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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 1.378 in35.00 mm

Torque Capacity

N/A 350.3 lb·ft475.0 N·m

Max. Overrunning Inner Race

N/A 1400 rpm

Max. Overrunning Outer Race

N/A 700 rpm

Drag Torque

N/A 0.310 lb·ft0.42 N·m


N/A 10 x 2.4 mm

A (Overall Width)

N/A 1.220 in31.00 mm

B (Overall Diameter)

N/A 3.150 in80.00 mm

C (Outer Race I.D.)

N/A 2.756 in70.00 mm

D (Inner Race I.D.)

N/A 1.890 in48.00 mm

E (Chamfer)

N/A 0.071 in1.80 mm

F (Chamfer)

N/A 0.039 in1.00 mm

G (Slot Width)

N/A 0.472 in12.00 mm

H (Slot Depth)

N/A 0.138 in0.14 mm


N/A 1.738 lb0.790 kg
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