IR70x80x54 Budget Brand Needle Roller Bearing Inner Ring 70x80x54mm Shields the ribs never sink inside

the ribs never sink inside the pulley

These low profile bearings are only 5/16" thick

Perfect for all quick repairs and all types of small emergency repairs

Heavy-duty cast iron housing construction

Shaft diameter: 90mm

IR70x80x54 Budget Brand Needle Roller Bearing Inner Ring 70x80x54mm Shields the ribs never sink insideInner 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