S71922 CEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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S71922 CEGA/P4A Bearing Product Overview & Core Advantages
The S71922 CEGA/P4A is a super-precision double row angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. Operating under P4A tolerance class, this metric bearing excels in handling combined radial and axial loads simultaneously. Its compact design, featuring a 110 mm bore and 20 mm width, provides a high-stiffness solution for high-speed spindles and precision machinery. The Extra Light (A) preload ensures minimal runout and superior positional accuracy, making it ideal for high-reliability applications where performance consistency is critical.
Model Code Breakdown
| Code Segment | Technical Meaning |
| S71922 | Super-precision double row angular contact ball bearing series with 110mm bore, 150mm OD |
| CE | Contact angle of 15° for optimal axial load capacity |
| GA | Universal Matchable (SU) bearing designed for precise paired mounting |
| P4A | Super-precision tolerance class exceeding ABEC 7 standards |
S71922 CEGA/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row design with 26 precision balls provides exceptional stiffness, enabling stable operation under combined loading conditions. With a dynamic load rating of 9068 lbf and static load rating of 7762 lbf, it delivers reliable performance in demanding applications.
Superior High-Speed Performance: The phenolic resin cage ensures smooth operation at limiting speeds up to 10,000 rpm, while the optimized 15° contact angle provides balanced radial and axial load capability for high-speed applications.
Precision Engineering: Manufactured to P4A tolerance class with bore and OD tolerances of -0.004mm to 0, this bearing guarantees exceptional running accuracy and minimal vibration for precision machinery requirements.
Universal Matching Capability: Designed as Universal Matchable (SU) bearings, they can be precisely paired in sets of 2 for applications requiring preloaded bearing arrangements without additional selection or matching processes.
S71922 CEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring precision and rigidity
- Precision Instrumentation: Measuring equipment and optical devices demanding minimal runout
- High-Speed Automation: Robotics and CNC machinery where accuracy and speed are critical
- Medical Equipment: Dental handpieces and surgical tools requiring reliable high-speed operation
- Aerospace Components: Guidance systems and instrumentation requiring precision bearing performance
