SKF
Double Row Angular Contact Ball Bearings
Double row angular contact ball bearings correspond to a pair of single row bearings arranged back-to-back, but in one-piece inner and outer rings. They accommodate radial and bidirectional axial loads, provide high stiffness, and simplify handling and assembly. SKF supplies these in open and sealed variants, with contact angles of 25° or 30° (30° typical for the 32xx and 33xx series). Common applications include wheel hubs, centrifugal pumps, electric motors, and power tools where space is limited but bidirectional thrust capability is required. They offer a cost-effective, space-saving alternative to matched single row sets, with the added benefit of reduced mounting errors. The bearings feature polyamide or steel sheet cages and are available with SKF Explorer quality for enhanced service life.
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Bidirectional Axial Load Capacity
Carries axial forces in both directions within a single bearing.
Compact Design
Replaces two single row bearings, reducing required shaft and housing length.
High Stiffness
Integrated back-to-back geometry yields excellent rigidity under moment loads.
Simplified Handling
One-piece assembly eliminates matched set orientation errors.
Sealed and Lubricated Options
Maintenance-free versions with integral seals available.
Standard Metric Dimensions
Interchangeable with common 32xx/33xx series for easy replacement.
Double Row Angular Contact Bearings vs. Matched Sets
Double row bearings offer simpler logistics and lower total cost where space is tight. Matched single row bearings provide more flexibility in preload and clearance customization. SKF helps you decide based on assembly process, load requirements, and maintenance practices.
Typical Applications in Automotive and Industrial Machinery
Automotive wheel hubs and fan drives use double row angular contact bearings for their bidirectional thrust capability and compact packaging. Industrial gearbox output shafts benefit from the stiff shaft support and preload control these bearings provide.