WS SERIES AXIAL ROLLER BEARINGWS-series axial roller bearing shaft locating washer is designed for use with INA K-series axial cylindrical roller and cage assemblies in applications where adjacent components cannot serve as raceways. This shaft locating washer (inner ring) is mounted on the shaft and serves as a raceway surface for the rolling elements. The raceway, bore diameter, and outside diameter are precision machined for tighter tolerances than unground surfaces. The washer is made of low alloy, through-hardened chromium steel for durability, heat tolerance, and resistance to deformity under heavy loads, and it can be used at operating temperatures from -20 degrees C to 120 C (-4 degrees F to 248 F). This shaft locating washer is manufactured to PN (normal) tolerances in accordance with Deutsches Institut f체r Normung (DIN) 620, and it is suitable for use in various applications including machine tool drive shafts, automotive steering gears and clutches, rotary tables, outboard motor propellers, and household appliances.SpecificationsDimensional and geometrical tolerancesDIN 620, tolerance class PNBoundary dimensionsDIN 616/ ISO 104Through-hardened steelISO 683-17Shaft bore toleranceh8System for creating part numbers for rolling bearingsDIN 623-1