A cylindrical device, containing three or more oblong ball circuits complete with a retainer to guide the balls in their proper path, specifically designed for use on sliding linear motion shafts to minimize friction and wear.
ground surface finish, 0.5000 inches nominal working bore diameter, 1.2300 inches minimum and 1.2500 inches maximum overall length, 0.8750 inches minimum and 0.8755 inches maximum outside diameter