FAG Single Row Spindle Ball Bearings are super precision, single row angular contact ball bearings. B71913-C-2RSD-T-P4S-UL has very narrow tolerances, these bearings are particularly suitable for applications involving the highest requirements for guidance accuracy, such as bearing arrangements for main spindles in machine tools. With a bore of 65mm, width of 90mm and an outside diameter of 13mm, they have a contact angle of 15 degrees and are classified as a Light Preload |