Item Package Quantity: 6 x Bottom Rollers
Application:
Part Number: 7323310
For Bobcat T870 CTL Track Loader Undercarriage
Specifications:
Bottom Roller Weight: 72.75 pounds
Package Dimensions: 8.66" x 8.66" x 9.05"
Color: Black
Material: 50 MnB Steel
Surface Hardness: HRC52-60, 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. Operating temperature range -20℃ to 110℃.