Description
Renold REUSNU Series Trapped Roller Freewheels are non self-centering. Bearings must be placed adjacent to the freewheel to ensure concentricity between inner and outer races.
The REUSNU Series freewheels have the same outside dimensions as standard 63 series bearings.
Torque is transmitted to the inner race via a key and the outer race by means of either face keys or interference fit. If the face keys in the outer race are used for torque transmission the housing tolerance should be H7 to provide a press fit. If torque transmission is via interference alone, the housing tolerance should be K6. The housing must be strong enough to accept the stresses from the interference. Shaft tolerance must be H6/J6.
Prior to use, the freewheel must be lubricated as per instructions on page 35 of our current catalogue. Oil lubrication is essential for over running applications.
The REUSNU is an open design so sealing must be provided by the installation.
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