S7022 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7022 ACB/P4A
Basic Information
System of measurement
Metric
Weight
2.19 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.01mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
31
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
7898 lbf
Radial static load rating
7650 lbf
Limiting speed
9 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1676.27
/ each
In Stock
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S7022 ACB/P4A Bearing Product Overview & Core Advantages
The S7022 ACB/P4A is a precision single-row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is ideally suited for high-speed spindles and other precision machinery. Its key advantage lies in its ability to accommodate combined loads—significant radial loads and substantial thrust loads in one direction—thanks to its 25° contact angle. The bearing is preloaded and comes sealed and lubricated from the factory, ensuring immediate, maintenance-free installation and long-term, reliable performance.
S7022 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Benefit |
|---|---|---|
| ACB | Angular Contact Bearing, 25° contact angle | Optimized for handling high thrust loads in one direction in combination with radial loads. |
| P4A | P4 (ABEC-7) Tolerance Class, with specific internal running accuracy | Guarantees extremely low runout and vibration, essential for high-precision and high-speed applications. |
S7022 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 super-precision standards with a phenolic resin cage, this bearing ensures minimal vibration and exceptional dimensional stability, providing the high rigidity required for machine tool spindles.
- Superior Load Capacity: The 25° contact angle and robust construction, including 31 balls of 11.112 mm diameter, provide a high dynamic load rating of 7898 lbf and static load rating of 7650 lbf, enabling it to handle demanding combined loads.
- Optimized High-Speed Performance: The lightweight phenolic cage and precision-ground components contribute to a high limiting speed of 9,000 rpm, making it an excellent high-speed bearing solution.
- Sealed and Ready-to-Use: As a sealed and pre-lubricated unit, the S7022 ACB/P4A is protected from contamination and is maintenance-free, simplifying installation and ensuring long service life within its specified temperature range of -30° to 110 °C.
S7022 ACB/P4A Bearing Typical Application Areas
This bearing is engineered for high-performance applications where precision and speed are critical. Typical uses include:
- Machine Tool Spindles (milling, grinding, turning)
- High-Frequency Motors
- Precision Gearboxes
- Industrial Pumps and Compressors
- Robotics and Automation Equipment
