7022 ACD/P4ATBTA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7022 ACD/P4ATBTA
Basic Information
System of measurement
Metric
Weight
5.92 kg
Tolerance class
P4A
Seal type
Open
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
84 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
50625 lbf
Radial static load rating
69750 lbf
Limiting speed
16.25 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
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:
$ 1272.72
/ each
In Stock
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7022 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The 7022 ACD/P4ATBTA is a high-precision angular contact ball bearing designed for demanding industrial applications. This triplex back-to-back (TBT) matched set delivers exceptional system rigidity and stability, making it ideal for machinery requiring the highest levels of accuracy. Its P4A tolerance class ensures superior running precision, while the extra light preload (Class A) minimizes friction and heat generation, contributing to outstanding performance under high-speed conditions. This bearing configuration is engineered to handle significant combined loads (radial and axial) simultaneously, providing a robust and reliable solution for critical spindle arrangements.
7022 ACD/P4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for high axial load capacity. |
| P4A | Indicates a high-precision tolerance class with enhanced dimensional and running accuracy requirements. |
| TB | Back-to-Back mounting arrangement. |
| T | Triplex set, consisting of three matched bearings. |
| A | Specifies an Extra Light Preload for minimal running torque and optimal high-speed performance. |
7022 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The triplex back-to-back (TBT) matched set creates an extremely rigid bearing system, effectively resisting complex moment loads and maintaining shaft positioning accuracy under heavy combined loads.
- High-Speed Capability: The combination of a lightweight phenolic cage, extra light preload, and a 25° contact angle allows for a high limiting speed of 16,250 rpm, making it suitable for high-speed spindle applications.
- Superior Load Capacity: With a dynamic load rating of 50,625 lbf and a static load rating of 69,750 lbf, this bearing set is built to handle significant radial and axial forces, ensuring long service life and reliability.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls on the bore diameter, outside diameter, and width, guaranteeing consistent, high-precision performance.
- Optimized Material Selection: The use of chrome steel for rings and balls provides excellent wear resistance and durability, while the phenolic cage contributes to smooth operation at high speeds.
7022 ACD/P4ATBTA Bearing Typical Application Areas
This precision bearing set is ideally suited for high-performance machinery where accuracy, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: Applications in PCB drilling, semiconductor manufacturing, and other high-accuracy processes.
- High-Frequency Motors: Spindles for routers and other high-RPM electric motors.
- Industrial Pumps and Compressors: For applications requiring precise shaft control and high-speed operation.
