S7022 ACD/P4AQBCB
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7022 ACD/P4AQBCB
Basic Information
System of measurement
Metric
Weight
7.98 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.004mm to 0
Width
112 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
62100 lbf
Radial static load rating
93375 lbf
Limiting speed
16 X 1000 rpm
Lubrication
Grease
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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S7022 ACD/P4AQBCB Bearing Product Overview & Core Advantages
The S7022 ACD/P4AQBCB is a precision quadruplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched set features a back-to-back (QBC) arrangement of four bearings, providing superior stability and the ability to handle combined loads (radial and axial) from multiple directions simultaneously. Manufactured to P4A tolerance class, it delivers high running accuracy and is preloaded for optimal performance in high-speed, high-rigidity scenarios. The phenolic cage and factory-applied grease lubrication ensure reliable operation.
S7022 ACD/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
The model number S7022 ACD/P4AQBCB breaks down into the following technical specifications:
| Code Segment | Technical Meaning |
|---|---|
| S7022 | Basic bearing designation (70 Series, 22 bore size code: 110mm) |
| ACD | Angular Contact Design with a 25° contact angle |
| P4A | High precision tolerance class (superior to ABEC 7) |
| QBC | Quadruplex Back-to-Back matched set arrangement |
| B | Light preload classification |
S7022 ACD/P4AQBCB Bearing Structural Features & Performance Benefits
- Exceptional Rigidity: The quadruplex back-to-back arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, making it ideal for precision machinery.
- High Load Capacity: With a radial dynamic load rating of 62,100 lbf and a static load rating of 93,375 lbf, this bearing set is engineered to handle significant combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the 25° contact angle and precision manufacturing contribute to a high limiting speed of 16,000 rpm.
- Pre-Configured for Reliability: The set comes as a matched quadruplex with light preload (Class B) applied, ensuring consistent performance and simplifying installation without the need for complex adjustments.
- Sealed & Lubricated for Life: The sealed design and factory-applied grease lubrication protect against contamination and provide long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
S7022 ACD/P4AQBCB Bearing Typical Application Areas
This high-precision, high-rigidity bearing set is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring extreme accuracy and stiffness.
- Precision Gearboxes: Applications demanding minimal shaft deflection and high load capacity.
- Industrial Pumps & Compressors: For handling axial and radial loads in demanding fluid-handling equipment.
- Robotics and Automation: High-accuracy rotary joints and arm actuators.
- Aerospace Test Equipment: Where precision, speed, and reliability are critical.
