Thin section bearings, slewing ring bearings, bearing remanufacturing | Kaydon Bearings Kaydon Bearings manufactures slewing ring bearings and thin section bearings, and provides custom engineering and design assistance for any bearing application. Use our online catalogs to choose stand Kaydon Bearings manufactures slewing ring bearings and thin section bearings, and provides custom engineering and design assistance for any bearing application. Use our online catalogs to choose standard or custom bearings for your design application.