9U6877 Thrust , 9U-6877, Timken T63-904A1 Thrust 0.635 ID, 1.625 OD, 0.50 W
It manages thrust loads generated by threaded forcing tools, allowing smooth rotation under load while limiting friction. 9U-6877 Thrust Bearing in original Caterpillar box NOS. • Supports axial thrust loads during injector sleeve service tasks.