The 10 series is a high-precision toothless four-point contact ball slewing bearing designed for light and medium-duty rotary machinery requiring reliable rigidity, flexible drive compatibility and low-maintenance operation. Adopting mature industrial-grade design concepts, this gearless slewing ring series cancels all gear tooth structures, focusing purely on stable rotary motion and universal mechanical adaptability.
Machine tools and robotics
Palletizers and handling equipment
Construction machinery such as cranes and excavators
Solar tracking systems
Radar and antenna positioning systems






| Inquiry | Drawing Number | Brand | Drawing No. | Dimensions And Weight | Mounting Holes | Load Ratings | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outside Diameter,Outer Ring | Outside Diameter, Outer Ring,Spigot | Inside Diameter,Inner Ring | Inside Diameter, Inner Ring,Spigot | Inside Dia Outer Ring | Outside Diameter Inner Ring | Weight | Pitch Arde Diameter Outer Ring | Number Of Holes Outer Ring | Pitch Arde Diameter Inner Ring | Number Of Holes Inner Ring | Static | Dynamic | ||||||
| Da [mm] | Daz [mm] | di [mm] | Diz [mm] | Di [mm] | da [mm] | G [kg] | La [mm] | na | Li [mm] | ni | Co rad [kN] | Co ax [kN] | Crad [kN] | Cax [kN] | ||||
All standard models of the 10 series come with pre-drilled precision mounting holes to simplify installation, positioning and routine upkeep. Featuring a slim sectional profile and low rotational torque, the bearing fully adapts to modern mechanical design trends of lightweight structure and energy-efficient operation. In standard medium-load working scenarios, the four-point contact ball structure provides smoother rotation, lower operating noise and better cost performance than traditional heavy-duty roller slewing bearings.
This type toothless four-point contact ball slewing bearings are widely utilized in solar tracking equipment, automated rotary work platforms, light construction machinery, aerial work devices and port auxiliary mechanical systems. Every unit undergoes complete factory quality inspection, including dimensional tolerance testing, hardness verification and dynamic load simulation testing to ensure stable and reliable batch quality. Custom internal clearance adjustment, special dimensional machining and anti-corrosion surface treatment services are available to meet diverse personalized application demands.




