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Heavy Duty Slewing Bearing

Our company has earned high reputation on international market due to our expertise in supply slewing ring bearings with outer diameter exceeding 6,000mm. Our range of heavy duty slewing bearing is popular in industries such as offshore floating crane, stacker and reclaimer, harbor crane and other heavy duty equipment.


By now, we have designed and produced heavy duty slewing bearing with maximum outer diameter of 7,300mm and weight of 30 tons for our clients, and this large diameter bearing have also earned a utility patent.


With state of the art technologies, we are capable of designing and making heavy duty bearings with outer diameter up to 12,000mm. Also, we can supply products with different structures, including three-row roller bearing and ball-roller combination slewing bearing with internal, external, or without gearing. If you have any related demand, please contact us right now! We are confident we can satisfy each of your heavy duty application demands.

Heavy Duty Slewing Bearing

Typical Applications
Model Outer diameter mmBearing structureApplication
134.75.6300.03 6728 Three-row roller (internal gear) 350 tons of offshore wind turbine mounted floating crane
132.70.6300.03 6906 Three-row roller (external gear)400 tons of offshore wind turbine mounted floating crane
132.70.6600.03 7226 Three-row roller (external gear)600 tons of offshore wind turbine mounted floating crane
133.70.6210.03 6606 Three-row roller (internal gear)250 tons of offshore wind turbine mounted floating crane
132.60.5605.03 6024 Three-row roller ( external gear)Shipyard level luffing crane
QZ.6142.45.1.00.4.03 6739 Ball-roller combination (external gear)Stacker and reclaimer
132.75.5500.03 6020 Three-row roller (external gear)250 tons of offshore wind turbine mounted floating crane
132.70.6600.03 7226 Three-row roller (external gear)500 tons of slewing fixed crane


Model 134.75.6300.03 (internal gear)

Model 132.70.6300.03 (external gear)

Model 132.70.6600.03 (external gear)

Processing of Model 132.70.6600.03 with external gear

Application 1: Floating crane

Application 2: Stacker and reclaimer

Application 3: Level luffing crane
Letter of patent

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