SKF 30203J2 Metric Single Row Taper Roller Bearing 17x40x13.25mm SKF Taper Roller Bearings: These bearings have tapered inner and outer raceways between which tapered roller are arranged. The design of taper rollers makes them particularly suited to accommodating combined axial and radial loads. They are supplied as a cup and cone set (inner and outer). Benefits: Used widely in transmissions, can be used in oil or greased, high radial and axial load Brand / Quality: SKF - High Quality Inside Diameter: 17mm Outside Diameter: 40mm Width: 13.25mm Seals / Shields: None