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| Type | Cast Light-Load Top Roller, Forged Heavy-Duty Top Roller | Model | D11T,D10N,D9R,D8T, D475A,D375A,D355A/D275A,D155A, D65A, PC200, PC650,PC1250,PC2000,E390,E374,E349,SY215,SY375,SY980,EX1200,EX200,XE215,XE335C,XE1250,XE2000 |
| Params | 40Mn2 / 50Mn; Surface hardness: HRC48-56; Quenching depth: 4–8mm; Load capacity: fit 5–80 ton machinery; Matching model: CAT, Komatsu, Hitachi, Sany, SDLG, Shantui; Working temperature: -30°C to 60°C | Material | 40Mn2/50Mn |
| Applicable Industry | Mining Engineering, Road Construction, Earthmoving, Landscaping, Municipal Works, Quarry Site | ||
1. Integral forging forming for heavy-duty version, dense metal texture, strong impact resistance; 2. Automatic medium-frequency quenching, 4-8mm deep wear-resistant layer, long service life; 3. Multi-layer composite oil seal, anti-leakage and high temperature resistant; 4. Complete mainstream machinery model stock, fast delivery; 5. Support ODM customization, free logo engraving; 6. 12-month quality warranty, full-process inspection before shipment

Top Roller THE FUNCTION OF THE CARRIER ROLLER IS TO SUPPORT THE TRACK AND PREVENT THE TRAFROM SAGGING TOO MUCH, SO AS TO REDUCE THE TRACK IN JUMPINPHENOMENON DURIMOVEMEPREVENTS THE TRACK FROM SLIDING SIDEWAYS