Twin Plain Linear Bearing Pillow Block - PW08 1/2" ClosedTwin Sized Plain Linear Bearing Pillow Block 1 2" ID, closed, with a precision cut Simplicity plain bearing with the renowned self lubricating FrelonGOLD bearing liner for maintenance free operation, low friction, and durability in extreme conditions like high temperatures, dirt, and vibration. The twin design resembles two blocks positioned end to end Temperature Range: 400F to +400F or 240C to +204C Pillow block of aluminum alloy with holes for