Koyo - Needle Roller Bearing M-661

Best used to provide maximum radial load capacity (full complement of rollers, no cage) for thin cross section applications | A hardened and machined shaft or an "IR" Inner Ring is required for optimal performance | A press fit into the housing is required | Available with an oil hole (-OH) | Available with a precision ground outside diameter (GB style) for applications that require higher precision and/or two bearings mounted side by side | Available with heavy duty rollers (BH style) for applications that require maximum radial load capacity | Available with a closed end (M)