The material of the carrier roller body is forged by 40Mn2. and the surface heat treatment HRC 48-55 depth up to 5-8mm. Precision CNC machine machining size is more accurate The center shaft of the China carrier roller material is 42CrMo and forged. The hardness of surface heat treatment can reach 48-55HRC More wear-resisting . Core hardness of HRC 28 or above is not easy to fracture. Tempering 180 degrees before finishing. The surface of the center shaft of the carrier roller is polished by CNC machine tool to make the shaft smoother. High sealing aprons are used inside the carrier roller to prevent dirt, sand and water from damaging it. The upper track rollers for sale using friction welding technology welding quality is good and stable, and environmental protection, no pollution. Welding process does not produce smoke or harmful gas, no splash, no lone light and spark, no radiation. Known as the green welding technology of the future.
Product Information Material 50Mn Finish Smooth Colors Black or yellow Technique Forging casting Surface Hardness HRC50-56,deepth:4mm-10mm Warranty time 2000 hour Certification ISO9001-9002 FOB Price FOB Xiamen USD 10-100/Piece MOQ 2 piece Delivery Time Within 30 days after contract established
As one of China's top excavator undercarriage parts supplier and manufacturers, GT produces high-quality top rollers and carrier rollers.
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