Closed Pillow Block with a Linear Ball Bearing of 40mm ID (inner diameter) inside a housing made of aluminum alloy. Durable Heat Treated Alloy Steel Shell for durability, low coefficient of friction for speed and resin retainer for low noise operation.

• Temperature Range: -4/+176°F (-20/+80°C)
• Variant ID Sizes: Available from 1/4" to 2” Inch Series,  8mm to 50mm Metric 
• Interchangeable: Size interchangeable with industry standards and our Simplicity plain linear bearing series
• Low Coefficient of Friction: Ensures smooth operation
• Heat Treated Alloy Steel Shell: Provides durability
• Resin Retainer: Reduces noise
• Double Seals: Included as standard at no additional cost