About Standard Locknut

For over 75 years Standard Locknut has been a leading manufacturer of high quality, precision engineered Mounted Bearings and Accessories. Our product range is one of the most extensive in the market offering products with shaft sizes from 1-3/8″ to 50″ in both standard and customized products. We are proud to be a U.S. based company with headquarters and manufacturing in Westfield, IN.