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hot sale SK450 SK200 Kobelco Undercarriage Parts Heavy Machinery Track Roller

Model: SK200 Material: Typically 40Mn2 or 50Mn alloy steel Surface Treatment: Smooth finish with anti-corrosion coating Warranty: 6–12 months (1,000–2,000 working hours) Main Dimensions (mm) Outer Diameter: 185 Flange Outer Diameter: 150 Tread Diameter: 173 Track Chain Guide Width: 220 Roller Shell Width: 310 Bolt Hole Pattern: 353 Total Roller Width: 230 Shaft Diameter: 19.5 Bolt Hole Diameter: 110