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Dismounting bearings fitted on an adapter sleeve

Small bearings fitted on an adapter sleeve and a plain shaft can be dismounted by tapping a small steel block with an appropriate hammer evenly around the bearing inner ring side face (fig. 1). Before doing so, the sleeve lock nut has to be loosened a few turns.
Small bearings fitted on an adapter sleeve and a stepped shaft can be dismounted by a couple of sharp hammer blows applied to a dolly abutting the sleeve lock nut (fig. 2). Before doing so, the sleeve lock nut has to be loosened a few turns.
Using a hydraulic nut for dismounting bearings fitted on an adapter sleeve and a stepped shaft makes bearing dismounting easy. To use this method however, it must be possible to mount a suitable stop that abuts to the piston of the hydraulic nut (fig. 3). If the sleeves are provided with oil supply ducts and distribution grooves, dismounting becomes easier because the oil injection method can be used.
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