Mud motor stack bearing is a critical part of the mud motor to accommodate the high load and keep the drilling smoothly. TianyuMfg mud stack bearings are able to accommodate very heavy loads while enduring severe working conditions.

Mud bearing stacks are lubricated with highly abrasive mud, it typically lasts one to two hundred hours and service life may vary due to actual operating conditions.

TianyuMfg mud motor bearings feature improved wear resistance, optimized load distribution. Customer-tailored design is also acceptable.