Twin Pillow Block Linear Ball Bearing IPPSW08G 1/2" Closed - Self Aligning Precision Plus

Twin Linear Ball Bearing, closed shell, with a 1/2" ID (inner diameter) inside a housing made of aluminum alloy. It is self-aligning due to a crowned bearing shell inside the housing. The IPPS products all come with a grease zerk fitting, a small hole in the pillow block which is also called a lubrication port. Twin bearings come with 2 lubrication ports.

• Twin/Double size equal to two standard bearings mounted back-to-back
• 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 Polymer Cage: Reduces noise
• Double Seals: Included as standard at no additional cost