NSK/RHP Super Precision Spindle Bearings: NSK/RHP Super Precision Angular Contact Spindle Bearings are single row angular contact ball bearings. They are manufactured in such a way that they can be mounted in any arrangement without suffering performance losses, and can be combined in different sets. This brings essential logistical advantages, especially in spare parts purchasing and stock-keeping. The bearings can be arranged according to the symbol on the outer ring surface. The NSK range of Super Precision Bearings for main spindles in machine tools is among the most sophisticated in the world and represents the highest-performance technology. This item is supplied as a set of 2 bearings. Benefits: Trusted world-renowned NSK/RHP brand, highest precision, excellent speed ability. Brand / Quality: RHP - High Quality Inside Diameter: 12mm Outside Diameter: 32mm Width: 10mm Seals / Shields: None Style: Universal Matched Pair of Bearings Contact Angle: 15 Degree contact angle Bearing Preload: Medium preload