Round Shaft Technology
Linear Bearings & Shafting
Configure Online at pbclinear.com 1-800-962-8979
Contents
I Inch Series
M ISO Metric Series
J JIS Metric Series
Applications 16
9
Ball Bearings – Overview 31
Plain Bearings – Performance Benefits
7
Plain Bearings – Ordering Information 18
Ball Bearings – Ordering Information 33
Product Overview – Plain & Ball Bearing
INCH SERIES I
Linear Ball Bearings – Precision Plus Self-Aligning
Simplicity ® Linear Plain Bearings I
Linear Precision Ball Bearings I
I
Open FLN
Closed IP
Adjustable IPxx-AJ
Open IPxx-OP
Closed IPS
Open IPSxx-OP
Closed FL
20
34
35
Linear Ball Bearings – Double Wide I
Simplicity Pillow Blocks I
Simplicity Pillow Blocks – Twin I
Open PN
Closed PW
Open PWN
Closed P
IP-W
40
22
23
Linear Ball Bearing Pillow Blocks I
Linear Ball Bearing Pillow Blocks – Twin I
Simplicity Flange Mounts I
Open IPPN
Open IPPWN
Closed IPP
Closed IPPW
Single SFP
Double DFP
36
37
24
with Lubrication Port IPPS
with Lubrication Port IPPSW
34
35
Die Set Bushings I
Die Set Flange Mounts I
PS With Flange PSF Simplicity Sleeve Bearings I 26
Single SDS
Double DDS
PAC
25
28
I Inch Series
M ISO Metric Series
J JIS Metric Series
Roller Pillow Block Bearings I
Shaft & Rail Systems I
Support Rail Systems I
Single
Double
Twin
45
46
47
50
51
I
Support Rails & Assemblies I
I
Simplicity ® 60 Plus ® Shafting
Square Shafting, Bearings & Plugs
RC60 Steel Stainless Steel NIL & NILxxSS
Predrilled Shafts Ceramic Coated CC & CCPDL
Aluminum SR & SRxxPD
Aluminum SRA Ceramic Coated CCR
Square Shafting PST
Square Bearings SB
53
54
56
57
61
ISO METRIC SERIES M
Simplicity Linear Plain Bearings M
M
Linear Precision Ball Bearings M
Linear Ball Bearings – Precision Plus Self-Aligning
Open FMN
Closed EP
Adjustable EPxx-AJ
Open EPxx-OP
Closed FM
66
79
Closed EPS
Open EPSxx-OP
78
Simplicity Pillow Blocks M
Closed EPPM Open EPPMN Linear Ball Bearing Pillow Blocks M 81
Linear Ball Bearings – Double Wide M
Closed PM
Open PMN
EP-W
80
70
71
Thin Wall Plain Bearings
Thin Wall Ball Bearings
Simplicity Flange Bearings – Single M
Simplicity Flange Bearings – Double M
M
M
Square Flange SFPM
Round Flange SFPMR
Square Flange DFPM
Round Flange DFPMR
KHP
FG & FMT
72
73
88
68
pbclinear.com • Engineering Your Linear Motion Solutions 1
Contents
I Inch Series
M ISO Metric Series
J JIS Metric Series
M
Linear Ball Bearings – Single M
Linear Ball Bearings – Double M
Simplicity Flange Bearings – Center Flange
Square Flange EPK
Round Flange EPF
Square Flange EPK-W
Round Flange EPF-W
82
83
84
85
Square Flange CFPM
Round Flange CFPMR
74
Die Set Bushings M
Square Flange EPKC Round Flange EPFC Linear Ball Bearings – Center Flange M 86 87
Simplicity Sleeve Bearings M
With Flange PSFM
PACM
PSM
75
76
77
Simplicity ® 60 Plus ® Shafting M
Support Rails & Assemblies M
Roller Pillow Block Bearings M
Double
Twin
RC60 Steel Stainless Steel NIM & NIMxxSS
Predrilled Shafts Ceramic Coated CCM & CCMDL
Aluminum SRA Ceramic Coated CCR
Aluminum SR & SRxxPD
Single
89
89
89
91
92
93
J
JIS METRIC SERIES
Closed FJ Open FJN Simplicity Linear Plain Bearings J 95
Closed JP Open JPxx-OP Linear Precision Ball Bearings J Adjustable JPxx-AJ 99
Linear Ball Bearings – Double Wide J
JP-W
101
2 Round Shaft Technology • pbclinear.com
I Inch Series
M ISO Metric Series
J JIS Metric Series
Simplicity Flange Bearings – Double J
J
Simplicity Flange Bearings – Single J
Simplicity Flange Bearings – Center Flange
Square Flange DFPJ
Round Flange DFPJR
Square Flange SFPJ
Round Flange SFPJR
98
97
Square Flange CFPJ
Round Flange CFPJR
99
J
Linear Ball Bearings – Double J
Square Flange JPKC Round Flange JPFC Linear Ball Bearings – Center Flange J 106 107
Linear Ball Bearings – Single
Square Flange JPK
Round Flange JPF
Square Flange JPK-W
Round Flange JPF-W
102
103
104
105
Ordering information found on product pages
INCH SERIES PLAIN BEARING & BALL BEARING LINEAR SLIDES
Simplicity Linear Slides I
Simplicity Linear Slides I
Simplicity Linear Slides I
Plate Supported RPS
Ball Screw Driven 2RPS
Low Profile LRPS
Low Profile 2LRPS
Self Centering SC2RPS
RS
112
114
118
120
122
124
Simplicity Linear Slides I
Simplicity Linear Slides I
Hand Crank 2HCR
Hand Wheel 2HWL
NEMA Drive Kit 2Nxx
126
128
Email an Application Engineer
130
Simplicity Linear Plain Bearings P138 - Ratings for Plain Bearings P139 - Types & Effects of Lubrication P140 - Load Capacity P141 - Wear Rate P142 - Coefficient of Friction TECHNICAL INFORMATION
P153 - Rating Life P155 - Clearance & Mounting Roller Pillow Block Bearings P157 - Load & Sizing P158 - Adjustments & Curves P159 - Cross Reference Guide
P143 - Cantilevered Loads P145 - Shaft Deflection P147 - Installation P151 - Chemical Reaction Chart Linear Ball Bearings P152 - Load Ratings
pbclinear.com • Engineering Your Linear Motion Solutions 3
Check Out PBC Linear Configurators Shafting • Roller Pillow Block • Support Rail Assembly
The PBC Linear configuration tools allow you to customize and configure linear components to exact specifications.
• Simple steps to configure and select product offerings • Custom CAD file delivered in minutes • Custom quote generated quickly and easily
• Visit pbclinear.com/tools/configure-quote and start designing!
4 Round Shaft Technology • pbclinear.com
Linear Shafting Engineered for Maximum Linear Bearing Performance
Linear Ball Bearings The right amount of microscopic surface texture holds lubrication for consistent smooth ball rotation minimizing the effects of metal-to-metal contact. • Excellent Rigidity : providing smooth, quiet operation • Extremely Low Friction : rolling elements provide consistent anti-friction movement • Outer Shell : Available with steel jacket or self-aligning super bearing shell
Simplicity Plain Bearings The Frelon ® break-in and transfer process operates at maximum efficiency with Simplicity 60 Plus Shafting resulting in true self-lubrication and the longest life possible. • Self-Lubricating : maintenance-free, additional lubrication optional • Wide Temperature Ranges : (-400°F/+400°F), (-240°C/+204°C) • Vibration Damping : eliminates fretting corrosion
Only certified Simplicity 60 Plus Shafting provides maximum bearing performance.
Inch Series–page 52 Metric Series–page 90
pbclinear.com • Engineering Your Linear Motion Solutions 5
I Inch Series
M ISO Metric Series J JIS Metric Series
Product Selection Guide
Available In:
Found On Page
Product Type & Description
I
M J
Open Closed Wide
Plain
I M J I M J
Materials: aluminum alloy, stainless steel
• •
20 66 95
Self lubricating bearing with patented compound of PTFE developed for improved performance over other bearings. Standard sizes in stock.
Ball
Materials: steel and polymer
• • •
34 78 100
Each ball bearing consists of an outer cylinder, ball retainer, balls, and double seals.
Thin Wall
Materials: aluminum alloy housing anodized or steel with polymer retainer
•
88
M
Both plain and ball bearing versions of European metric sizes.
Sleeve & Sleeve with Flange
Materials: aluminum alloy housing
•
I M
26 76
Replaces Oilite, bronze, and plastic bearings. Ideal for slow or moderate speeds for oscillating or rotary motion.
Roller Pillow Blocks
Materials: aluminum and coated steel rollers
•
I M
45 89
Well suited for high loads and high speeds. Excels in contaminated eviornments and under high temperatures.
Open & Closed Pillow Blocks
Materials: aluminum alloy housing with clear anodized coating
• • •
I M
22 70
Available with either plain or ball bearings. Self aligning for ease of mounting. Standard sizes in stock.
Materials: aluminum alloy housing with clear anodized coating and inner plain bearing
Flange Mount
•
•
24
I
Ease of mounting. Compact design.
Materials: aluminum alloy housing with clear anodized coating or steel with polymer retainer
Flange Bearing
• •
M J
72 97
Both plain and ball bearing available. Ease of mounting. Compact design.
Materials: aluminum housing with black anodized coating and inner plain bearing
Die Set Flange Bushings
• •
I M
25 75
Mounting precision. Size interchangeable with industry standard die sets.
Round Shafting
Materials: ceramic coated aluminum, hardened steel, 440 stainless steel
I M
52 91
Cut to length, random lengths, machined, pre-drilled, or tapped. Shaft assemblies and support rails also available. Materials: alloy steel, 440 stainless steel, ceramic coated, or chrome plated 303 SST shafts, aluminum support rails, standard Simplicity pillowblocks Plain bearing and ball bearing slide assemblies. Standard components include mounting plate, pillow block assemblies, steel shafts, and support rails. Options include shaft materials, lead screws, ball screws, hand cranks, and motors.
Linear Slide Assemblies
109
I
Materials: aluminum alloy housing with red anodized coating and stainless steel square shafting Resists torque and eliminates extra costly components in parallel shafts.
Square Bearings & Shafting
•
61
I
6 Round Shaft Technology • pbclinear.com
Simplicity ® Plain Bearing Product Overview
Linear Plain and Ball Bearings
0%
100%
Plain Bearing Only
Good engineering principles dictate that the best bearing design be utilized for any given bearing application. Each type of bearing has advantages and disadvantages. Strengths or limitations can make it a clear choice depending on the application environment. At other times, an engineer will have a choice because multiple types of bearings can meet the need. In 1983, PBC Linear ® created the self-lubricating Simplicity linear bearing – a technology that solves problems in dirt, vibration, shock loading, cleanrooms, welding, foundry, and washdown situations where linear ball bearings regularly fail. Today, PBC Linear provides a full range of linear motion solutions for both plain bearing and ball bearing applications – giving engineers the versatility to choose the right bearing for the application. Chart to the right here is intended to help guide in that decision making process.
Plain or Ball
Ball Bearing Only
100%
0%
Ball Bearing Better performance for moment loading Balls provide precise, low-friction performance – but are susceptible to contamination
Simplicity Plain Bearing Fines embed in Frelon ® liner
eliminating shaft damage Wiping action cleans shaft
Frelon liner is self lubricating Additional lubrication is optional
Bearing Type
Load
Moment Loads
Linear Speed
Coefficient Of Friction
Precision
Environment
Plain
Limited due to 2:1 ratio
Up to 300 sfm (1.524 m/sec) dry running Up to 825 sfm (4.19 m/sec) with lubrication
FrelonGOLD ® = 0.125 Consistent over life and in a variety of environments
Excels in contaminated, wet, dry, and clean room applications
Precision running clearance = 0.0005" (0.0127 mm) per side
Up to 20x ball bearings
Link to 2:1 Ratio
Ball
Average = 0.05 Can change dramatically dependent on environmental conditions
Moderate to good High moment loads can cause increased wear and shorten bearing life
Can be preloaded, virtually eliminating play This can shorten life
Up to 3 m/sec (590 sfm) Always requires lubrication
Will corrode and fail in contamination
Limited due to point-to-point contact of balls to shaft
pbclinear.com • Engineering Your Linear Motion Solutions 7
Performance Benefits Simplicity ® Plain Bearings
• The Frelon liner is bonded to the bearing shell at the molecular level, which transfers the load and dissipates heat buildup throughout the bearing • Will not rust or corrode due to anodized aluminum or 316 stainless steel shell • Patented self-aligning capabilities are standard • Provides both linear, oscillating, rotary, or any combination of motions • Maintenance free operation • Smooth and quiet operation – plus long life • Highly accurate – all critical surfaces are ground on precision bearing grinders • Will not catastrophically fail or damage shaft Frelon ® + Precision Bearing Technology = Simplicity Frelon Bearing Liner Materials The Frelon liners are compounds of PTFE and fillers developed for improved performance over other bearings. They provide low wear, low friction, self-lubrication, and high strength.
FrelonGOLD ®
Frelon ® J
Frelon ® W
STANDARD
• FrelonGOLD ® – dark gold high performance material compatible with RC60 hardened steel shafting, RC70 ceramic coated, and 440 stainless steel shafting. • Frelon J – yellow material formulated to provide the optimum performance with 300 series stainless steel and softer shafting such as bare aluminum. • Frelon W – white color, food-grade liner, FDA compliant, compatible with stainless steel and softer metal shafting. • PBC Linear's unique bonding process facilitates the ability to provide solutions for applications with a range of additional bearing liner materials. Contact PBC Linear to discuss your specific application.
PTFE Features: • Self-lubricating (runs without added lubricant) • Embeddability of hard particulate • Wide temperature range
(-400°F to +400°F) (-240°C to +204°C) • Chemically inert • Vibration damping (no metal-to-metal contact) Filler Benefits: • High load capacity • High strength • Low wear rate vs. other materials
Frelon ®
Email an Application Engineer
Simplicity 60 Plus ® Shafting The PBC Linear development team, working in close conjunction with engineers from Lee Linear ® , have together formulated a linear shaft designed specifically for optimal bearing performance – Simplicity 60 Plus Shafting . Advanced process capabilities maintain the ideal surface finish resulting in the longest life and highest performing shaft-to-bearing combination. Don’t be misled–all shafting is not alike! Don’t settle for below average performance. The smoothest shafting is NOT always the best for all situations. In most applications, smoother does not equal better; in fact, it means decreased performance and shortened life. A shaft surface finish of 8-12 Ra is the optimal smoothness for linear plain and ball bearings. Simplicity 60 Plus Shafting provides maximum linear bearing performance and the following features: • Optimized shaft surface finish for plain bearings • Customizable length and machined features via the configurator with no minimum quantities • Faster Made in the USA
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
8 Round Shaft Technology • pbclinear.com
Plain Bearings Simplicity ®
Running Clearance Simplicity bearings are available with two classes of running clearance: PRECISION–“FL”: • Performs like a preloaded ball bearing • Tightest running clearance approximately 0.001" (0.025 mm) • Used in applications that require high precision
RUNNING CLEARANCE
Standard “FL” Performs like a preloaded linear ball bearing 0.0005" per side clearance average (0.0127 mm)
Shaft
Not recommended for all parallel shaft applications Any misalignment can cause binding on the shaft. Recommend: Compensated–“FLC” (see below).
COMPENSATED–“FLC”: • Performs like a standard ball bearing • Additional clearance built into the I.D.–all other dimensions are the same as the precision bearings • Ideally suited for parallel shaft applications Note: Many parallel shaft applications will run “FL” precision on one rail and “FLC” compensation on the opposite rail to accommodate slight misalignments. Bearing Shell Simplicity bearings are available in a variety of configurations to help meet specific application needs: • Standard is aluminum alloy with anodized finish • 316 stainless steel (no plating) MATERIALS: Aluminum Alloy – Is a heat treated and artificially aged aluminum with good strength and corrosion resistance. 316 Stainless Steel – Has an excellent corrosion resistance and is widely used by the paper, food, and other industries. FINISHES: Standard Anodized – A sulfuric bath anodizing with a nickel acetate seal that will stand up to 14 days exposure in a 5% salt spray solution at 96°F. It is applied at a 0.0002” thickness.
Compensated “FLC” Performs like a standard linear ball bearing 0.0015" + per side clearance average (0.0381 + mm)
Shaft
Standard Anodize 0.0002" Thick
Standard
JIS Metric Series
Inch Series
Link to the Simplicity Video
Optional
More Information about Simplicity's Chemical Resistance
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
ISO Metric Series
316 Stainless Steel
pbclinear.com • Engineering Your Linear Motion Solutions 9
Plain Bearings Simplicity ®
Self-Alignment Feature Simplicity bearings are available with a standard straight O.D. or a crowned self-aligning O.D. FL – (Standard): • Straight O.D. • Standard pillow blocks have the self-aligning capability designed into the block using standard “FL” bearings for the final assembly FLA – (Self-aligning O.D.): • Has a crown on the O.D. allowing the bearing to re-align itself in binding situations • Specifically designed to easily retrofit straight bore housings • The bearing will allow 1/2° of misalignment capability from centerline (1° overall) • O-rings can be used on either side of the crown to cushion and eliminate clatter in operation (sold separately)
Standard FL – Straight O.D. Note: Standard pillow blocks use FL bearings with self-alignment built into the I.D. of the block.
Self-Aligning FLA – Spherical O.D. Note: Use in straight bore housings.
1/2°
Pillow Blocks • Made of aluminum alloy • Pillow blocks are interchangeable with industry standard ball bearing pillow blocks • Critical centerline dimensions hold accuracy within ±0.001" on inch sizes and ±0.015 mm on metric sizes FINISHES:
1/2°
• Clear anodized finish (Standard) Standard pillow blocks have built-in self-alignment in all directions: • Standard pillow blocks have 1/2° misalignment from centerline • This feature is built into the housing with a spherical radius at the midpoint of the block • This self-aligning capability will allow for some shaft deflection and misalignment Rigid or straight bore housings are available: • This does not allow for any self-alignment and provides a very rigid assembly • They are typically used in single shaft applications
±
.001"
±
.015 mm
SIMPLICITY = TIGHTER TOLERANCES
±
.003"
INDUSTRY STANDARD
LOAD
Open Bearings Orientation Simplicity bearings can operate in any orientation. Load capacities will vary on open bearings depending on the orientation in which they are being used.
LOAD
100% Capacity
70% Capacity
40% Capacity
10 Round Shaft Technology • pbclinear.com
Plain Bearings Simplicity ®
Load Capacity of Liner Simplicity bearings can carry from 4 to 20 times the load of a linear ball bearing.
5000#
5000#
5000# 5000#
1000#
Bearing Material
Static Load Capacity
FrelonGOLD ®
3000 psi or 210.9 kgf/cm 2 1500 psi or 105.45 kgf/cm 2
Frelon ® J / Frelon ® W
LINEAR BALL BEARING (1 x LOAD)
SIMPLICITY (20 x LOAD)
• Allows the engineer to maintain performance in a smaller designed package Example: Simplicity 1/2" I.D. = 1" I.D. linear ball bearing • Shock loads and vibration are absorbed • Metal–to–metal contact is eliminated providing a smoother, quieter running assembly
Speed Characteristics Exceeding these speeds causes frictional heat and accelerates liner wear.
No Lube Continuous Motion
No Lube Intermittent Motion
Bearing Material
With Lubrication*
300 sfm
825 sfm
825 sfm
FrelonGOLD ®
60 in/sec.
165 in./sec. 4.19 m/sec.
165 in./sec. 4.19 m/sec.
1.524 m/sec.
140 sfm
400 sfm
400 sfm
Frelon ® J / Frelon ® W
28 in./sec.
80 in./sec. 2.03 m/sec.
80 in./sec. 2.03 m/sec.
0.711 m/sec.
*Depending on the lubrication used, loads, and frequency of continuous or intermittent motion, speeds can be in excess of the numbers shown.
Performance Ratings (for Linear Motion) Plain bearings are rated by their limiting PV, which is a combination of load over a given surface area and the velocity.
Bearing Material
MAX. “V” (No Lubrication) 300 sfm or 91.44 m/min. 140 sfm or 42.66 m/min.
MAX. “PV”
MAX. “P”
3000 psi or 210.9 kgf/cm 2 1500 psi or 105.45 kgf/cm 2
20000 (psi) x ft./min.) or 430 (kgf/cm 2 x m/min.) 10000 (psi x ft./min.) or 215 (kgf/cm 2 x m/min.)
FrelonGOLD ®
PV CHART (Dry Running)
SPEED (m/min.)
3.04 6.09 9.14 12.19 15.24 18.29 21.34 24.38 27.43 30.48 33.53 36.58 39.62
Frelon ® J / Frelon ® W
50 100 150 200 250 300 350 400
10.55 14.06 17.58 21.09 24.61 28.12
PV = The performance measurement of plain bearings PV = P x V where P = pressure (load) in psi (kgf/cm 2 ) V = velocity (speed) in sfm (m/min.) Note: All three parameters must be met by an application for the bearing to perform properly.
Frelon GOLD
3.52 7.03
Frelon J / Frelon W
0 0 10 20 30 40 50 60 70 80 90 100 110 120 130
SPEED (ft/min.)
pbclinear.com • Engineering Your Linear Motion Solutions 11
Plain Bearings Simplicity ®
Wear Rate/Life Expectancy The life expectancy of a Simplicity bearing is dependent on application parameters: • Shaft hardness, surface finish, and preparation • Length of travel • Temperature • Contamination • Running clearance • Lubrication • Speed The Radial Wear chart gives a guideline for a typical application at 10 psi (.703 kgf/cm 2 ) traveling at 100 ft./min. (30.48 m/min.).
RADIAL WEAR Meters of Travel (100,000)
635
1,270
1,905
2,540
3,175
.0025
.0635
TEST DATA: Operating conditions of 10 psi (.703 kgf/cm 2 ) 100 ft/min (30.48 m/min), 3/4" RC60 shafting
.0020
.0508
.0015
.0381
.0010
.0254
FrelonGOLD® Running Dry
.0005
.0127
0
25
50
75
125
100
Millions of Inches of Travel
Factors Affecting Wear Rate/Life Shafting requirements for Frelon ® bearing materials include: BEST PERFORMANCE:
• Finish of 8–12 Ra • Hardness of RC 60 ACCEPTABLE PERFORMANCE:
• Finish of 8–16 Ra • Hardness of RC 35 • Surface finish requirements apply to all Frelon bearing materials • Rougher shafting can be used, but both bearing and shafting will
>16 Ra or .40 µm
= 8-16 Ra or .20-.40 µm
< 8 Ra or .20 µm
wear at accelerated rates and binding may occur Note: Consult factory if using chrome plated shafting that is polished to < 8 Ra.
Cantilevered Loads • Maximum 2:1 ratio
2X MAX
• 1x = bearing separation on same shaft • 2x = distance from shaft to load or force Example: If 2x equals 10" then 1x must be at least 5"
Load or Force
1X
Binding will occur if the 2:1 ratio is exceeded.
2:1 Ratio Information
12 Round Shaft Technology • pbclinear.com
Plain Bearings Simplicity ®
Transfer Process of Liner to Shaft The interaction of the Frelon ® material and the shafting creates a natural, microscopic transfer of the Frelon to the running surface. A thin film is deposited on the shaft, and the valleys in the surface finish are filled in with Frelon material during the initial break-in period. This transfer creates the self-lubricating condition of Frelon riding on Frelon. This break-in period varies depending on several criteria: 1. Preparation of the shafting prior to installation – it is best to clean the shafting with a 3-in-1 type oil before installing the bearings. This ensures that the surface will receive a full transfer of material. 2. Speed, load, and length of stroke specific to the application – typically the initial transfer process will take approximately 50-100 strokes of continuous operation. The running clearance on the bearing will increase an average of 0.0002" to 0.0005", depending on the length of the stroke and surface requiring the transfer. 3. How often the shafting is cleaned – if the shafting is cleaned regularly, increased wear will be seen in the bearings. This is due to the transfer process being performed over and over again.
FrelonTransfer Process
Before
After
Shaft
Shaft
At break-in, Frelon deposits a microscopic film on the shaft and fills the valleys in the surface finish creating a Frelon-on-Frelon running condition that is true self-lubrication.
Do not repeatedly clean the shafting with alcohol. This will remove the previously transferred material entirely and increase the wear to the bearing liner. Do not use smooth chrome shafting with Frelon bearings. The surface finish is less than 8 Ra and does not maintain proper transfer of Frelon material. This will result in accelerated wear.
RECOMMENDED LUBRICATION • Waylube Oil • Light Weight Oils • Petroleum Based Grease • 3-in-1 oils
Lubrication • Reduce friction up to 50% • Minimize wear of liner • Reduce heat buildup allowing greater speeds Actual speeds achieved are dependent on type of lubricant and frequency of application • Aid in cleaning the shafting for a proper transfer process A minimum of initial lubrication of Simplicity bearings is strongly recommended Chemical Resistance Simplicity bearings stand up to harsh environments and provide excellent performance in a submerged condition. FrelonGOLD ® – the fillers in the material can be attacked by deionized water and other harsh chemicals Frelon J – almost universal chemical inertness: Only molten sodium and flourine at elevated temperatures and pressures show any signs of attack Frelon W – A white colored food-grade liner that is FDA compliant Anodized Aluminum Shell (Standard) – good chemical resistance in most industrial applications 316 Stainless Steel Shell (Optional) – excellent chemical and corrosion resistance in harsh environments
NOT RECOMMENDED • WD-40 • PTFE Sprays • Fluorocarbons • Silicon Oils, Grease or Spray WD40® is a registered trademark of the WD40 company
More Information about Simplicity's Chemical Resistance
pbclinear.com • Engineering Your Linear Motion Solutions 13
Plain Bearings Simplicity ®
Temperature Simplicity bearings can operate in a wide range of temperatures (-400°F to +400°F) (-240°C to +204°C). Depending on the materials housed in the pillow block and the size of bearing • Maintains the same performance characteristics • The thin liner allows heat to dissipate through the bearing shell Thermal Expansion The standard bearing I.D. options are designed for use in most industrial applications. For temperatures below 0°F, the standard I.D. is recommended (FL series). For extreme high temperatures, the Compensated I.D. bearing is recommended (FLC) for the increased running clearance.
Temperature Extremes
Min
Max
+400°F +204°C
-400°F -240°C
Use FL
Use FLC
It is always best to inspect actual size at extreme . temperatures to ensure proper running clearance.
Maximum Rotary Speeds
Standard “FL” Max = 40 sfm
Rotary Applications Simplicity bearings will operate very well in rotary applications if applied properly. Stationary rotary applications do not allow the heat to be spread over an extended area. It is retained in the I.D. of the bearing limiting speed and load. • MAX rotary speed (No lube/continuous motion) • 40 sfm (12.2 m/min.) for standard precision I.D. clearances • 140 sfm (42.6 m/min.) for compensated I.D. clearances V(sfm) = 0.262 x d x RPM d = shaft diameter (inches) RPM = revolutions per minute • Properly maintained lubrication can increase these speeds dramatically
(12.2 m/min.) 0.0005" per side clearance average (0.0127 mm)
Shaft
Compensated “FLC” Max = 140 sfm (42.6 m/min.) 0.0015" + per side clearance average (0.0381 + mm)
Shaft
It is always best to do specific testing for rotary applications above these limits where lubrication is to be used.
Submerged Applications Simplicity bearings will provide excellent performance in a submerged condition. The bearings will employ the fluid as a lubricant showing increased velocities and wear life. Oils and non-salt water are especially effective. Note: Please contact factory before specifying FrelonGOLD for submerged applications.
Vacuums/Outgassing/Cleanrooms Due to self-lubrication, low outgassing, and a minimum of particulate (buildup), Simplicity bearings are excellent in clean rooms and vacuums. Testing has been done on the Frelon ® materials in accordance with ASTM E-595-90 with acceptable maximums of 1.00% TML and 0.10% CVCM. MATERIAL %TML %CVCM FrelonGOLD ® 0.00 0.00 Frelon J 0.18 0.01 TML = Total Mass Loss CVCM = Collected Volatile Condensable Materials
14 Round Shaft Technology • pbclinear.com
Plain Bearings Simplicity ®
0-Rings Used in standard pillow blocks and with self-aligning bearings. Nitrile Buna 70 (standard) – A good general purpose rubber that is used in 98% of applications (-65°F to 275°F (-54°C to 135°C)). Viton (special – designate with “V”) – Used only in high temperature applications up to 400°F (up to 204°C). Seals Use only in the most contaminated environments. Polymod ® (standard) – A high performance polymer modified material that reduces friction of a standard buna material by 50% and increases wear life. Polymod is a registered trademark of Polymod Technologies, Inc. Temperature : -20°F to +212°F Urethane (special - designate with “U”) – A moly-impregnated urethane scraper that is only for the severest applications - friction is greatly increased! Temperature : -40 to +200°F Viton ™ (special - designate with “V”) – A brand of synthetic rubber and fluoropolymer elastomer used only in high temperature applications. Temperature : Up to +400°F
Attention: 90% of applications do not require seals when using Simplicity bearings. The liner has a natural ability to wipe particles from the shafting. Any particulate (metal, sand, etc.) that does enter the bearing will embed itself into the soft liner not scoring the shafting or locking mechanical parts. When ordering a bearing with any internal features (seals or internal lubrication), the bearing may or may not be shipped with extra internal grooves in addition to those needed for the ordered option. Low volume orders are more likely to have additional grooves. The extra grooves will not negatively impact the performance of the bearing. Also, internal grooves are typically an anodized surface; however, in the interest of the quickest possible delivery, the internal grooves may not be anodized. Bearing Alignment Linear ball bearings will continue to operate in a misaligned condition, but can cause damage to the shafting and catastrophically fail. Simplicity bearings DO NOT tolerate misalignment. They simply stop moving without any damage to the shafting. Self-aligning housings aid in misalignment – up to 1/2° from centerline. Note: Please refer to the tables in the installation section for possible solutions to misalignment.
Lubrication System Order with “JKM” modifier
Lubrication system includes: Felt wick – Retains oil lubricants (remove when using grease lubrication). Wicks are glued in place on open bearings while they just sit in place on closed bearings. Zerk fitting – Installed into pillow block, other housing, or directly into die sets PAC, PACM. (Standard lube fitting with ¼-28 thread)
Misalignment Considerations–page 150
ZERK FITTING IN HOUSING
pbclinear.com • Engineering Your Linear Motion Solutions 15
Applications
LAB EQUIPMENT: This blood analyzer utilizes Simplicity ® plain bearings because they are self-lubricating and do not require additional grease, which can cause contamination.
PRINTING: Commercial printers, 3D printers, laser printers, and deskjets all require smooth, precise, and quiet linear motion, which Simplic- ity linear plain bearings provide.
THERMOFORMING: Simplicity linear plain bear- ings operate in a wide range of temperatures, which is required when molding heated plastic sheeting in thermoforming machines.
ADDITIVE MANUFACTURING: 3D printers require smooth, repeatable linear motion, which is achieved with Frelon ® -lined linear plain bearings.
16 Round Shaft Technology • pbclinear.com
STONE SAWS & HEAVY DUTY CUTTERS: Simplicity ® linear plain bearings are self lubricating and excel in dirty or contaminated environments such as saws and cutters.
SEAT ADJUSTMENT & SHOCK AB- SORPTION: Not all applications are easily accessible for maintenance or repair, including tough military vehicle seating. This is one reason Simplicity plain bearings, with Frelon ® self- lubricating liner, is the best choice. Simplicity provides long-lasting linear motion that will not catastrophically fail.
ASSEMBLY & INSPECTION STATIONS: Round Shaft Technology utilizes precision round shafting as a guideway and combines linear plain or ball bearings for movement – providing a low maintenance solution in assembly stations.
WELDING MACHINES: Simplic- ity linear bearings handle loads over 700 kN (157,000 lb.) and have a high temperature range (up to 204°C). As required in welding applications, they require low maintenance in contaminated environments.
pbclinear.com • Engineering Your Linear Motion Solutions 17
I Inch Series
M ISO Metric Series
J JIS Metric Series
Ordering Information Plain Bearings
Plain Bearings
O.D. Features No Entry - Standard straight O.D. bearing A - Crowned “self-aligning” O.D. bearing (closed only) Available only on FL, FM, FJ series
Series FL - Standard Inch Series FLR - Supergroove Interchange
Series P - Sta PW - I PM - I
Configure Online
Available only with FL06, 08, 12, 16
FM - ISO Metric Series FMT - Compact ISO Metric Thin Wall Series FG - “FAG TM ” Thin Wall Interchange FJ - JIS Standard Series
SFP - DFP - SDSZ DDSZ
I.D. Features No Entry - Standard precision running clearance on the I.D. C - Compensated running clearance on the I.D. Does NOT apply to PS, PSF, PSM, PSFM
PACZ - PACMZ SFPM DFPM CFPM SFPJ - DFPJ - CFPJ -
PS - Inch Series Sleeve Bearings PSF - Inch Series Flange Bearings
Closed or Open Style No Entry - Standard closed bearing N - Open series bearing (not available in FLA, FMA, and FJA) Available only on FL, FM, FJ series
PSM - ISO Metric Series Sleeve Bearings PSFM - ISO Metric Series Flange Bearings
Bearing Shell Material Available ONLY on the FL, FM, FMT, FG, FJ series No Entry - Standard aluminum alloy *S - 316 Stainless Steel *Made to order. No finish plating or anodize available.
Notes: S in M b
Nominal Shaft Diameter English units in 16ths of an inch Metric units in mm
FLA CNS16 D EJKMQ –
Seal Options D - Double seals of standard Polymod ® material
DU - Double seals of moly impregnated urethane material DV - Double seals of viton - high temperature material D, DU, and DV seals available with FL08-FL32 DU seals available with FM20-FM80, FJ20-FJ120
Seal O D - Dou DU - D DV - D PAC an S - Sin SU - Si SV - Si
Bearing Liner Material No Entry - Standard Frelon GOLD ® liner for
hardened steel, ceramic coated, and 440 stainless steel shafting
*E - Frelon J ® liner for soft shafting (aluminum, 300 series stainless steel, etc.) * Limited availability may require special quote W - Food grade liner (contact PBC Linear before ordering)
Internal Lubrication No Entry - Standard bearing - No lube system JKM - Thru hole, and internal felt wick to help lubrication retention and flow. JKM available with FL08-FL64, FM12-FM80, FJ20-FJ150
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
Special Modifications No Entry - Standard Options Q - Shipped Oil Free
(contact PBC Linear before ordering)
The data and specifications in this publication have been carefully compiled and are believed to be accurate and correct. However, it is the responsibility of the user to determine and ensure the suitability of PBC Linear® products for a specific application. PBC Linear’s only obligation will be to repair or replace without charge, any defective components if returned promptly. No liability is assumed beyond such replacement. Specifications are subject to change without notice. Consult www. pbclinear.com for the latest technical updates.
18 Round Shaft Technology • pbclinear.com
Ordering Information Plain Bearings
Plain Bearings With Housings
Closed or Open Style No Entry - Standard Closed Series N - Open Series Available only on P, PW, PM series
Series P - Standard Inch Pillow Blocks (FL) PW - Inch Twin Pillow Blocks (FL) PM - ISO Metric Pillow Blocks (FM) SFP - Inch Single Flange Mounts (FL) DFP - Inch Double Flange Mounts (FL) SDSZ - Single Flange Mount Die Set (FLA) DDSZ - Double Flange Mount Die Set (FLA) PACZ - Inch Die Set Bearings PACMZ - ISO Metric Die Set Bearings SFPM - ISO Metric Single Flange Bearings DFPM - ISO Metric Double Flange Bearings CFPM - ISO Metric Double Center Flange Bearings SFPJ - JIS Metric Single Flange Bearings DFPJ - JIS Metric Double Flange Bearings CFPJ - JIS Metric Double Center Flange Bearings Note: Standard Simplicity ® bearings
Configure Online
Housing I.D. Features No Entry - Standard spherical “self-aligning” I.D. in the housing. (Uses standard straight O.D. bearings.) B - Straight I.D. housing. (For rigid fit use standard bearing. For self-alignment use FLA bearings.) Available only on P, PW, PM, SFP, DFP, SDS, DDS series No Entry - Standard Square Flange R - Round Flange Available only on SFPM, DFPM, CFPM, SFPJ, DFPJ, CFPJ series
Housings Only No Entry - Housings with bearing included E - Empty Housings with NO bearing included Material
are installed in housings. Metric flange bearings do not have bearing inserts
Z - Aluminum, Available only on PAC/PACM Diesets Note: Steel no longer offered S - SST Pillow Blocks (use FLA BRG, PB, Retainer)
Nominal Shaft Diameter English units in 16ths of an inch Metric units in mm
P N B E
16 C D E JKM Q –
Bearing I.D. Features No Entry - Standard Precision running clearance on the I.D. C - Compensated running clearance on the I.D.
Seal Options D - Double seals of standard Polymod ® material DU - Double seals of moly impregnated urethane material DV - Double seals of viton - high temperature material PAC and PACM available only as: S - Single seals of standard Polymod ® material SU - Single seals of moly impregnated urethane material SV - Single seals of viton - high temperature material
Bearing Liner Material No Entry - Standard Frelon GOLD ® liner for hardened steel or ceramic coated aluminum *E - Special Frelon J ® liner for soft shafting (aluminum, 300 series stainless steel, etc.) * Limited availability may require special quote W - Food grade liner (contact PBC Linear before ordering)
Internal Lubrication No Entry - Standard pillowblock assembly with no lubrication system JKM - Thru holes and internal felt wick to help lubrication retention and flow 1/4-28 Zerk Note: Zerk fitting installed into pillow block, other housing, or directly into die sets PAC & PACM.
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
Special Modifications No Entry - Standard Options Q - Shipped Oil Free
(contact PBC Linear before ordering)
This catalog and part numbering system is designed to represent all possibilities which may not be standard parts. These are options only–combinations could lead to unavailable parts. Contact PBC Linear at 800-962-8979 for information.
pbclinear.com • Engineering Your Linear Motion Solutions 19
Simplicity ® Linear Plain Bearings
*Self Aligning O.D. (FLA-XX)
Standard O.D. (FL-XX)
K
JA
HA
B2 B
A
JB
HB
H FLR Supergrooves (FL06, 08, 12, 16) H2
J
C
H3
C
*Except for the O.D., bearings with the self-aligning feature have the same dimensions and tolerances as the standard bearing. There is a spherical crown on the O.D. to create the self-aligning feature. They are for use in a straight bore housing. Add an “A” to the part number for self-aligning bearings.
DIMENSIONAL INFORMATION Precision I.D. Series Similar to Preloaded Ball Bearing
Compensated I.D. Series Allows additional Running Clearance
K FLR Ret. Ring Grv.
b2
B Standard O.D.
Nominal Size
C Length
Con- centric
Bearing Weight
A Bearing I.D.
A Bearing I.D.
Self-Aligning FLA Crown O.D.
Part No.
Part No.
Closed Open MIN. lb. FL 03 N/A 0.1877 0.1884 FLC 03 N/A 0.1897 0.1904 3/16 0.3740 0.3750 0.3725 0.3735 0.5470 0.5620 0.0010 0.0030 N/A FL 04 FLN 04 0.2502 0.2511 FLC 04 FLCN 04 0.2522 0.2531 1/4 0.4990 0.5000 0.4975 0.4985 0.7350 0.7500 0.0010 0.0090 N/A FL 06 FLN 06 0.3752 0.3761 FLC 06 FLCN 06 0.3772 0.3781 3/8 0.6240 0.6250 0.6225 0.6235 0.8600 0.8750 0.0010 0.0160 0.0720 FL 08 FLN 08 0.5002 0.5013 FLC 08 FLCN 08 0.5022 0.5033 1/2 0.8740 0.8750 0.8725 0.8735 1.2350 1.2500 0.0010 0.0410 0.0800 FL 10 FLN 10 0.6252 0.6263 FLC 10 FLCN 10 0.6272 0.6283 5/8 1.1240 1.1250 1.1225 1.1235 1.4850 1.5000 0.0010 0.0910 N/A FL 12 FLN 12 0.7503 0.7516 FLC 12 FLCN 12 0.7533 0.7546 3/4 1.2490 1.2500 1.2475 1.2485 1.6100 1.6250 0.0010 0.1090 0.1710 FL 16 FLN 16 1.0003 1.0016 FLC 16 FLCN 16 1.0033 1.0046 1 1.5613 1.5625 1.5599 1.5609 2.2350 2.2500 0.0010 0.2280 0.1330 FL 20 FLN 20 1.2504 1.2519 FLC 20 FLCN 20 1.2544 1.2559 1-1/4 1.9988 2.0000 1.9974 1.9984 2.6100 2.6250 0.0010 0.4590 N/A FL 24 FLN 24 1.5004 1.5019 FLC 24 FLCN 24 1.5044 1.5059 1-1/2 2.3738 2.3750 2.3724 2.3734 2.9850 3.0000 0.0010 0.7250 N/A FL 32 FLN 32 2.0004 2.0022 FLC 32 FLCN 32 2.0054 2.0072 2 2.9986 3.0000 2.9973 2.9983 3.9850 4.0000 0.0010 1.4420 N/A FL 40 FLN 40 2.5004 2.5022 FLC 40 FLCN 40 2.5054 2.5072 2-1/2 3.7484 3.7500 3.7472 3.7482 4.9850 5.0000 0.0013 2.8160 N/A FL 48 FLN 48 3.0004 3.0022 FLC 48 FLCN 48 3.0064 3.0082 3 4.4980 4.5000 4.4970 4.4980 5.9850 6.0000 0.0015 4.9140 N/A FL 64 FLN 64 4.0005 4.0026 FLC 64 FLCN 64 4.0065 4.0086 4 5.9980 6.0000 5.9970 5.9980 7.9850 8.0000 0.0020 11.8360 N/A MOUNTING DIMENSIONS MAX. closed open MIN. MAX. in. MIN. MAX. MIN. MAX. MIN. MAX. MAX.
H
HA
HB
J
JA
JB
H2
H3
Nominal Size
Part No.
Truarc Ret. Ring Part No. N 5100-37
Parker O’Ring Part No.
O’Ring Grv. Width
FLR Between Rings
FLR Ring Edge
Between Ret. Rings
Ret. Ring Grv. Width
Ret. Ring Grv. Dia.
Between O’Ring Grvs.
O’Ring Grv. Dia.
Closed FL 03 FL 04 FL 06 FL 08 FL 10 FL 12 FL 16 FL 20 FL 24 FL 32 FL 40 FL 48 FL 64
Open
in.
N/A
3/16
0.375 0.437 0.562 0.875 1.000 1.062 1.625 1.875 2.250 3.000 3.750 4.500 6.000
0.030 0.041 0.041 0.048 0.058 0.058 0.070 0.070 0.089 0.105 0.123 0.123 0.145
0.352 0.467 0.587 0.820
N/A
N/A
N/A
N/A
N/A N/A
N/A N/A
FLN 04 FLN 06 FLN 08 FLN 10 FLN 12 FLN 16 FLN 20 FLN 24 FLN 32 FLN 40 FLN 48 FLN 64
1/4 3/8 1/2 5/8 3/4
N 5100-50 0.125 N 5100-62 0.187 N 5100-87 0.250
0.080 0.080 0.125 0.125 0.125 0.125 0.125 0.162 0.189 0.250 0.287 0.287
0.399 0.524 0.712 0.962 1.087 1.399 1.837 2.152 2.775 3.408 4.158 5.660
2-010
2-012 0.711/0.701 0.112 2-113 1.042/1.032 0.135
1.060 N 5100-112 0.312 1.177 N 5100-125 0.312 1.471 N 5100-156 0.500 1.889 N 5100-200 0.625 2.241 N 5100-237 0.750 2.839 N 5100-300 1.000 3.553 N 5100-375 1.250 4.309 N 5100-450 1.500 5.748 N 5100-600 2.000
2-117
N/A
N/A
2-119 1.281/1.271 0.220 2-123 1.895/1.885 0.239
1
1-1/4 1-1/2
2-129 2-225 2-229 2-340 2-346 2-356
N/A N/A N/A N/A N/A N/A
N/A N/A N/A N/A N/A N/A
2
2-1/2
3 4
Note: FLR is only available on FL06, FL08, FL12 and FL16.
20 Round Shaft Technology • pbclinear.com
Simplicity ® Linear Plain Bearings
Linear Plain Bearings FL & FLN
FLN 04 - FLN 06 FLN 04 - FLN 06 E D
FLN 08 FLN 08
E D
1/8"
F
F
G
G
FLN 10
FLN 12 THRU FLN 64 FLN 12 THRU FLN 64 E D
FLN 10
E D
F
F
15°
G
G
OPEN DIMENSIONAL INFORMATION
LOAD & SPEED DATA
G Retaining Hole Locate
MAX. Static Load lb. Frelon
Effective Surface Area
D Slot Wide MIN.
F Retaining Hole Dia.
Nominal Size
Bearing Weight
E Slot Angle
Part No.
Part No.
SQ. in. 0.110 0.200 0.340 0.650 0.980 1.270 2.350 3.430 4.700 8.350 13.000 18.800 33.500
GOLD
J & W
Precision Compensated in.
in.
lb.
FL 03 FL 04 FL 06 FL 08 FL 10 FL 12 FL 16 FL 20 FL 24 FL 32 FL40 FL 48 FL 64
220 600
100 300 510 975
FLN 04 FLCN 04 FLN 06 FLCN 06 FLN 08 FLCN 08 FLN 10 FLCN 10 FLN 12 FLCN 12 FLN 16 FLCN 16
1/4 3/8 1/2 5/8 3/4
0.188 60° 0.250 60° 0.313 60° 0.375 60° 0.438 60° 0.563 60°
0.094 0.094 0.136 0.136 0.136 0.136 0.201 0.201 0.265 0.265 0.265 0.265
3/8
0.008 0.013 0.034 0.072 0.091 0.184 0.381 0.603 1.192 2.334 4.080 9.870
7/16
1020 1950 2940 3810 7050
5/8 1/8 1/8 1/8
1470 1905 3525 5415 7050
1
FLN 20 FLCN 20 1-1/4 0.625 60° FLN 24 FLCN 24 1-1/2 0.750 60°
3/16 3/16 5/16 5/16 5/16 5/16
10830 14100 25050 39000 56400
FLN 32 FLCN 32
2
1.000 60°
12525 19500 28200 50250
FLN 40 FLCN 40 2-1/2 1.250 60°
FLN 48 FLCN 48 FLN 64 FLCN 64
3 4
1.500 60° 2.000 60°
100500
Note: All other dimensions same as closed bearing. FrelonGOLD ® and Frelon ® J are registered trademarks of PBC Linear ® .
Note: MAX PV (ft./min. * psi)
FrelonGOLD = 20000 PV Frelon J = 10000 PV MAX Speed Running Dry (ft./min.) FrelonGOLD = 300 sfm Frelon J = 140 sfm MAX Speed Running with Lubrication (ft./min.) FrelonGOLD = 825 sfm Frelon J = 400 sfm
Plain Bearing Accessories: Retaining Rings, Seals, O-Rings–page 19
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
pbclinear.com • Engineering Your Linear Motion Solutions 21
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