R4RS (1/4"x5/8"x0.196") is a single-row bearing that supports radial loads, made with Chromium Steel providing superior quality and durability. It comes pre-lubricated and shielded to keep the lubricant in and contaminants, dirt and debris out. ProductSiteLaunchDate : 2019-04-22T07:00:00.000Z Size : 2x5x2.5mm SpecificationMet : Aisi 52100 Style : 6004-ZZ SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 10