This Track Roller Bottom Roller Compatible with:
Fits Takeuchi TL8 Track Loader Track Roller Undercarriage
Specifications:
Bottom Roller Weight:77.16 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. Shell
Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm.
2. Side cover : QT450-10.
Strength is as follows
Tensile strength σb (MPa): ≥450
Yield strength σ0.2 (MPa):≥310
Hardness:160 ~ 210 hb
3. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm.
4. Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28.
5. Bolt, grade 12.9, HRC45-52. 6.
6. Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.
