• HRW21 CAUU | HRW21CAUU• Weight: 0,25, Series: 21 series, Seal: End seals, Lubrication & Maintenance: Can be relubricated (via the lubrication nipple), Tolerance class: THK normal class, Temperature range: -20 to +80 °C, Design: Flange carriage, Type of rolling elements: Balls, Ball-/Roller rows: Four-row, Ball chain: Without ball chain, Material: Steel, plastic, Preload: Normal preload, Version: Standard version