Track Roller Bottom Roller Application:
Fits Bobcat T870 CTL Track Loader Undercarriage
Package Include:
1 x Track Roller Bottom Roller
Specifications:
Bottom Roller Weight:72.75 pounds
Package Dimensions:8.66"X8.66"X9.05"
Item Package Quantity:1x Bottom Roller
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℃.