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

High Durability Construction: 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. Advanced Sealing System: Double floating seals (high-chromium alloy, HRC 65–70) to prevent oil leakage and block contaminants (dust, mud, water) in harsh environments.…

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

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