BSA B31, B33 Rigid, Sprung and Plunger Frame / Main Bearing Set (3)
1. Outer drive side Bearing 44) 70-9974. E9974. 24-0724. NF305C. 24-724.
OD: 62 mm
ID 25 mm
W: 17 mm
NF305C
MSS Viper Venom Clubman 350cc (MKI and MKII) Scrambler 350cc Clubman 500cc (MKI and MKII) Scrambler 500cc Thruxton Endurance Made in England by Velocette Ltd.