The BCHA15 is a cylindrical press-fit ball transfer unit. It features an 8.73 mm (0.34 in) main steel ball housed in a 15 mm outer diameter body, designed primarily for smooth, omnidirectional movement in conveyors and material-handling arrays. Model BCHA15 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description BCHA15 bearings typically refer to a type of press-fit ball transfer unit (Ball Rollers). Unlike traditional rotary ball bearings, these bearings