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Best quality Mini Excavator Sprocket - 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 ... -
Hot sale Up 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... -
Chinese Professional Double Flange Track Roller Assy - 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 Track Roller Wheels - 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... -
Bottom price Upper Pressure 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... -
China wholesale Excavator 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... -
China Cheap price Pc200-8 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... -
Wholesale Track Link For Excavator Parts - 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... -
2021 China New Design Metal Track With Rollers - Hitachi excavator undercarriage part EX200 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:40kg Installation size:290mm,102mm What is track roller? The supporting wheel is used to support the weight of the tractor, while rolling on the track (rail link) or the surface of the crawler track. It is also used to limit the crawler and prevent lateral slippage. When the tractor turns, the rollers force the t... -
Wholesale Price Mini Excavator Track Rollers - Hitachi excavator undercarriage part EX200 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:40kg Installation size:290mm,102mm What is track roller? The supporting wheel is used to support the weight of the tractor, while rolling on the track (rail link) or the surface of the crawler track. It is also used to limit the crawler and prevent lateral slippage. When the tractor turns, the rollers force the t... -
High definition Track Chain Link Assy - Komatsu PC200-5 Undercarriage Parts Track Link Chains – Heli
Material: Special alloy steel
Length:288mm
Weight:7.8kg
Aperture:25mm
Impact energy：30J
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OEM Manufacturer Front Idler Assembly - 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...
