CK-A1542 15x42x24mm One Way Clutch Bearing Overrunning Clutch Type One Way Freewheel Clutch Bearing

The “CK-A” series is a sprag-type freewheel / one-way clutch bearing, meaning it allows rotation in one direction and locks in the other.

According to multiple datasheets, the CK-A1542 model has:

• Nominal torque: 54 N·m 

• Overrunning limiting speed (inner race): ~ 1,750 rpm

• Overrunning limiting speed (outer race): ~ 500 rpm

• Dimensions: Outer race diameter 42 mm, thickness (“B”) = 23 mm; inner race bore = 15 mm; inner race thickness (“C”) = 24 mm. Weight: ~0.17 kg.

• The inner and outer diameters have keyways / keyed features: “the inner race and the outer race are keyed to the shaft and hole