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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... -
Wholesale Price Fyzg Track Link Dh300 - Top quality undercarriage parts PC400-6 track link assy – Heli
What are the advantages of our EXCAVATOR track link assembly The chain material is 35MnB forging, and the bushings and pins are 40Cr. Overall quenching and tempering heat treatment, internal and external medium frequency. The internal and external precision polishing finish can reach 0.2. Achieve high precision, more wear resistance and longer service life. After the assembly is completed, the finished product is shot blasted as a whole. which has stronger adhesion and makes the overall appea... -
Hot New Products Rear Sprocket - CAT excavator undercarriage part sprocket 345/349 made in China – Heli
Material:ZF40Mn/ZG35Mn Surface hardness:HRC 48-58 Quench depth:root tooth>5mm top tooth>8mm Weight:83kg Installation size:24H,23T What is sprocket? provided by power generator of an excavator is conveyed to track link by running motor and sprocket . The teeth of sprocket rim should fit the track link well and should be able to drive the link steadily .Even when the link stretches due towear and uz teat of its pin and bushing ,the teeth should fit well Usually ,a sprocket rim is plac... -
Good Quality Track Link - 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 Fyzg Track Link D4d - 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. -
Cheap price Sprocket For Excavator – Hitachi excavator undercarriage part sprocket EX200 made in China – Heli
Material:ZF40Mn/ZG35Mn Surface hardness:HRC 48-58 Quench depth:root tooth>4mm top tooth>6mm Weight:83kg Installation size:16H,23T Characteristics of sprocket The drive gear block is the undercarriage parts of the construction machinery. This is an old product with many years of technology accumulation. With unremitting exploration and research, the craftsmanship is improving day by day. Dripping water through the stone, there should be a suitable return in the end. Such products are of ... -
OEM Factory for Track Roller Excavator - 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 ... -
Fast delivery Excavator Idler Roller - 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 ... -
Cheap PriceList for Dozer Idler Wheel - 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... -
High Quality Track Chain - Top quality undercarriage parts PC400-6 track link assy – Heli
What are the advantages of our EXCAVATOR track link assembly The chain material is 35MnB forging, and the bushings and pins are 40Cr. Overall quenching and tempering heat treatment, internal and external medium frequency. The internal and external precision polishing finish can reach 0.2. Achieve high precision, more wear resistance and longer service life. After the assembly is completed, the finished product is shot blasted as a whole. which has stronger adhesion and makes the overall appea... -
Super Lowest Price 450 Case Dozer Front 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... -
Hot-selling Kx121-3 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...
