KA090CP0 Thin Section Bearing ID 9" OD 9-1/2" Width 1/4"KA090CP0 Slim Type Ball Bearing 9" ID x 9 1 2" OD x 1 4" Wide Brass Cage Open Style The KA090CP0 is a precision slim section bearing with a 1 4" cross section, made to handle big diameters while keeping the footprint super narrow. Its open style for light weight and easy access, and features a solid brass cage for reliable ball separation and stability in high speed, low friction setups. Size: 9" ID x 9. 5" OD x 0. 25" Width Type: Slim Section Ball