It also called Excavator bottorm roller and excavator lower roller is composition of two pieces of forged semi-roller and the roller body is welded by CO2 automatic welding.
It also called mini bottom roller and mini lower roller is used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, track roller force t
It also called digger bottom rollers and digger lower rollers are used to support the weight of crawler excavators and roll on the track link. It is also used to keep track link to prevent it from lateral slippage. When the excavator steers, mini excavato
Track roller assembly Production description Track roller assembly also called bottom roller assembly or lower roller assembly are often in mud, water and just and bear strong impact. Therefore,they are required to be sealed reliably and wear-resisitant.