The double flange slewing bearing is a highly adaptable rotational component developed for applications where both the inner and outer rings require direct flange mounting to their respective structures. This symmetric design features flanges on both rings, offering a practical and efficient solution for equipment where installation simplicity, structural stability, and even load distribution are essential.
Compact crane turntables and winch drives
Aerial work platforms and lifting equipment
Solar tracking systems with space constraints
Light to medium-duty industrial turntables
Packaging and handling machinery
Equipment requiring flange mounting on both rings




| Inquiry | Type | Brand | Drawing No. | Dimensions And Weight | Mounting Holes | Load Ratings | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outside Dia Outer Ring | Inside Diameter,Inner ring | Inside Dia Outer Ring | Outside Diameter Inner Ring | Dia Outer Ring | Dia 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] | di [mm] | Di [mm] | da [mm] | a [mm] | b [mm] | G [kg] | La [mm] | na | Li [mm] | ni | Co rad [kN] | Co ax [kN] | Crad [kN] | Cax [kN] | ||||
This bearing series comprises an inner ring with an integral flange, an outer ring with an integral flange, and a single row of steel balls arranged between precision-ground raceways. The four-point contact ball geometry enables the bearing to support axial loads in both directions, radial loads, and tilting moments simultaneously within a single, compact row of rolling elements.
Both rings are manufactured with broad, flat flanges that provide generous mounting surfaces, allowing direct bolted attachment to the machine structure without the need for adaptor plates or intricate mounting brackets. This dual-flange design ensures accurate alignment during installation and promotes even load distribution across both rings, reducing stress concentrations and improving long-term reliability.


