24-6860  aka  1178 X/1130

These bearings have been adapted from commercial taper roller bearings.

The o/d has been reduced to 1 3/4" and a bush has been made to reduce the i/d to 5/8"

This internal bush increases the overall length of the bearing to 13/16"

The new bearing is higher capacity than the original and also others claiming to replace them.

Known to fit,

BSA M20

1929 BSA 4.93h.p. and 5.57h.p. de Luxe.

1929 BSA 4.93h.p. O.H.V. Single Port and 2 Port. 

 

PES BSA M20 Front Hub Bearing 24-6860

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