Fits Yanmar VIO50 Excavator - Heavy Duty Bottom Roller - Undercarriage

Item specifics: Compatible Equipment Make: Yanmar Model: VIO50 Part Type: Bottom Roller Compatible Equipment Type: Excavator Description： 1. Shell Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm. 2. Side cover : QT450-10. Strength is as follows Tensile strength σb (MPa): ≥450 Yield strength σ0.2 (MPa):≥310 Hardness:160 ~ 210 hb 3. Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm. 4. Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28. 5. Bolt, grade 12.9, HRC45-52. 6. 6. Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃. Why choose us? What are the advantages of our product? 1.This bottom roller is a durable undercarriage replacement part for your excavator. 2.Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention. 3.Sealed bearings stop dirt, mud, and grime from penetrating inner components. 4.It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. 5.It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.

• Compatible Equipment Make: Yanmar; Model: VIO50; Compatible Equipment Type: Excavator
• Material 50Mn, through hardened HRC 25-28, CASE hardened HRC52-56, hardened thickness 5-8mm.
• Roller, 45# carbon steel or 40Cr, quenched HRC25-30, surface quenched HRC52-58, hardened to a depth of 2-3mm.
• Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28.; Bolt, grade 12.9, HRC45-52. 6.
• Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.; Buy with no worry-8 months warranty