The surface hardness can reach 56 – 62 HRC, and the hardness depth is 6 – 8 mm. This can improve the wear – resistance of the roller surface and prolong its service life.
Main Dimensions
The dimensions of the Cat 422 – 1051 track roller, which may be applicable to E55, are as follows:
Width: 8.07 inches (about 204.98 mm).
Tread Diameter: 8.76 inches (about 222.50 mm).
Flange Diameter: 10.02 inches (about 254.51 mm).