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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 0.669 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


N/A 5 x 1.2 mm

A (Overall Width)

N/A 0.748 in19.00 mm

B (Overall Diameter)

N/A 1.850 in47.00 mm

C (Outer Race I.D.)

N/A 1.496 in38.00 mm

D (Inner Race I.D.)

N/A 0.866 in22.00 mm

E (Chamfer)

N/A 0.047 in1.20 mm

F (Chamfer)

N/A 0.031 in0.80 mm

G (Slot Width)

N/A 0.197 in5.00 mm

H (Slot Depth)

N/A 0.091 in0.09 mm


N/A 0.330 lb0.150 kg
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