Bearing Tolerances

Ball and roller bearings are manufactured to a number of specifications with each having classes that define tolerances on dimensions such as bore, outside diameter, width and runout.

Learn more about bearing tolerances by referencing our Help Guide.
Don’t know your part number? Try our Bearing Search tool.

Important Note: The accuracy of this technical review is dependent upon the validity and completeness of information supplied to Timken. Actual product performance is affected by many factors beyond the control of Timken. Therefore, the suitability and feasibility of all designs and product selection should be validated by you. For the above reasons, this review is submitted solely to provide you, a customer of Timken or its parent or affiliates, with data to assist you in your design. No warranty, expressed or implied, including any warranty of fitness for a particular purpose, is made by Timken by the submission of this review. Timken products are sold subject to Limited Warranty which is set forth in Timkenā€™s terms and conditions of sale.