top carrier roller
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Liebherr Undercarrige Parts Top Carrier Roller For R944
Liebherr Undercarrige Parts Top Carrier Roller For R944 Carrier Roller adopts forged shaft, imported oil seal, and the national standard 45# or 40CR steel is used as raw material, after overall quenching and tempering and intermediate frequency heat treatment. the surface hardness can reach HRC54-59,and the hardened layer can reach 2-3MM,(HRC45)above, after rough surface grinding and fine grinding, the surface roughness RA0.4 or less. The high-standard production and processing load-bearing shaft has excellent mechanical properties against wear, high load and high rigidity, which greatly prolongs the service life of the assembly.
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