Wheel bearings, suit front and rear (set) suit all Nortons from 1932 to Commando, branded, 2RS sealed. One set of 2 required for each wheel. One single row deep groove ball bearing and one double row deep groove ball bearing. Both bearings are double sealed (2RS) so you do not have to worry about greasing them in the hub. Commando with cush rear hub or rear disk brake requires set of three (see BT-A2/435+436+065541 AND BT-A2/435x2+436 ).Original Part Numbers:9492; A2/435; 17719; 01-17719; 01-18337; 040100; 0665542 - Hub bearing plain side9496; A2/436; 17721; 01-17721; 067688 - Hub bearing brake side
