J24BAThe Bearings With A Coated Bore Correspond In Their Dimensions And Tolerances To And Are Interchangeable With The FAG Standard Bearings For Vibratory Machinery. For Bearings 22317-E1-T41D To 22330-E1-T41D, The Cylindrical Bore Coated With Durotect® CK Is Standard. For Further Information On This Matter, Please See Our Publication Ppd, FAG Special Spherical Roller Bearings With Durotect® CK Plating In The Bore. For Bearings Outside This Bearing Bore Size Range, Suffix J24BA Must Be Indicated In The Ordering Designation For A Coated Inner Ring Bore