 2.84 2.33 - - - - Note:

3. No offset links are available for BF25H. 4. RS25 and BF25H are bushed chains. *Maximum allowable load when using an M-type connecting link is 80% of the above.

Maximum Speed - Small Sprocket (RPM)

No. Of Small Sprocket Teet h

50 100 300 500 700 900 1200 1500 1800 2100 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000 Lubrication System A B C 11 0.16 0.30 0.78 1.23 1.66 2.09 2.71 3.31 3.90 4.48 3.86 2.94 2.33 1.90 1.60 1.37 1.18 1.03 0.93 0.82 0.74 0.67 0.62 0.56 0.48 12 0.17 0.32 0.86 1.35 1.84 2.29 2.98 3.63 4.29 4.92 4.40 3.35 2.66 2.17 1.82 1.56 1.35 1.18 1.05 0.94 0.84 0.76 0.70 0.64 0.55 13 0.19 0.35 0.94 1.48 2.00 2.51 3.25 3.97 4.68 5.38 4.96 3.78 2.99 2.45 2.05 1.76 1.52 1.34 1.18 1.06 0.95 0.87 0.79 0.72 0.62 14 0.20 0.38 1.01 1.60 2.16 2.71 3.51 4.30 5.07 5.82 5.55 4.22 3.35 2.74 2.29 1.96 1.70 1.49 1.33 1.18 1.07 0.97 0.89 0.82 0.70 15 0.21 0.40 1.09 1.73 2.33 2.92 3.80 4.63 5.46 6.28 6.16 4.68 3.71 3.04 2.55 2.17 1.89 1.65 1.46 1.31 1.18 1.07 0.98 0.90 0.76 16 0.23 0.43 1.17 1.85 2.51 3.14 4.06 4.96 5.85 6.72 6.77 5.16 4.09 3.35 2.80 2.40 2.08 1.82 1.62 1.45 1.30 1.18 1.09 0.99 0.84 17 0.25 0.47 1.25 1.97 2.67 3.35 4.33 5.30 6.25 7.17 7.43 5.65 4.48 3.67 3.07 2.63 2.28 2.00 1.77 1.58 1.43 1.30 1.18 1.09 0.93 18 0.27 0.50 1.33 2.09 2.84 3.57 4.61 5.65 6.65 7.63 8.09 6.16 4.88 4.00 3.35 2.86 2.48 2.17 1.93 1.73 1.56 1.41 1.29 1.18 1.01 19 0.28 0.52 1.41 2.23 3.02 3.78 4.89 5.98 7.04 8.10 8.77 6.68 5.30 4.33 3.63 3.10 2.68 2.36 2.09 1.88 1.69 1.53 1.39 1.29 1.10 20 0.30 0.55 1.49 2.35 3.18 4.00 5.18 6.32 7.44 8.56 9.47 7.20 5.71 4.68 3.93 3.35 2.90 2.55 2.27 2.02 1.82 1.65 1.52 1.38 1.18 21 0.31 0.58 1.57 2.48 3.35 4.21 5.44 6.66 7.84 9.01 10.2 7.75 6.16 5.04 4.22 3.61 3.12 2.74 2.43 2.17 1.96 1.78 1.62 1.49 1.27 22 0.32 0.62 1.65 2.60 3.53 4.43 5.73 7.00 8.26 9.48 10.9 8.31 6.60 5.40 4.52 3.86 3.35 2.94 2.60 2.33 2.11 1.90 1.74 1.60 1.37 23 0.35 0.64 1.73 2.74 3.70 4.64 6.01 7.35 8.66 9.95 11.6 8.89 7.05 5.77 4.84 4.13 3.58 3.14 2.79 2.49 2.25 2.04 1.86 1.72 1.46 24 0.36 0.67 1.81 2.86 3.88 4.85 6.29 7.70 9.07 10.4 12.2 9.47 7.52 6.16 5.16 4.40 3.82 3.35 2.96 2.66 2.40 2.17 1.98 1.82 1.56 25 0.38 0.70 1.89 2.99 4.05 5.08 6.58 8.05 9.48 10.9 12.7 10.1 7.99 6.54 5.48 4.68 4.06 3.57 3.15 2.83 2.55 2.31 2.11 1.94 1.65 26 0.39 0.74 1.97 3.12 4.22 5.30 6.87 8.39 9.88 11.4 13.3 10.7 8.48 6.93 5.82 4.96 4.30 3.78 3.35 2.99 2.71 2.45 2.24 2.05 1.76 28 0.43 0.79 2.13 3.38 4.57 5.74 7.43 9.09 10.7 12.3 14.3 11.9 9.47 7.75 6.50 5.55 4.81 4.22 3.74 3.35 3.02 2.74 2.51 2.29 1.96 30 0.46 0.86 2.31 3.65 4.93 6.18 8.01 9.79 11.5 13.3 15.6 13.2 10.5 8.60 7.20 6.16 5.34 4.68 4.16 3.71 3.35 3.04 2.78 2.55 2.17 32 0.50 0.91 2.47 3.90 5.28 6.62 8.58 10.5 12.4 14.2 16.6 14.6 11.6 9.47 7.94 6.77 5.87 5.16 4.57 4.09 3.69 3.35 3.06 2.80 - 35 0.54 1.01 2.72 4.30 5.82 7.31 9.47 11.6 13.7 15.7 18.4 16.6 13.2 10.8 9.08 7.75 6.72 5.90 5.23 4.68 4.22 3.84 3.50 3.21 - 40 0.63 1.17 3.14 4.98 6.73 8.44 10.9 13.4 15.7 18.1 21.2 20.4 16.2 13.2 11.1 9.47 8.21 7.20 6.40 5.71 5.16 4.68 - - - 45 0.71 1.33 3.57 5.65 7.64 9.57 12.4 15.2 17.8 20.5 24.0 24.3 19.3 15.8 13.2 11.3 9.80 8.60 7.63 6.83 - - - - - Note:

1. When using one pitch offset links (OL), HP ratings are 80% of the above. Two pitch offset links (2POL) can be used at 100% of the above values. 2. Multiply the value given above by the multiple strand factor (page 251 Table 2) in order to obtain the transmission horsepower of multiple strand chain. 3. For lubrication systems A, B & C, refer to pages 257 & 258 for explanation. Please consult Tsubaki for use of horsepower ratings to the right of the boundary line. 4. Refer to page 251, “Procedures for Selecting Roller Chain.”

No. 40

No. 50

1 / 2 ” PITCH

5 / 8 ” PITCH

L 2

L 1

L 2

L 1

Roll dia.

0.625

0.400

0.375

0.080

0.591

0.512

0.200

0.500

0.312

0.060

0.472

0.409

0.156

Transverse Pitch C

ANSI Standard Min. Tensile Strength {lb}

Tsubaki Average Tensile Strength

Maximum Allowable Load

Approximate Mass lb/ft

Transverse Pitch C

ANSI Standard Min. Tensile Strength {lb}

Tsubaki Aver- age Tensile Strength

Maximum Allowable Load

Approxi- mate Mass lb/ft

TSUBAKI Chain Number

Number of Strands

TSUBAKI Chain Number

Number of Strands

L1+L2

Pin Type

L1+L2

Pin Type

50RB

1 2 3 4 5 6

0.874 1.594 2.307 3.020 3.732 4.449

0.406 0.762 1.118 1.474 1.831 2.189

0.469 0.833 1.189 1.545 1.902 2.260

0.890 1.646 2.358 3.075 3.787 4.504

Riveted Riveted Riveted Riveted Riveted Riveted

4,880 9,760

7,050

1,430 2,430 3,580 4,730 5,590 6,590

0.70 1.39 2.08 2.76 3.45 4.14

40RB

0.717

0.325

0.392

0.717

Riveted

3,125

4,290

810

0.43

50-2RB 50-3RB 50-4RB 50-5RB 50-6RB

14,100 21,150 28,200 35,250 42,300

40-2RB

1.283

0.608

0.675

1.319

Riveted

6,250

8,580

1370

0.85

14,640

0.713

40-3RB

1.843

0.892

0.951

1.886

Riveted

9,376

12,870

2020

1.28

0.566

40-4RB

2.409

1.177

1.232

2.453

Riveted

12,500

17,160

2670

1.7

40-5RB

2.980

1.461

1.520

3.024

Riveted

15,625

21,450

3150

2.12

Note: 1. “RB” designation indicates 10’ box riveted. Cottered, cut-to-length and reel stock available upon request. 2. Maximum allowable load when using a one-pitch offset link (OL) is 65% of the above. 3. Maximum allowable load when using a two-pitch offset link (2POL) is 100% of the above.

40-6RB

3.547

1.744

1.803

3.591

Riveted

18,750

25,740

3720

2.55

No. of Small Sprocket Teeth Maximum Speed - Small Sprocket (RPM) 10 25 50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 5000 6000 7000 8000 Lubrication System A B C 11 0.16 0.38 0.71 1.33 2.48 3.58 4.64 5.66 7.67 9.62 10.6 10.3 8.14 6.65 5.58 4.43 3.62 3.04 2.59 2.07 1.68 1.41 1.21 1.05 0.93 12 0.19 0.42 0.78 1.46 2.72 3.93 5.10 6.22 8.42 10.6 11.6 11.7 9.27 7.59 6.36 5.04 4.13 3.46 2.95 2.35 1.92 1.61 1.37 1.19 1.05 13 0.20 0.46 0.86 1.60 2.98 4.28 5.55 6.79 9.19 11.5 12.7 13.2 10.4 8.56 7.16 5.70 4.65 3.90 3.33 2.64 2.16 1.81 1.56 1.34 - 14 0.21 0.50 0.93 1.73 3.22 4.64 6.01 7.35 9.95 12.5 13.7 14.8 11.7 9.56 8.02 6.36 5.20 4.36 3.73 2.95 2.43 2.02 1.73 1.50 - 15 0.23 0.54 0.99 1.86 3.47 5.00 6.48 7.93 10.7 13.4 14.8 16.4 13.0 10.6 8.89 7.05 5.77 4.83 4.13 3.27 2.68 2.25 1.92 1.66 - 16 0.25 0.58 1.07 2.00 3.73 5.36 6.95 8.49 11.5 14.3 15.8 18.0 14.3 11.7 9.79 7.76 6.36 5.32 4.55 3.61 2.95 2.47 2.11 1.84 - 17 0.27 0.62 1.14 2.13 3.97 5.73 7.42 9.07 12.3 15.4 16.9 19.7 15.7 12.8 10.7 8.50 6.96 5.83 4.99 3.96 3.23 2.71 2.31 2.01 - 18 0.28 0.66 1.22 2.27 4.22 6.09 7.89 9.64 13.0 16.4 18.0 21.2 17.0 13.9 11.7 9.27 7.59 6.36 5.42 4.30 3.53 2.95 2.52 - - 19 0.31 0.68 1.29 2.40 4.48 6.45 8.37 10.2 13.8 17.3 19.0 22.5 18.5 15.2 12.7 10.0 8.22 6.89 5.89 4.67 3.82 3.21 2.74 - - 20 0.32 0.72 1.35 2.53 4.73 6.83 8.84 10.8 14.6 18.4 20.1 23.7 20.0 16.4 13.7 10.8 8.89 7.44 6.36 5.04 4.13 3.46 2.95 - - 21 0.34 0.76 1.43 2.68 4.99 7.19 9.32 11.4 15.4 19.3 21.2 25.1 21.5 17.6 14.8 11.7 9.57 8.02 6.84 5.42 4.44 3.73 3.18 - - 22 0.35 0.80 1.50 2.82 5.24 7.56 9.80 12.0 16.2 20.4 22.4 26.3 23.1 18.8 15.8 12.5 10.2 8.60 7.34 5.82 4.76 4.00 3.41 - - 23 0.38 0.84 1.58 2.95 5.51 7.94 10.3 12.6 17.0 21.3 23.5 27.6 24.7 20.1 16.9 13.4 11.0 9.19 7.84 6.22 5.10 4.28 - - - 24 0.39 0.89 1.66 3.08 5.77 8.30 10.8 13.2 17.8 22.4 24.5 29.0 26.3 21.5 18.0 14.3 11.7 9.79 8.35 6.64 5.42 4.55 - - - 25 0.40 0.93 1.73 3.23 6.02 8.68 11.3 13.8 18.6 23.3 25.6 30.2 27.9 22.8 19.2 15.2 12.4 10.4 8.89 7.05 5.77 4.83 - - - 26 0.43 0.97 1.81 3.37 6.29 9.05 11.7 14.3 19.4 24.4 26.8 31.5 29.6 24.3 20.2 16.1 13.2 11.0 9.43 7.47 6.13 5.14 - - - 28 0.46 1.05 1.96 3.65 6.81 9.82 12.7 15.6 21.1 26.4 29.0 34.2 33.1 27.0 22.7 18.0 14.8 12.3 10.5 8.35 6.84 5.74 - - - 30 0.50 1.13 2.11 3.93 7.34 10.6 13.7 16.8 22.7 28.4 31.2 36.7 36.7 30.0 25.1 19.8 16.4 13.7 11.7 9.27 7.59 - - - - 32 0.54 1.21 2.27 4.21 7.87 11.3 14.6 18.0 24.3 30.4 33.5 39.4 40.4 33.3 27.8 22.0 18.0 15.2 12.9 10.2 8.35 - - - - 35 0.59 1.33 2.49 4.64 8.66 12.5 16.2 19.7 26.8 33.5 36.9 43.4 46.3 38.1 31.6 25.1 20.7 17.2 14.8 11.7 9.56 - - - - 40 0.67 1.54 2.87 5.36 10.0 14.5 18.6 22.8 31.0 38.8 42.6 50.3 56.5 46.4 38.8 30.7 25.1 21.1 18.0 14.3 - - - - - 45 0.76 1.74 3.27 6.09 11.4 16.4 21.2 25.9 35.1 44.0 48.4 57.0 65.6 55.1 46.1 36.6 30.0 25.1 21.5 - - - - - - Note:

Maximum Speed - Small Sprocket (RPM)

No. of Small Sprocket Teeth

50 100 200 300 400 500 700 900 1000 1200 1400 1600 1800 2100 2400 2700 3000 3500 4000 5000 6000 7000 8000 Lubrication System A B C

11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 28 30 32 35 40 45

0.08 0.09 0.09 0.11 0.11 0.12 0.13 0.13 0.15 0.16 0.16 0.17 0.17 0.19 0.20 0.20 0.23 0.24 0.25 0.28 0.32 0.38

0.19 0.20 0.23 0.24 0.25 0.28 0.30 0.31 0.34 0.35 0.38 0.39 0.42 0.43 0.44 0.47 0.51 0.55 0.59 0.64 0.75 0.84

0.35 0.38 0.42 0.44 0.48 0.52 0.55 0.59 0.62 0.66 0.70 0.72 0.76 0.80 0.83 0.87 0.95 1.02 1.09 1.21 1.39 1.58

0.64 0.71 0.76 0.83 0.90 0.97 1.03 1.10 1.17 1.23 1.29 1.35 1.42 1.49 1.56 1.62 1.77 1.90 2.04 2.24 2.59 2.95

1.21 1.31 1.43 1.56 1.68 1.80 1.92 2.04 2.17 2.29 2.41 2.53 2.67 2.79 2.91 3.04 3.30 3.55 3.81 4.20 4.84 5.50

1.73 1.90 2.07 2.24 2.41 2.59 2.76 2.95 3.12 3.30 3.47 3.66 3.84 4.02 4.20 4.39 4.75 5.11 5.48 6.03 6.97 7.93

2.24 2.47 2.68 2.91 3.14 3.35 3.58 3.81 4.05 4.28 4.51 4.73 4.98 5.20 5.44 5.67 6.14 6.62 7.09 7.82 9.04 10.3

2.74 3.00 3.29 3.55 3.84 4.10 4.39 4.67 4.95 5.23 5.51 5.79 6.07 6.36 6.65 6.93 7.51 8.10 8.68 9.56 11.1 12.5

3.70 4.08 4.44 4.81 5.19 5.55 5.93 6.32 6.69 7.07 7.46 7.84 8.22 8.61 9.00 9.39 10.2 11.0 11.7 12.9 14.9 17.0

4.65 5.11 5.57 6.03 6.50 6.97 7.44 7.91 8.39 8.86 9.35 9.83 10.3 10.8 11.3 11.8 12.8 13.7 14.8 16.2 18.8 21.3

5.11 5.62 6.13 6.64 7.15 7.66 8.18 8.70 9.23 9.75 10.3 10.8 11.3 11.9 12.4 12.9 14.1 15.2 16.2 17.8 20.7 23.5

6.02 6.61 7.21 7.82 8.42 9.03 9.64 10.2 10.9 11.5 12.1 12.7 13.4 13.9 14.6 15.3 16.5 17.8 19.0 21.1 24.3 27.6

6.81 7.60 8.29 8.97 9.67 10.4 11.1 11.8 12.5 13.2 13.9 14.6 15.3 16.1 16.8 17.6 19.0 20.4 21.9 24.1 27.9 31.6

5.58 6.36 7.16 8.01 8.88 9.79 10.7 11.7 12.7 13.7 14.8 15.8 16.9 18.0 18.9 19.7 21.5 23.1 24.7 27.2 31.5 35.7

4.67 5.31 5.99 6.71 7.43 8.18 8.97 9.76 10.5 11.1 12.4 13.2 14.1 15.0 16.0 17.0 19.0 21.1 23.2 26.6 32.5 38.6

3.70 4.22 4.76 5.31 5.89 6.49 7.11 7.75 8.41 9.08 9.76 10.5 11.2 11.9 12.7 13.5 15.0 16.8 18.4 21.1 25.7 30.6

3.03 3.45 3.89 4.36 4.83 5.31 5.82 6.34 6.88 7.43 7.99 8.57 9.16 9.76 10.4 11.0 12.3 13.5 15.0 17.2 21.1 25.1

2.55 2.90 3.26 3.65 4.04 4.45 4.88 5.31 5.77 6.22 6.71 7.19 7.68 8.18 8.70 9.24 10.3 11.4 12.6 14.3 17.6 21.1

2.15 2.47 2.79 3.11 3.45 3.81 4.17 4.55 4.92 5.31 5.73 6.13 6.56 7.00 7.43 7.89 8.81 9.76 10.8 12.3 15.0 18.0

1.72 1.96 2.21 2.47 2.74 3.02 3.31 3.61 3.92 4.22 4.55 4.87 5.20 5.54 5.89 6.25 7.00 7.75 8.54 9.76 11.9 14.2

1.41 1.60 1.81 2.02 2.24 2.47 2.71 2.96 3.21 3.45 3.71 3.98 4.26 4.55 4.83 5.12 5.73 6.34 7.00 7.99 9.76 11.7

1.01 1.14 1.29 1.45 1.60 1.77 1.94 2.11 2.29 2.47 2.66 2.86 3.06 3.25 3.45 3.66 4.09 4.55 5.00 5.73 7.00

0.76 0.87 0.98 1.10 1.22 1.34 1.48 1.60 1.74 1.88 2.02 2.17 2.32 2.47 2.63 2.76 3.11 3.45

0.62 0.68 0.78 0.87 0.97 1.07 1.17 1.27 1.38 1.49 1.60 1.72 1.84 1.96

0.50 0.58 0.64 0.71 0.79 0.87 0.97

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