Large mainshaft bearing
BSA A50, A65 1969-1972
Triumph
Part numbers for the bearing: 57-0448, 68-0023, 60-3556, 535-7, A2-316, and 24-4027
Also found on the following models:
AJS & Matchless 350cc & 500cc singles models 16, 18, G3, G80, etc. with AMC gearbox (1957 onwards) - 040098
AJS & Matchless 500cc & 650cc twins 20, 31, G11, G12, etc. with AMC gearbox (1958 onwards) - 040098
AJS & Matchless 650cc twins G15, 33CSR, etc. (1965 onwards) onwards) - 040098
BSA 500cc & 650cc A50, A65 models (1962-1973) - 68-0023
BSA A75 Rocket 3, 4 speed models (1969-1970)
Triumph TRW 2B side valve models (up to 1964)
Triumph T150 Trident, 4 speed models with T120 gearbox (1968-1970)
Triumph 650cc unit twins TR6 & T120, 4 speed models (1963-1970)
Triumph 350cc 3T twins (1946-1951)
Triumph 500cc & 650cc pre unit twins T100, TR5, T110, T120 etc. (1937-1962)
Norton 500cc & 650cc singles ES2, 16H, Mod 18, Big 4, 19 etc. (up to 1958) - A2-316
Norton 500cc, 600cc & 650cc twins Dominator, Model 7 - A2-316
Norton 750cc & 850cc Commando models (up to 1975) - 040098
