High Durability Track Carrier Rollers R50 R55 HYUNDAI Excavator Parts is for sale

Forged roller shell with uniform grain structure to resist impact and deformation under the track’s tension.

Heat-treated components: Roller tread hardness HRC 50–58 (hardened layer depth: 4–8 mm) for wear resistance; shaft core hardness HRC 28–32 for toughness.

Double floating seals (high-chromium alloy, HRC 65–70) to prevent oil leakage and block contaminants (dust, mud, water) in harsh environments.

Nitrile rubber O-rings with temperature resistance (-40°C to 120°C) for reliable long-term sealing.