Manufacturer for Crawler Tractor Undercarriage Parts - Best-Quality dozer carrier roller – Jinjia
Manufacturer for Crawler Tractor Undercarriage Parts - Best-Quality dozer carrier roller – Jinjia Detail:
Description:
Carrier roller is suitable for ranging 0.2-120 ton mini excavators and heavy excavators and bulldozers.
The design of double code seal and life long lubrication make the track roller a healthy life and a wonderful performance.
Manufacture of hot forging processing: roller shell access to excellent flow distribution within the material structure of fiber.
Differential quenching or through quench hot heat treatment, the rollers have crack resistance effect and have a longer life span.
Production Porcess:
TOP ROLLER: Forging Material (50MN) Cover Material(QT450) Shaft( 45#)
Degree of depth: 3mm (Shaft: 1.5-2mm) Hardness: HRC53-56
Roller Body:Forging—Turning operation—Quenching—Fine Turning operation—Pressure Bushing—Welding—Slag Shovel(clean up the body surface)
Shaft:Forging—Turning operation—Drill—Tapping—Temper—Quenching—Mill—right-handed screw
End Cover:Forging/Casting/Steel Rod—Rough and Fine Turning operation—Drill—Tapping
All Parts Ready To:Assembly—Pressure Test—Filling Oil—Spray Paint—Checking—Storage
Quality Value:
Roller shell material:50Mn
Surface Hardness:HRC53-56
Quench depth:>7mm
Roller shaft material:45#
Surface Hardness:HRC53-56
Quench depth:>2mm
End Cover material:QT450
Product detail pictures:





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We're commitment to offer you the competitive price ,remarkable products excellent, also as fast delivery for Manufacturer for Crawler Tractor Undercarriage Parts - Best-Quality dozer carrier roller – Jinjia, The product will supply to all over the world, such as: Greenland, Honduras, Slovenia, During the development, our company has built a well-known brand. It is well highly acclaimed by our customers. OEM and ODM are accepted. We are looking forward to customers from all over the world to join us to a wild cooperation.
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.



