Browse a selection of ball bearing mandrels from Grainger. Setscrew-type ball bearings are prelubricated and sealed for maintenance-free operation. Use A or 4L type V-belt. 3000 rpm max. They are corrosion-resistant and will take up to 1-1/2"-thick buffing/finishing wheels. Ball bearing mandrels are suitable for jackshaft applications and include hex nut and 2 machined flange washers (1-1/2" O.D.) for each end.
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