CD-21-170SB Dual-Support Roller for Tractor Undercarriage Systems

It is a part of the running system of the tractor and is designed to transfer the weight of the tractor to the tracks and through them to the ground, as well as to provide direction of movement of the tractor bogie and prevent it from coming off the track; to prevent the support rollers from coming off the tracks, the rollers have flanges. Spare part of running systems for bulldozers T-130, T-170, B-10 (link pitch 203 mm) - for normal operating conditions