... Type: 51100, 51200, 51300, 51400, 52200, 52300, 52400, 53200, 53300, 53400, 54200, 54300, 54400 series standard types and 511/50 · Thrust Ball ... loads to achieve their optimum performance Thrust Ball Bearings Inner diameter: 3 ~ 1,000mm Type: 51100, 51200, 51300, 51400, 52200 ... crane turntables, and turntables of drilling machinesType: Thrust Ball Bearing Number:51140 51240 51340 51144 51244 51148 51248 ...