FeaturesHigh carbon chrome ball bearing steel Made with steel, this bearing offers excellent hardness and strength for longlasting performance.Spherical raceway roller way type The unique design of the roller way ensures smooth movement and reduces friction, providing enhanced functionality.Compact dimensions With an inner diameter of 12mm, outer diameter of 39.3mm, and thickness of 20mm, this bearing is suitable for various industrial applications.Fine polished surface The bearing's finely polished surface not only enhances its aesthetics but also improves smoothness, ensuring efficient operation.Durable craftsmanship Crafted with precision and attention to detail, this bearing offers exceptional durability and a long service life, providing reliable performance over time.Features:The bearing is made of high carbon chrome ball bearing steel which is of good hardness and strength.The roller way type of the bearing is spherical raceway.The inner diameter is 12mm,the outer diameter is 39.3mm and the thickness is 20mm.Fine polished surface provides great smoothness.Well craftsmanship provides durability and long service life.Specification:Item Type: Track Guide Roller BearingModel:LFR520114 KDD/LFR520114 NPP(Optional)Size:(Inner Diameter x Outer Diameter x Thickness)12 x 39.3 x 20mm / 0.47 x 1.55 x 0.79inMaterial:High Carbon Chrome Bearing SteelRoller Way Type: Spherical RacewayPackage List:1 x BearingPackage List