... Precision Four Point Contact Ball Slewing Bearing(HOT SALE) Slewing bearings are ball or cylindrical roller bearings which ... executions- without gears, with an internal gear and with an external gearID ... SIZE60-4000mmQuality StandardISO9001:2000 STANDARDPlearanceP0,P6,P5,P4,P2Clearance C2,C3,C4,C5Delivery20-30 daysOEM ServiceAvailablePackingWood Case Four Point Contact Ball ...