I.2.22 2530.D Types

I.2.22 25 30.D Types

I.2.22 25 30.D Types

This double-row ball slewing ring with internal gearing is engineered to deliver a balanced combination of load capacity, rotational precision, and service life. The internal gear layout places the drive interface on the inner ring, offering a streamlined solution for equipment where external dimensions must be minimized while maintaining robust power transmission.



Typical Equipment Applications：

  • Construction machinery including crawler cranes, mobile cranes, and telescopic handlers

  • Excavating equipment such as hydraulic excavators and draglines

  • Material processing and handling systems

  • Port and marine loading equipment

  • Heavy-duty industrial turntables
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  • I.2.22 25 30.D Types
  • I.2.22 25 30.D Types
InquiryBearing TypeBrandDimensionsFixing HolesGear TeethTooth ForceWeight
Da [mm]O [mm]U [mm]Di [mm]Ha [mm]Hb [mm]H [mm]La [mm]nada [mm]Li [mm]nidi [mm]P [mm]mzFz nor kNFz max kNKG

All this standard series models are prefabricated with standard mounting holes to facilitate quick positioning and efficient field installation. With a compact and streamlined cross-section, the bearing realizes an optimal balance between lightweight volume and high load capacity. Compared with conventional single-row slewing bearings, it boasts stronger anti-deformation ability, better load uniformity and quieter operation, showing excellent practical value and cost performance in medium and heavy-load industrial rotary scenarios.

This internal gear double-row ball slewing bearing series is extensively applicable to engineering lifting machinery, aerial work platforms, industrial rotary turntables, port handling equipment, automated rotary devices and environmental protection engineering machinery. Each finished product undergoes complete factory quality inspection, including dimensional accuracy testing, hardness verification, gear meshing precision detection and dynamic load performance testing. Custom services such as internal clearance adjustment, special specification processing and enhanced anti-corrosion treatment can be provided to meet diverse working condition requirements.


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