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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 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


N/A 22 x 3.1 mm

A (Overall Width)

N/A 2.283 in58.00 mm

B (Overall Diameter)

N/A 6.693 in170.00 mm

C (Outer Race I.D.)

N/A 5.512 in140.00 mm

D (Inner Race I.D.)

N/A 3.937 in100.00 mm

E (Chamfer)

N/A 0.102 in2.60 mm

F (Chamfer)

N/A 0.059 in1.50 mm

G (Slot Width)

N/A 0.787 in20.00 mm

H (Slot Depth)

N/A 0.295 in0.30 mm


N/A 14.168 lb6.440 kg
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