cage material: Koyo NRB GB-2 1/2 5 Drawn Cup Needle Roller Bearings

bore diameter::0.1563 in; cage material::No Cage; outside diameter::0.2812 in; precision rating::Not Rated; overall width::0.312 in; series::GB; drawn cup type::Open Ends with Full Complement; lubrication hole type::No Hole; closure type::Open; standards met::ANSI/ABMA 18.2, ASTM F216;