24-0722 BSA B31,B33, B32/B34 Competi
BSA Bantam group timing side, roller main bearing. BSA B31,B33, B32/B34 Competition (1949-57), B32/B34 350/500cc Goldstar (1950-), M20/M21 500/600cc (1945-57) Crankshaft T/S bearing. MRJA 7/8
Ball Race:
Roller Bearing: Yes