Timken Deep Groove Ball Bearings | Part # 203KL ATTRIBUTES: OUTSIDE DIAMETER INCH: 1.575 OUTSIDE DIAMETER MM: 40 ENCLOSURE TYPE: Contact Seal SEAL TYPE: 1 Seal SNAP RING: No ROLLING ELEMENT: Ball Bearing PRECISION CLASS: ABEC 1 CAGE MATERIAL: Steel INTERNAL FIT / PRELOAD: C0 SNAP RING GROOVE: No INNER RACE WIDTH: 0.538 inch INNER RACE WIDTH: 13.67mm OUTER RACE WIDTH: 0.472 inch OUTER RACE WIDTH: 12 mm