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Bottom Roller for Bobcat Excavator Mt50 Mt52 Mt55 Mt85 Mini Track Loader 7109409

Price $153.00
Min Order 10 Pieces
Availability In Stock
Shipping From Fujian, China
Popularity 510 people viewed
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After-sales Service:
Within 20-30 Days After Contract Established
Warranty:
2000 Hours
Type:
Undercarriage Parts
Application:
Excavator
Certification:
CE, ISO9001: 2000
Condition:
New
Material:
40mn2/50mn/35mnb
Colors:
Yellow/Black
Technique:
Casting/Forging
MOQ:
1 Set
Product:
Crawler Bulldozer Carrier Roller Excavator Top Rol
Hardness:
HRC52-58, Depth: 8-12mm
Trademark:
DZR
Transport Package:
Pallet
Specification:
200 KG
Origin:
Xiamen, China
HS Code:
84314990
Product Description
Product Description
  1. Shell
    The shell is made of 50Mn material. It undergoes through - hardening with a hardness of HRC 25 - 28, and case - hardening with a hardness of HRC 52 - 56. The hardened thickness is 5 - 8mm.
  2. Side Cover
    The side cover is made of QT450 - 10. Its strength parameters are as follows:
  • Tensile strength σb (MPa): ≥450
  • Yield strength σ0.2 (MPa): ≥310
  • Hardness: 160 - 210 hb
  1. Roller
    The roller is made of either 45# carbon steel or 40Cr. It is quenched to a hardness of HRC 25 - 30 and surface - quenched to a hardness of HRC 52 - 58, with a hardened depth of 2 - 3mm.
  2. Locking Pin
    The locking pin is made of 65Mn or 45 carbon steel, and it is hardened to a hardness of HRC 25 - 28.
  3. Bolt
    The bolt is of grade 12.9, with a hardness of HRC 45 - 52.
  4. Seal
    The seal is made of nitrile rubber. Its operating temperature range is from - 20ºC to 110ºC.
This bottom roller is a durable replacement part for the excavator's chassis. It uses special high - strength hardened steel and high - quality sealing components, which can effectively retain lubricating oil. The sealed bearings prevent dirt from penetrating inside. Manufactured according to OEM standards with high - quality steel, it can operate stably and lastingly even under extreme working conditions.

Part name:7109409

All of our new parts and products are covered under our full One Year Warranty.
Product Parameters
Part TypeBottom Roller
Compatible Equipment TypeExcavator
Compatible Equipment MakeBobcat
ModelMT50 MT52 MT55 MT85
Item Weight28.66 LB
Material50 MnB Steel
TechniqueForging and Casting
Warranty6 Months
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