• 70UHC20 .A15.2Z.0/I.DB.L | 70UHC20.A15.2Z.0/I.DB.L• Inner dimension: 20, Outer dimension: 42, Width: 12, Weight: 0,07, Lubrication hole: Without lubrication groove, Material of rolling elements: Si3N4, silicon nitride (ceramics), Temperature range: +40 to +80 °C, Lubrication: High temperature grease, Version: High-speed bearing, Ball rows: Two single row bearings, Material: Standard bearing steel, Current insulation: Insulating ceramic balls, Tolerance class inner ring: More accurate than P2 or ABEC 9, Tolerance class outer ring: More accurate than P4 or ABEC 7, Seal: Non-contact gap seals on both sides, Cage: Hard tissue cage, Arrangement: Set of two bearings in O-arrangement , Contact angle: 15 degree, Preload: Light preload