... lubrication holes (oil holes), and seals, which can make the host be an compact design, easy to guide and maintain.• Slewing ... slewing bearings.In the same force cases, becausethe diameter of the bearing can be greatly reduced.Hence the characteristicsof the host is more ... bearing for ladle turret, bearing for shield, bearing on the radar,export bearing, export slewing bearing, slewing turnable bearing ...