Linear ball bearing, double-sized and closed, with an 8mm ID JIS Metric, featuring a double wide heat-treated alloy steel shell for greater durability and higher load capacity under cantilevered conditions. Double seals add protection, a low coefficient of friction enables higher speeds, and a resin retainer polymer cage reduces noise.

• JIS Metric (Japanese Industrial Standards) for various machines made in Asia
• Double size is the equivalent of two standard-sized bearings mounted back to back
  
• Closed Heat Treated Alloy Steel Shell provides durability
• Temperature Range: -4/+176°F (-20/+80°C)
• Size interchangeable with industry standards and our Simplicity plain linear bearings
• Low Coefficient of Friction enhances speed
  
• Resin Retainer Polymer Cage reduces noise
• Double Seals included as standard at no additional cost