Part Name: Track roller SF
Part No:175-30-00760
fit model: D150A-1,D155A-1-2, SD32
Unit weight 118 kg
Roller body Material:40Mn2
roller Collar:QT450
Roller shaft:45# steel
Seal ring: Double Cirlce.
Manfacturing process: Whole roller body with heat treatment.
Roller body Hardness:48-82 hrc.