Made with alkali phenolic resin sand or sodium silicate-bonded sand for enhanced durability.
Surface hardness reaches HRC48-58 with a depth of 4-6mm (HRC45) after heat treatment.
Constructed from high-quality materials including 40Mn/SCMn3A for the roller and QT450-10 for bracketing.
Features a floating seal cover made of 42SiMn for superior sealing performance.
Equipped with a double metal set (CuPb10Sn10) for extended lifespan.
Lubricated with SAE85 oil to ensure smooth operation.
Compatible with a wide range of excavator models from Komatsu, Hitachi, Sumitomo, Kobelco, and more.
Available with standard sea shipment packing or customized as per customer requirements.
คำถามที่พบบ่อย:
What materials are used in the Excavator Front Idler Roller?
The roller is made from 40Mn/SCMn3A, with bracketing from QT450-10, cover from 42SiMn/40Cr, and floating seal cover from 42SiMn. It also includes a double metal set (CuPb10Sn10) and an O-ring made of rubber.
What is the hardness specification of the idler roller?
The idler roller has a surface hardness of HRC48-58 with a hardness depth of 4-6mm (HRC45) after undergoing a heat treatment process.
Which excavator models is this idler roller compatible with?
This idler roller is compatible with a wide range of models from brands like Komatsu, Hitachi, Sumitomo, Kobelco, Caterpillar, Daewoo, Kato, Hyundai, and Volvo, including Hitachi EX40, Sumitomo SH60, and Kobelco SK30.