Description
4PCS Track Roller Bottom Roller Undercarriage FIT Bobcat T190 Excavator 6689371. Application: Fits 6689371 Bobcat T190 Bottom Roller. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 ~ 210 hb. Roller : 45 # carbon steel or 40 Cr. Store Home