Technical Information High Precision Ball Bearings New GMN Precision Classes P4+ and UP+TOLERANCES The tolerances for dimension, shape and running accuracy of high precision ball bearings are specified in national and international standards. GMN high precision ball bearings in P4+ and UP+ are manufactured on the basis of precision classes P4 and P2. These tolerance classes correspond to the ISO and ABMA classifications (tolerance symbols per DIN ISO 1132-1). Inner ring dimensions in pm We reserve the right to make technical modifications, typographical errors and mistakes. GMN Paul Muller Industrie GmbH & Co. KG AuGere Bayreuther Strafe 230 • D-90411 Nurnberg [email protected] www.gmn.de

Technical Information High Precision Ball Bearings New GMN Precision Classes P4+ and UP+TOLERANCES Comparison of international tolerance standards (tolerance symbols per DIN ISO 1132-1) We reserve the right to make technical modifications, typographical errors and mistakes. GMN Paul Muller Industrie GmbH & Co. KG AuGere Bayreuther Strafe 230 • D-90411 Nurnberg [email protected] www.gmn.de