JCT has the ability to cast and machine parts in a wide variety of diameters. While this part is approximately 14″ in diameter, JCT has the capability to produce components up to 78″ in diameter. This parts’ function is to house tapered bearings within its square openings. The bearings are inserted into the square openings and cinched on the sides, via Hydraulic press – enough to contain the bearings. The Race is then ready for final assembly.