• SSR20 XWSSC1 | SSR20XWSSC1• Weight: 0,32, Version: Small design, Seal: End seals, sealing strips and inner seals, Lubrication & Maintenance: Can be relubricated (via the lubrication nipple), Design: Block carriage, Tolerance class: THK normal class, Material: Steel, plastic, Preload: Light preload, Temperature range: -20 to +80 °C, Type of rolling elements: Balls, Ball-/Roller rows: Four-row, Ball chain: With ball chain, Series: 20 series