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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 0.787 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


N/A 6 x 1.6 mm

A (Overall Width)

N/A 0.827 in21.00 mm

B (Overall Diameter)

N/A 2.047 in52.00 mm

C (Outer Race I.D.)

N/A 1.772 in45.00 mm

D (Inner Race I.D.)

N/A 1.063 in27.00 mm

E (Chamfer)

N/A 0.047 in1.20 mm

F (Chamfer)

N/A 0.031 in0.80 mm

G (Slot Width)

N/A 0.236 in6.00 mm

H (Slot Depth)

N/A 0.091 in0.09 mm


N/A 0.484 lb0.220 kg
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