Husqvarna Automower 320 330X 420 430X 440 450X 520 550

These only fit closest to the wheel

Ball bearings for the front wheels on newer G2 machines

Hardens in the absence of air between metal surfaces and prevents screws from vibrating loose

On later models

Kullager elmotor 1/8"(3.175mm) axel 2st Repair Honda Miimo HRM4000 Husqvarna Automower 320 330X 420Ball bearings for electric motor with 1 8" (3. 175mm) motor shaft that is installed on the smaller wheel motors. If there is an abnormal noise when the motor spins, the bearings are probably bad. NOTE: To change the bearing at the gear side, a puller must be used, otherwise it is 99% certain that the gear will be damaged! I am writing from my own experience! Contains: 2x Ball bearings