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Roller chain couplings have a torque capacity in excess of the torque
normally transmitted by shafting which falls within the coupling bore
range. Select the smallest coupling which will accommodate both shafts.
For reversing operation, shock or pulsating loads, or other severe
operating conditions, select the next larger coupling.
A cover should be used to assure maximum service life, particularly if
the coupling operates at high speeds or under moist or abrasive
conditions. For proper lubrication, fill the space between the cover and
the coupling with soft to medium consistency bearing grease.
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