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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. TFS Series ships pre-lubricated with oil.
Unit of Measure


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


N/A 8 x 2.0 mm

A (Overall Width)

N/A 1.063 in27.00 mm

B (Overall Diameter)

N/A 2.835 in72.00 mm

C (Outer Race I.D.)

N/A 2.441 in62.00 mm

D (Inner Race I.D.)

N/A 1.575 in40.00 mm

E (Chamfer)

N/A 0.071 in1.80 mm

F (Chamfer)

N/A 0.039 in1.00 mm

G (Slot Width)

N/A 0.394 in10.00 mm

H (Slot Depth)

N/A 0.098 in0.10 mm


N/A 1.166 lb0.530 kg
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