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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 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


N/A 5 x 1.2 mm

A (Overall Width)

N/A 0.709 in18.00 mm

B (Overall Diameter)

N/A 1.654 in42.00 mm

C (Outer Race I.D.)

N/A 1.417 in36.00 mm

D (Inner Race I.D.)

N/A 0.866 in22.00 mm

E (Chamfer)

N/A 0.031 in0.80 mm

F (Chamfer)

N/A 0.012 in0.30 mm

G (Slot Width)

N/A 0.197 in5.00 mm

H (Slot Depth)

N/A 0.071 in0.07 mm


N/A 0.264 lb0.120 kg
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