Bosch Ag7 Gear Set Suitable For 7" Grinding /Steel & Stone Cutting machine in Bosch GWS 20-180 / GWS 24-180 AG7 Model
Brand : Generic
Suitable For : Bosch GWS 20-180 / GWS 24-180 .
gear set helps to rotate the blade for cutting / grinding. The gear divide by two parts. Big one was attached with spindle and small one was attached with rotor. If the gear was fine it runs smooth and less noise. If it damaged then it will make more noise.
so please read the user manual to avoid that.