YH65 YH70 Gear Drive 51206522 is a component of the rock drill rotation system. It transfers rotational motion through the gear assembly to drive the chuck mechanism during drilling operations.
Manufactured by ONSAMAK from wear-resistant steel, the 51206522 gear drive is designed to handle continuous rotational loads and contact between gear teeth. It is supplied as an aftermarket replacement part for rock drilling equipment used in mining, quarrying, and construction.