heavy duty roller track
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Shantui Bulldozer SD16 Spare Parts Heavy Duty Sliding Roller Track
QINDING Shantui Bulldozer Undercarriage Components Track Roller Wheel: forged by 50Mn2 round steel material with good hardenability; heat treatment process of quenching and tempering + medium frequency surface quenching, surface hardness HRC55-60, hardened layer depth up to 6-3mm, ensuring its strength and wear resistance Shaft: 50Mn round steel material, quenching and tempering + medium frequency surface quenching heat treatment process, surface hardness HRC55-60, hardened layer depth up to 3-5mm, excellent mechanical properties. Floating oil seal: high Chromium high Molybdenum alloy, hardness HRC65-72, working bright strip roughness 0.1um-0.2um. O-ring: It is made of butadiene rubber copolymerized with butadiene and acrylonitrile. It has better oil resistance and high temperature resistance
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