Technology Sourcebook
www.foodengineeringmag.com/articles/96533-regal-beloit-sealmaster-mounted-ball-bearing

Regal Beloit SealMaster mounted ball bearing
March 3, 2017
The Regal Beloit SealMaster large bore Performance Gold Line mounted ball bearing has an axial groove in the inner ring bore; the feature is available in medium 2 7/16-in. and up and standard 2 11/16-in. and up shaft sizes. The design provides clearance from the burr created by the setscrew used to lock the bearing to the shaft.
Regal Beloit Corporation; www.regalbeloit.com