NART45UUR Track Roller Bearing 45x85x32NART45UUR Single Row Ball Bearing 45mm x 85mm x 32mm One Bearing NART45UUR Track Roller Single Row Bearing, bearing is a Sealed, Bearing inner diameter is 40mm, Bearing outer diameter is 80mm and Bearing width is 32mm. Item: NART45UUR Bearing Type: Track Roller Single Row Bearing Size: 45mm x85mm x 32mm Bearing Inner Diameter: 45mm Bearing Outer Diameter: 85mm Bearing Width : 32mm Quantity: One Bearing