IR42x47x30 Budget Brand Needle Roller Bearing Inner Ring 42x47x30mm

IR42x47x30 Budget Brand Needle Roller Bearing Inner Ring 42x47x30mmInner rings IR are made from hardened rolling bearing steel and have precision machined or ground raceways Inner rings are used where the shaft cannot be used as a raceway for needle roller bearings and cage assemblies, drawn cup needle roller bearings with or without open ends. Needle roller bearings must be combined with wider inner rings in order to allow largel axial displacements of the shaft in relation to the housing