7022 CEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7022 CEGA/P4A Bearing Product Overview & Core Advantages
The 7022 CEGA/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This single-row bearing features an Extra Light (Class A) preload and is manufactured to P4A tolerance class, ensuring superior running accuracy and minimal vibration. Its 15° contact angle is optimized for handling combined loads, particularly high-speed applications where precise axial and radial load capacity is critical. The bearing is universally matchable (SU), allowing for flexible mounting arrangements in sets of two or more to achieve desired rigidity and preload characteristics.
7022 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series and size designation (110mm bore, 170mm OD) |
| CE | Contact angle of 15° |
| GA | Preload classification: Extra Light (Class A) |
| P4A | High precision tolerance class, superior to ABEC 7 |
7022 CEGA/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with extremely tight dimensional tolerances on bore, outside diameter, and width, ensuring exceptional running accuracy and system stability.
Optimized Preload: The Extra Light (Class A) preload minimizes axial and radial play, providing high rigidity and precise rotational characteristics without excessive friction or heat generation.
High-Speed Capability: The phenolic resin cage offers excellent strength-to-weight ratio and guidance, contributing to stable operation at the high limiting speed of 10,000 rpm.
Superior Material: Constructed from chrome steel for both rings and balls, providing high fatigue life and durability under demanding operating conditions.
Universal Matching: As a Universal Matchable (SU) bearing, it can be paired with other identical bearings in various arrangements (DB, DF, DT) to handle complex load requirements.
7022 CEGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers
- High-Speed Machining Centers: Applications requiring extreme rotational accuracy
- Precision Instrumentation: Measuring equipment and laboratory apparatus
- Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
- Medical Equipment: High-speed dental handpieces and surgical tools
