Triumph/BSA/Norton/Villiers/AJS/Matchless

Bantam models gearbox mainshaft bearing, BSA C11/C12/C15/B40/C25/B25/B44/B50 Mainshaft bearing Norton Mod18/ES2/Dominator/Commando, Triumph TR25/TR25W, Villiers Junior 100cc single, AJS Matchless 16/18/G3/G80 (1957-) with AMC G/Box, 500/600 twins (1958-) with AMC G/Box, G15/33CSR (1965-)Gearbox Mainshaft bearing. ID: 5/8″ (15.8mm)
OD: 1+9/16″ (40mm)
Width: 7/16″ (11mm)