Positioner slewing bearing ring, slew ring bearing, turntable bearing, balbearing, roller bearing We are slewing bearing manufacturer in China, Products Type: Single-row four-point contact balseries. Single-row crossed roller series. Double-row balseries. Three-row roller series. Roller and balcombination series. Light type profile slewing bearing. Slew Drive. Phosphating slewing ring bearing Quenching slewing ring bearing Advantages: Have stronger loading capacity and convenient compare to normabearings Can Bear Radiaand Axiaforce Passed ISO9001 Certificate Speciadesigns available Using fields: Construction Machinery Like Cranes, Excavators, Mining/Heavy Equipments, Port/Marine Machinery; Light Industry Like Food Machinery, Packing Machinery, MetallurgicaMachinery, SteeWorks Equipment, Sewage Treatment Plant; Wind Power Field; AgriculturaMachinery; Military Products. Slewing bearing Diameter 200-4000 mm We can produce according to supplied sample We have the ISO 9001 certification