Heavy Duty Bottom Roller Replacement for John Deere 50G Excavator Undercarriage - Durable Track Roller for Construction & Mining Equipment

Package Include: 1 x Track Roller Application: Fits John Deere 50G Excavator Undercarriage Heavy Duty Specifications： Brand: Cubauto Bottom Roller Weight：22.05 pounds Package Dimensions：6.69"X6.69"X10.6" Color: Black Material: 50 MnB Steel Surface Hardness: HRC52-58, Deepth:5mm-10mm Finish:Smooth Technique: Forging and Casting Description： 1. Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm. 2. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb. 3. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm. 4. Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28. 5. Bolts, grade 12.9, HRC 45-52. 6. Seal: nitrile rubber. Operating temperature range-20℃ to 110℃. Why choose us? What are the advantages of our Cubauto Bottom Roller? 1.This bottom roller is a durable undercarriage replacement part for your excavator. 2.Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention. 3.Sealed bearings stop dirt, mud, and grime from penetrating inner components. 4.It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. 5.It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.

★Roller Specifications：Surface Hardness HRC52-58, Deepth5mm-10mm;Technique Forging and Casting;Material 50 MnB Steel;Model For John Deere 50G; Part Type Bottom Roller

★FitmentBottom Roller For John Deere 50G Excavator Undercarriage Heavy Track Roller; It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.

★High Quality This bottom roller is a durable undercarriage replacement part for your excavator. Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention.

★Good Design Sealed bearings stop dirt, mud, and grime from penetrating inner components. It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel.

★After-sale Guarantee If you have any questions, please contact us, Cubauto will do our best to solve it for you and give you the best purchase experience. 8 Months WARRANTY, worry-free return or exchange

★Product advantageGood Wear Resistance;Reliable Bearing Sealing;Low Rolling Resistance;High Temperature Resistance;Premium Hardness Material;Wooden Crate Packaging