Feature●APPLICATION: Universally used in Go Karts, Lawn Mower, Mini Bikes, 99502HNR, 499502H, 202FFBL and More●SIZE: ID 5/8" x OD 1-3/8" x Total Height 7/16" (Please kindly check the size before purchase)●MATERIAL: High quality steel with double seal, pre-lubricated/greased from the manufacturer, low friction coefficient and stable performance●FEATURES: The bearing internal clearance is slightly larger, compensate for thermal expansion; it supports both radial and axial loads; Double seal help to save grease and effectively protect grease from Impurities; Smooth rotation with low vibration, durable in use●SATISFACTION GUARANTEE: If youre not 100% satisfied with Sunluway 99502HNR Ball Bearings, simply return it for a full refund in 30 days. Premium Support & 12-Month WarrantyDescription