• Excavator Undercarriage Parts SK350 Track Roller For KOBELCO

    Excavator Undercarriage Parts SK350 Track Roller For KOBELCO

    Excavator track rollers are one of the important accessories of excavators. They are used to support the weight of the excavator, while rolling on the track (rail link) or the track plate of the track. Slip off. Crawler track rollers can be divided into unilateral track rollers and bilateral track rollers according to their structure, using sliding bearings and rolling shafts. The supporting rims are quenched and their hardness reaches 355-440 HB.

  • Excavator Undercarriage Parts PC300 Track Roller For KOMARSU

    Excavator Undercarriage Parts PC300 Track Roller For KOMARSU

    As the main bearing structure of the tracked roller excavator, its design and manufacturing quality are directly related to the overall safety of the machine, especially in large tonnage tracked rotary excavators. The arrangement of the rollers is sparse middle and dense ends.

  • Excavator Undercarriage Parts PC400 Track Roller For KOMARSU

    Excavator Undercarriage Parts PC400 Track Roller For KOMARSU

    Wheel: Forged by 50Mn2 round steel material with good hardenability;Heat treatment process + medium frequency quenching.Surface hardness achievable HRC55-60, hardened layer depth up to 6-8mm, ensuring it's strength and durable. Center shaft: 50Mn2 round steel material, medium frequency surface quenching heat treatment + quenching and tempering process, surface hardness HRC55/60, hardened layer depth up to 3-5mm, has excellent mechanical properties. Floating oil seal: high Chromium and Molybdenum alloy,hardness HRC65-72,working bright strip has roughness 0.1um-0.2um. O-ring: It's made of butadiene with acrylonitrile and butadiene rubber copolymerized. Features: It has better oil resistance and high temperature resistance.

  • Excavator Undercarriage Parts EX400 Track Roller For HITACHI

    Excavator Undercarriage Parts EX400 Track Roller For HITACHI

    EX400 track rollers are used to support the weight of the excavator, while rolling on the track (rail link) or track plate of the track, it is also used to limit the track and prevent lateral slippage. When the excavator turned, the track wheels forced the tracks to slip on the ground. EX400 track rollers are often in mud, water and dust, and withstand strong impacts, so it is required to have reliable seals and wear-resistant rims.

  • Excavator Undercarriage Parts EX300 Track Roller For HITACHI

    Excavator Undercarriage Parts EX300 Track Roller For HITACHI

    EX300 track roller is forged by 50Mn2 round steel material with good hardenability;Heat treatment process + medium frequency quenching.Surface hardness achievable HRC55-60, hardened layer depth up to 6-8mm, ensuring it's strength and durable.

  • Excavator Undercarriage Parts E330 Track Roller For CAT

    Excavator Undercarriage Parts E330 Track Roller For CAT

    The material of E330 track roller wheel body is made of 50Mn2. The main process is casting or forging, machining, and then heat treatment. The hardness of the surface of the wheel after quenching should reach HRC45 ~ 52 to increase the wear resistance of the wheel surface.

  • Excavator Undercarriage Parts PC200 Track Roller For KOMARSU

    Excavator Undercarriage Parts PC200 Track Roller For KOMARSU

    PC200 track roller main shaft material is 50Mn high-quality carbon structural steel. The wheel body is formed by forging. After molding, the wheel body is quenched and tempered to a hardness of 26 ~ 32HRC to maintain the high strength, plasticity, Toughness and comprehensive mechanical properties.

  • Excavator Undercarriage Parts EX200 Track Roller For HITACHI

    Excavator Undercarriage Parts EX200 Track Roller For HITACHI

    The EX200 track track roller is one of the four wheels and one belt of the mechanical chassis. Its main function is to support the weight of the HITACHI excavator and let the track advance along the wheels. The material of EX200 track roller is 50Mn high quality carbon structural steel, which has high strength and hardness, excellent hardenability, deep hardened layer, fine pearlite structure and good mechanical properties.

  • Excavator Undercarriage Parts E320 Track Roller For CAT

    Excavator Undercarriage Parts E320 Track Roller For CAT

    The material of E320 track track roller is 50Mn2, which is formed by forging. After the forming, the blank is quenched and tempered, and the hardness reaches 26 ~ 32HRC. It has high strength, plasticity, toughness and comprehensive mechanical properties.

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