TFS Series Cam Clutch
Overrunning & General Applications
TFS Series Cam Clutch is a sprag type clutch designed for press fit installation. Sprag type designs typically have a higher torque capacity than a similarly sized ramp & roller type clutch. TFS has two vertical keyways on the outer race to assist with locating. Outside dimensions are the same as Series 63 ball bearings. This design is ideal for general inner or outer race overrunning applications. Since the TFS Series does not include an integral bearing, installing the TFS Cam Clutch next to a bearing which handles both the axial and radial loads is the typical application.
Item # |
Bore Size |
Torque Capacity |
Max. Overrunning Inner Race |
Max. Overrunning Outer Race |
Drag Torque |
Keyway |
|---|---|---|---|---|---|---|
| TFS12 | Bore Size N/A 0.472 in12.00 mm | Torque Capacity N/A 13.3 lb·ft18.0 N·m | Max. Overrunning Inner Race N/A 4500 rpm | Max. Overrunning Outer Race N/A 2300 rpm | Drag Torque N/A 0.030 lb·ft0.04 N·m | Keyway N/A 4 x 1.8 mm |
| TFS15 | Bore Size N/A 0.591 in15.00 mm | Torque Capacity N/A 20.7 lb·ft28.0 N·m | Max. Overrunning Inner Race N/A 3500 rpm | Max. Overrunning Outer Race N/A 1800 rpm | Drag Torque N/A 0.044 lb·ft0.06 N·m | Keyway N/A 5 x 1.2 mm |
| TFS17 | Bore Size N/A 0.669 in17.00 mm | Torque Capacity N/A 36.9 lb·ft50.0 N·m | Max. Overrunning Inner Race N/A 3200 rpm | Max. Overrunning Outer Race N/A 1600 rpm | Drag Torque N/A 0.081 lb·ft0.11 N·m | Keyway N/A 5 x 1.2 mm |
| TFS20 | Bore Size N/A 0.787 in20.00 mm | Torque Capacity N/A 62.0 lb·ft84.0 N·m | Max. Overrunning Inner Race N/A 2500 rpm | Max. Overrunning Outer Race N/A 1300 rpm | Drag Torque N/A 0.133 lb·ft0.18 N·m | Keyway N/A 6 x 1.6 mm |
| TFS25 | Bore Size N/A 0.984 in25.00 mm | Torque Capacity N/A 94.4 lb·ft128.0 N·m | Max. Overrunning Inner Race N/A 2000 rpm | Max. Overrunning Outer Race N/A 1000 rpm | Drag Torque N/A 0.140 lb·ft0.19 N·m | Keyway N/A 8 x 2.0 mm |
| TFS30 | Bore Size N/A 1.181 in30.00 mm | Torque Capacity N/A 147.5 lb·ft200 N·m | Max. Overrunning Inner Race N/A 1600 rpm | Max. Overrunning Outer Race N/A 800 rpm | Drag Torque N/A 0.155 lb·ft0.21 N·m | Keyway N/A 8 x 2.0 mm |
| TFS35 | Bore Size N/A 1.378 in35.00 mm | Torque Capacity N/A 350.3 lb·ft475.0 N·m | Max. Overrunning Inner Race N/A 1400 rpm | Max. Overrunning Outer Race N/A 700 rpm | Drag Torque N/A 0.310 lb·ft0.42 N·m | Keyway N/A 10 x 2.4 mm |
| TFS40 | Bore Size N/A 1.575 in40.00 mm | Torque Capacity N/A 447.7 lb·ft607.0 N·m | Max. Overrunning Inner Race N/A 1300 rpm | Max. Overrunning Outer Race N/A 650 rpm | Drag Torque N/A 0.339 lb·ft0.46 N·m | Keyway N/A 12 x 2.2 mm |
| TFS45 | Bore Size N/A 1.772 in45.00 mm | Torque Capacity N/A 557.6 lb·ft756.0 N·m | Max. Overrunning Inner Race N/A 1100 rpm | Max. Overrunning Outer Race N/A 550 rpm | Drag Torque N/A 0.413 lb·ft0.56 N·m | Keyway N/A 14 x 2.1 mm |
| TFS50 | Bore Size N/A 1.969 in50.00 mm | Torque Capacity N/A 829.0 lb·ft1124.0 N·m | Max. Overrunning Inner Race N/A 1000 rpm | Max. Overrunning Outer Race N/A 500 rpm | Drag Torque N/A 0.443 lb·ft0.60 N·m | Keyway N/A 14 x 2.1 mm |
| TFS60 | Bore Size N/A 2.362 in60.00 mm | Torque Capacity N/A 1456.7 lb·ft1975.0 N·m | Max. Overrunning Inner Race N/A 840 rpm | Max. Overrunning Outer Race N/A 420 rpm | Drag Torque N/A 0.642 lb·ft0.87 N·m | Keyway N/A 18 x 2.3 mm |
| TFS70 | Bore Size N/A 2.756 in70.00 mm | Torque Capacity N/A 1854.2 lb·ft2514.0 N·m | Max. Overrunning Inner Race N/A 750 rpm | Max. Overrunning Outer Race N/A 380 rpm | Drag Torque N/A 0.671 lb·ft0.91 N·m | Keyway N/A 20 x 2.7 mm |
| TFS80 | Bore Size N/A 3.150 in80.00 mm | Torque Capacity N/A 2894.2 lb·ft3924.0 N·m | Max. Overrunning Inner Race N/A 670 rpm | Max. Overrunning Outer Race N/A 340 rpm | Drag Torque N/A 0.900 lb·ft1.22 N·m | Keyway N/A 22 x 3.1 mm |
