$178.38 (as of 23/02/2020 05:29 PST details )
Features:
- Linear bearing ball carriage, 500 series, Standard
- Size 20, 25.5 mm high x 63 mm wide x 71.5 mm long
- Bearing quality steel for strength
- Low drag longitudinal seals for added protection on rail
- 0.03 C Preload