NBS model is Sprag type Freewheel one way clutch with sealing & integrated bearing supports.
This type of Freewheel one way clutch are designed to provide inner race overrunning capability in one direction of rotation, and engage the outer race when reverse rotation.
Outer race end faces have Tapped Holes for attachment of items such as Torque/Lever Arm, Coupling, Sprocket, Pulley, etc.
This type of freewheels are supplied with grease lubrication and ready for installation.
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