• 61904-2Z | 619042Z• Inner dimension: 20, Outer dimension: 37, Width: 9, Weight: 0,036, EAN: 4012802402629, Outer ring: Without flange/groove, Seal: Cover on both sides, Clearance: Normal radial clearance, Cage: Sheet steel cage, Bore: Cylindrical bore, Tolerance class: Tolerance class P0/PN2 / ABEC 1, Temperature range: -20 to +120 °C, Current insulation: No current insulation, Material: Standard bearing steel, Ball rows: Single row bearing, Material of rolling elements: Standard bearing steel