Double row spherical roller bearing 21316 E: E: Two pressed steel window cages, inner rings without spur collars, loose guide ring centered on the inner ring or window cages, Seal: Without seal, Bearing inner diameter: 80mm, Bearing width B: 39 mm, Bearing outer diameter: 170mm, Cage: Steel cage, Radial Clearance: CN, Bore type: Cylindrical bore, EAN: 7 316577 742285.