49 00048
Bearing, .75" x 1.875" x .562", mainshaft BSA M20, 21, A7, A10, A50, A65, camshaft Ariel Square Four (1946-59), mainshaft Royal Enfield, Sunbeam S7, S8, mainshaft Triumph 350cc, 500cc pre unit, T120, T140 unit, T150, T160, crankshaft Villiers 9D