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.
1.2496 inches minimum and 1.2500 inches maximum overall outside diameter, 1.0470 inches minimum and 1.0770 inches maximum distance between retaining rings, 1.6250 inches nominal overall length, rigid alignment type, straight bore shape