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Good Quality Track Roller - Compact Excavator Track Roller Apply to CAT304 266-8793 – Junhua
Product Description This Bottom roller(track roller) apply to CATERPILLAR MINI EXCAVATOR 303.5E, 302.5C, 303.5C, 303.5D, 303.5E2, 303.5E2 CR, 303C CR, 303E CR, 303ECR, 304D CR, 304E, 304E2 CR. Track roller assemblies are designed to support undercarriage either moving loads or stationary loads. Radial loads are applied at 90 degrees to the bearing bore or axis of rotation, while thrust loads are applied parallel to the bearing bore or axis of rotation. There are two types of combined crawler ... -
OEM Customized Sprocket Yanmar Excavator - Mini Excavator Sprocket Apply to CAT302.5 140-4022 – Junhua
Product Description This drive sprocket is apply for CATERPILLAR MINI EXCAVATOR model Cat302.5 302.5C. The mini sprocket usually were toothed design, because when the mini excavator working, the force on the wheel is relatively large, coupled with the torque generated when changing the direction, so using the gear like driving sprocket in front of the excavator can maintain a relatively stable maneuverability, and it is not easy to slide out of the track when turning. The drive sprocket is ma... -
Competitive Price for Rear Idler Komatsu Bulldozer - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
Best-Selling Chain Idler Hitachi Excavator - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
Professional China Support Roller - Mini Excavator Lower Roller Apply to R55 81M7-55000 HYUNDAI – Junhua
Product Description This Bottom roller (track roller) apply to HYUNDAI MINI EXCAVATOR R55-3 R55M R55MVP R500, R550-3 R555M, R555MVP. The lower roller is used to support the weight of the tractor and roll on the track guide rail (track link) or track board. It is also used to limit the track and prevent lateral slippage. When the tractor turns, the roller forces the track to slide on the ground. It often works in muddy water and ash sand, and bears strong impact. The working conditions are ext... -
Fast delivery Anterior Idler Caterpillar Bulldozer - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
2022 Good Quality Front Track Idler - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
OEM Manufacturer Track Chain Assy Jcb Compact Track Loader - Excavator Track Chain Apply to KOMATSU PC300-6 207-32-00141 – Junhua
Product Description Why the chain derails from excavator? 1. If the chain falls due to external reasons, the crawler of the excavator enters impurities such as soil or stones, and passes through the rugged road surface, the force on the crawler shoe will be seriously unbalanced, which is easy to fail. 2. The operator’s operation skills are not qualified, and improper operation when driving the excavator to turn or walk will also cause deviant faults. 3. The four wheels are not in the sa... -
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Reasonable price for Track Idler Komatsu Dozer - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
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