Bottom Roller Track Roller for Kubota KX057-4, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST, U55 and U55-4 Excavator Undercarriage

Fitment Guide:For KX057-4, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST, U55 and U55-4It does not fit KX057-5 or KX161-2Specifications：Color:BlackMaterial: 50 MnB SteelSurface Hardness: HRC52-58, Deepth:5mm-8mm 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℃.Finish:SmoothTechnique: Forging and CastingNote:Please confirm the item if it matches your need before you purchase.Description：This bottom roller is a durable undercarriage replacement part for your excavator. Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention. Sealed bearings stop dirt, mud, and grime from penetrating inner components.Made of durable material which is totally corrosion and dust resistant, each item has been factory tested and meets or exceeds OEM specifications.It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. It will provide long-lasting and dependable performance even if you operate in the most extreme conditions.Package Include:1x Bottom Roller

• 【Size】:Material: 50 MnB Steel,Surface Hardness: HRC52-58, Deepth:5mm-8mm,Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28. Bolt, grade 12.9, HRC45-52. 6.
• 【Fits For】:Fit for KX057-4, KX161-3, KX161-3S, KX161-3ST, U45S, U45ST, U55 and U55-4,It does not fit KX057-5 or KX161-2
• 【Functional】This bottom roller is a durable undercarriage replacement part for your excavator. Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention.
• 【Design】Sealed bearings stop dirt, mud, and grime from penetrating inner components. It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel.
• 【Excellent Service】Professional Installer is Highly Recommended; If you have any questions,We will answer your questions 24 hours a day