Upgrade Caterpillar CAT 289D Track Roller- Bottom Roller Replacement for Caterpillar CAT 289D Compact Track Skid

Key features

• Track Bottom Roller The MIONLVE bottom roller was made of durable material which is totally corrosion and dust resistant, each item has been factory tested and meets or exceeds OEM specifications
• Extra DurableThis 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
• Advanced TechniqueIt 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
• More Details Color: Yellow; Material: 50 MnB Steel; Bottom Roller Weight：70.55 pounds; Package Dimensions：8.66" x 8.66" x 9.05"; Surface 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: Smooth; Technique: Forging and Casting
• CompatibilityCompatible with Caterpillar CAT 289D Compact Track Skid Steer Loader Bottom Roller Track Roller. Please confirm the item if it matches your need before you purchase

Package Include: 1 x Bottom Roller Application: For CAT 289D Specifications： Bottom Roller Weight：70.55 pounds Package Dimensions：8.66"X8.66"X9.05" Item Package Quantity：1 x Bottom Roller Color:Yellow Material: 50 MnB Steel Surface Hardness: HRC52-60, Deepth:5mm-10mm Finish:Smooth Technique: Forging and Casting Track Roller Features: 1. Wheel body: forged from 50Mn round steel with good hardenability. The heat treatment process of quenching and tempering and medium frequency surface quenching ensures its strength and wear resistance. two pieces roller shell rim. Heat treated shells for body strength and longer wear life. Heat treated for a deep uniform hardened depth that provides wear life equal to link wear life. 2.Roller shaft: shaft and bearing designed to carry and turn with heavy track weight forged and heat treated for strength. Bearing surfaces are hardened and polished to reduce friction and wear Center flange absorbs side thrust from roller shell. 3.Cast Iron bushing: Supports the bronze sleeve bearing. Cast from iron to absorb loads without permanent deformation. Large lubricant reservoir to reduce heat build up 4.Bronzed sleeve bearing: Sleeve design provides a l

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