PROVIDES VITAL MACHINERY WITH TOP-NOTCH SAFETY
Tsubaki’s user-friendly, cost-effective Torque Limiter Sprockets come pre-assembled and provide maximum protection to critical equipment from torque overloading.
• Uses two composite friction disks compressed by disk springs against the ground face of the hardened tooth sprocket. • Functions as an automatic safety device to prevent overload, providing reliable operations and adjustable functions. • Automatically resetting. • Torque setting easily set by tightening the adjusting nut. • Available in various sizes and tooth counts.
Hardened Tooth Sprocket
Hub
When overload is removed, the unit will automatically reset. AUTOMATIC RESET
Bushing
Composite Material Friction Disks
Spring Plate
Adjusting Nut
Disk Spring
PART-NUMBERING
60 TTA 30 - 50 - 2
Sprocket Pitch
Torque Limiter
Sprocket Tooth Count
Torque Limiter Size
Spring Count
Spring Count
Size
Bore Range
Sprocket Pitch
Min Tooth Count
Max Tooth Count
Size
Spring Count
Min Torque Setting (lbs-ft)
Max Torque Setting (lbs-ft)
35
20
30
0.47" - 0.88" (12 - 22 mm) 0.39” - 0.55” (10 - 14 mm)
20
1 2 1 2 1 2 1 2 1 2
2.1 5.1
7.25 14.8
40 40 50 40 50 60 80 50 60 80 60 80
16 20 17 26 21 18 15 29 25 19 33 26 21
26 32 28 45 36 30 21 50 40 30 54 42 35
20
25
5
20 40 55
25
10 15 25 35 65 86
35 0.71” - 1.00” (18 - 25 mm)
35
110 155 310 420 797
50
50 0.86” - 1.65” (22 - 42 mm)
70
164
70 1.26” - 2.52” (32 - 64 mm)
100
ADDITIONAL OPTIONS
TORQUE LIMITER COUPLINGS
PATENTED SMART TOOTH ® WEAR INDICATOR SPROCKETS
HIGH TORQUE SETTING TORQUE LIMITERS
BALL DETENT STYLE SHOCK GUARDS
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ustsubaki.com
EXAMPLES OF COMMON PART NUMBERS
TTA20
TTA 25
TTA 35
TTA 50
TTA 70
35TTA20-20-1 35TTA20-20-2 35TTA24-20-1 35TTA24-20-2 35TTA28-20-1 35TTA28-20-2 40TTA16-20-1 40TTA16-20-2 40TTA17-20-1 40TTA17-20-2 40TTA18-20-1 40TTA18-20-2 40TTA20-20-1 40TTA20-20-2 40TTA21-20-1 40TTA21-20-2 40TTA22-20-1 40TTA22-20-2
35TTA25-25-1 35TTA25-25-2 35TTA26-25-1 35TTA26-25-2 40TTA20-25-1 40TTA20-25-2 40TTA22-25-1 40TTA22-25-2 40TTA24-25-1 40TTA24-25-2 40TTA28-25-1 40TTA28-25-2 40TTA30-25-1 40TTA30-25-2 50TTA17-25-1 50TTA17-25-2 50TTA21-25-1 50TTA21-25-2 50TTA22-25-1 50TTA22-25-2
35TTA35-35-1 35TTA35-35-2 35TTA40-35-1 35TTA40-35-2 40TTA28-35-1 40TTA28-35-2 40TTA30-35-1 40TTA30-35-2 40TTA32-35-1 40TTA32-35-2 50TTA22-35-1 50TTA22-35-2 50TTA24-35-1 50TTA24-35-2 50TTA25-35-1 50TTA25-35-2 50TTA26-35-1 50TTA26-35-2 60TTA18-35-1 60TTA18-35-2 60TTA20-35-1 60TTA20-35-2
40TTA35-50-1 40TTA35-50-2 50TTA30-50-1 50TTA30-50-2 50TTA32-50-1 50TTA32-50-2 60TTA25-50-1 60TTA25-50-2 60TTA26-50-1 60TTA26-50-2 60TTA28-50-1 60TTA28-50-2 60TTA30-50-1 60TTA30-50-2 80TTA20-50-1 80TTA20-50-2 80TTA22-50-1 80TTA22-50-2 80TTA24-50-1 80TTA24-50-2
60TTA36-70-1 60TTA36-70-2 80TTA26-70-1 80TTA26-70-2 80TTA28-70-1 80TTA28-70-2 80TTA30-70-1 80TTA30-70-2 80TTA36-70-1 80TTA36-70-2 100TTA22-70-1 100TTA22-70-2 100TTA24-70-1 100TTA24-70-2
Corporate Headquarters U.S. Tsubak Power Transmission, LLC 301 E. Marquardt Drive U.S. Tsubaki Power Transmission, LLC
Sprocket Manufacturing Mississauga, Ontario Tel: (800) 323-7790 1630 Drew Road Mississauga, Ontario Tel: (800) 323-7790
Roller Chain Division 821 Main Street Holyoke, MA 01040 Tel: (800) 323-7790 Tel: (800) 323-7790 Roller Chain Divison
Conveyor and Construction Chain Division Chain Divison
Cable & Hose Carrier Division 7100 W. Marcia Road Milwaukee, WI 53223 Tel: (800) 443-4216 Cable & Hose Carrier Divison 7100 W. Marcia Road Milwaukee, WI 53223 Tel: (800) 443-4216 www.kabelschlepp.com
1010 Edgewater Drive Sandusky, OH 44870 Tel: (800) 537-6140 Tel: (800) 537-6140
Wheeling, IL 60090 Tel: (800) 323-7790 www.ustsubaki.com Wheeling, IL 60090 Tel: (800) 323-7790 www.ustsubaki.com
Note: In accordance with the policy of U.S. Tsubaki Power Transmission, LLC to consistently improve its products, the specifications in this brochure are subject to change without notice. The logos, brand names or product names in this brochure are trademarks or registered trademarks of Tsubakimoto Chain Co. and its subsidiaries in Japan, the U.S. and other countries.
©2019 U.S. Tsubaki Power Transmission, LLC. All Rights Reserved. Printed in U.S.A. 07/19 Rev. 0 L10950 ©2021 U.S. Tsubaki Power Transmission, LLC. All Rights Reserved. Printed in U.S.A. 09/2021 Rev. 1 L14038
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