SBI offer customer designed slewing bearings as below: More than 20 years of manufacturing and export experience in bearings field 90% of our output to Europe and the US ISO9001:2008 certificate approved, OEM accepted 1) Single-row four-point contact ball slewing bearing 2) Single-row four-point contact ball slewing bearing(with flange) 3) Single-row four-point contact ball slewing bearing(with internal gear) 4) Single-row four-point contact ball slewing bearing(with external gear) 5) Ball-roller type slewing bearing(with gear teeth) 6) Triple-row cylindrical roller slewing bearings(with gear teeth) 7) Four-Point Contact Ball Slewing Bearing(without teeth) 8) Double row four point contact roller slewing bearing 9) Cross roller slewing bearing 10) Cross roller slewing bearing(with gear teeth on inner ring) 11) Cross roller slewing bearing(with gear teeth on outer ring) Application areas: mine machine, port hoisting machine, port oil transfer equipment, onshore and offshore crane; excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generation, other construction and industry machines or equipment.