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China Cheap price Roller Grp - CAT excavator undercarriage part 345/349 track/bottom roller made in china – Heli
roller shell material:50Mn/45# surface hardness:HRC48-58 Quench depth:>9mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>3mm Collar material:QT450-10 Weight:83.5kg Installation size:378mm,130mm What is track roller? The function of the track roller is to convey the weight of an excavator to the ground .When an excavator is run on uneven ground ,track rollers carry a tremendous impact Therefore ,the support of track rollers is huge .Moreover u5 if it is of poor qu... -
Wholesale Price China Mini Excavator Idler - Excavator undercarriage part front idler Komatsu PC200-3 made in china – Heli
Idler shell material:ZG40Mn Surface hardness:HRC48-58 Quench depth:>4mm Shaft material:45# Surface hardness:HRC48-58 Quench depth:>2.5mm Idler support material:QT450-10/ZG35 Weight:143kg Installation size:280mm,65mm What is idler? The function of an idler is to guide the track links into running smoothly and to prevent dislocation. Idlers also carry some weight and therefore increasing the track links and decreasing ground pressure.There is also an arm in the center which supports the ... -
Wholesale Price China Mini Excavator Idler - Excavator undercarriage part front idler CAT345/349 made in china – Heli
Idler shell material:ZG40Mn Surface hardness:HRC48-58 Quench depth:>4mm Shaft material:45# Surface hardness:HRC48-58 Quench depth:>2.5mm Idler support material:QT450-10/ZG35 Weight:310kg What is idler? The guide wheel is used to guide the track to revolve correctly and prevent it from running and deviating. Most excavators also play the role of supporting wheels. This can increase the contact area of the crawler to the ground and reduce the ground pressure. The guide wheel surface is ma... -
Chinese wholesale Upper Chain Roller - Excavator undercarriage part carrier/up roller CAT345/349 made in China – Heli
Roller shell material:50Mn/45# Surface hardness:HRC48-58 Quench depth:>6mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>3mm Base collar material:QT450-10/45# WEIGHT:48.5Kg What Is Carrier/up Roller ? The function of carrier rollers is to carry the track link upwards ,make certain things are linked tightly , and enable the machine to faster and more steadily Our products use special steel and produced by new process .Every procedure goes through strict inspection and... -
PriceList for Bulldozer Carrier Roller - Excavator undercarriage part carrier/up roller CAT345/349 made in China – Heli
Roller shell material:50Mn/45# Surface hardness:HRC48-58 Quench depth:>6mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>3mm Base collar material:QT450-10/45# WEIGHT:48.5Kg What Is Carrier/up Roller ? The function of carrier rollers is to carry the track link upwards ,make certain things are linked tightly , and enable the machine to faster and more steadily Our products use special steel and produced by new process .Every procedure goes through strict inspection and... -
Bottom price Excavator Bulldozer Front Idler - Excavator undercarriage part front idler Komatsu PC200-3 made in china – Heli
Idler shell material:ZG40Mn Surface hardness:HRC48-58 Quench depth:>4mm Shaft material:45# Surface hardness:HRC48-58 Quench depth:>2.5mm Idler support material:QT450-10/ZG35 Weight:143kg Installation size:280mm,65mm What is idler? The function of an idler is to guide the track links into running smoothly and to prevent dislocation. Idlers also carry some weight and therefore increasing the track links and decreasing ground pressure.There is also an arm in the center which supports the ... -
Hot sale Roller Lower - Komatsu excavator undercarriage part PC200 track/bottom roller made in china – Heli
roller shell material:50Mn/45# surface hardness:HRC48-58 Quench depth:>7mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>2mm Collar material:QT450-10 Weight:41kg Installation size:310mm,110mm Features and requirements The function of the track roller is to transmit the weight of the locomotive unit to the ground and roll on the track. In order to prevent derailment, the track roller should also be able to prevent the crawler from causing lateral relative movement to ... -
2021 China New Design Excavator Idler Link - Excavator undercarriage part front idler CAT345/349 made in china Idler – Heli
Idler shell material:ZG40Mn Surface hardness:HRC48-58 Quench depth:>6mm Shaft material:45# Surface hardness:HRC48-58 Quench depth:>3.5mm Idler support material:QT450-10/ZG35 Weight:310kg What is idler? The function of an idler is to guide the track links into running smoothly and to prevent dislocation. Idlers also carry some weight and therefore increasing the track links and decreasing ground pressure.There is also an arm in the center which supports the track link and guides the two... -
Professional China Upper Roller Lower Roller - Hitachi excavator undercarriage part carrier/up roller EX200 made in China – Heli
Roller shell material:50Mn/45# Surface hardness:HRC48-58 Quench depth:>4mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>2mm Base collar material:QT450-10/45# WEIGHT:48.5Kg WHAT IS CARRIER/UP ROLLER? The function of the supporting roller is to support the crawler belt upwards to make the crawler belt a certain degree of tension. Why choose us? Heli Machinery Manufacturing Co., Ltd. was founded in 2000 and is a highly creative technology company. The company’s m... -
Manufacturer for Chain Track - Caterpillar E330 Track Link Assembly with High Quality – Heli
Raw material: Our carbon steel and special steel are supplied by the big companies all over China. -
PriceList for Single Flange Track Roller - CAT excavator undercarriage part 345/349 track/bottom roller made in china – Heli
roller shell material:50Mn/45# surface hardness:HRC48-58 Quench depth:>9mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>3mm Collar material:QT450-10 Weight:83.5kg Installation size:378mm,130mm What is track roller? The function of the track roller is to convey the weight of an excavator to the ground .When an excavator is run on uneven ground ,track rollers carry a tremendous impact Therefore ,the support of track rollers is huge .Moreover u5 if it is of poor qu... -
Good quality Kx91-3 Top Roller - Excavator undercarriage part carrier/up roller CAT345/349 made in China – Heli
Roller shell material:50Mn/45# Surface hardness:HRC48-58 Quench depth:>6mm Roller shaft material:45# Surface hardness:HRC48-58 Quench depth:>3mm Base collar material:QT450-10/45# WEIGHT:48.5Kg What Is Carrier/up Roller ? The function of carrier rollers is to carry the track link upwards ,make certain things are linked tightly , and enable the machine to faster and more steadily Our products use special steel and produced by new process .Every procedure goes through strict inspection and...
