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Low price for Track Roller Sk200-8 - 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 ... -
High Quality Bucket Tooth - Cat345rc 9w8552rc John Deere 400 Bucket Teeth – Heli
Material: Special alloy steel Length:390mm Weight:23.2kg Aperture:35mm Impact energy：32J What is bucket teeth? Bucket teeth of excavators are important parts of excavators, similar to human teeth, but also vulnerable parts. They are combined bucket teeth composed of a tooth seat and a tooth tip, and the two are connected by a pin shaft. Because the part of the bucket tooth wear and failure is the tooth tip, just replace the tooth tip. Why chose us? Our bucket teeth are all forged. The most p... -
New Arrival China Excavator Drive Sprockets - 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... -
High definition Track Chain Link Assy - 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. -
Professional China Idler Assy - 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... -
OEM China Track Roller For Excavator - 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... -
China wholesale Upper 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 China Mini Excavator Idler - 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... -
2021 Good Quality Bucket Tooth Adapter - Cat345rc 9w8552rc John Deere 400 Bucket Teeth – Heli
Material: Special alloy steel Length:390mm Weight:23.2kg Aperture:35mm Impact energy：32J What is bucket teeth? Bucket teeth of excavators are important parts of excavators, similar to human teeth, but also vulnerable parts. They are combined bucket teeth composed of a tooth seat and a tooth tip, and the two are connected by a pin shaft. Because the part of the bucket tooth wear and failure is the tooth tip, just replace the tooth tip. Why chose us? Our bucket teeth are all forged. The most p... -
Wholesale Price China Track Carrier 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... -
Hot-selling Mini Excavator Chain Link - 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... -
Good Quality Track Link - 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...
