• HR2042 UU 2pcs. | HR2042UU2pcs.• Weight: 0,26, Design: Block carriage, Preload: Normal preload, Ball chain: Without ball chain, Seal: End seals, Temperature range: -10 to +100 °C, Lubrication & Maintenance: Can be relubricated (via the lubrication nipple), Type of rolling elements: Balls, Series: 20 series, Ball-/Roller rows: Double-row, Tolerance class: THK normal class, Material: Steel, plastic