• BB1-3055 B | BB13055B• Inner dimension: 20, Outer dimension: 52, Width: 12, Weight: 0,136, EAN: 7316571180618, Tolerance class: Tolerance class P0/PN2 / ABEC 1, Material: Standard bearing steel, Outer ring: Without flange/groove, Seal: None, open bearing, Clearance: Normal radial clearance, Current insulation: No current insulation, Bore: Cylindrical bore, Temperature range: -20 to +120 °C, Material of rolling elements: Standard bearing steel, Ball rows: Single row bearing, Cage: Sheet steel cage