• UL20 .A16.1/2 | UL20.A16.1/2• Inner dimension: 20, Outer dimension: 47, Width: 14, Weight: 0,115, Tolerance class outer ring: More accurate than P6 or ABEC 3, Seal: None, open bearing, Cage: Without cage with separating balls, Temperature range: -20 to +120 °C, Material: Standard bearing steel, Ball rows: Double row bearing, Contact angle: 16 degree, Tolerance class inner ring: More accurate than P5 or ABEC 5