Twin linear ball bearing pillow blocks, open shelled, with a 1/2" ID (inner diameter) crowned shell bearing inside an aluminum alloy housing. Part of the Precision Plus self-aligning series, the IPPS twin bearings feature two grease zerk fittings, known as lubrication ports, located in the pillow block.

• Open shell design for use with rail supported round linear shafts
• 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
• Polymer Cage Resin Retainer: Reduces noise
• Double Seals: Included as standard at no additional cost