7022 CD/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7022 CD/P4ADT
Basic Information
System of measurement
Metric
Weight
3.95 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
56 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
19.05 mm
Ball quantity
20
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
40050 lbf
Radial static load rating
48600 lbf
Limiting speed
10 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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7022 CD/P4ADT Bearing Product Overview & Core Advantages
The 7022 CD/P4ADT is a precision angular contact ball bearing configured in a duplex tandem (DT) arrangement. This preloaded, matched pair is engineered to deliver exceptional rotational accuracy and high rigidity under demanding conditions. Its design is optimized to handle significant combined loads—primarily thrust loads in one direction—making it ideal for high-precision, high-speed applications requiring maximum axial stiffness and minimal runout.
7022 CD/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CD | 15° contact angle and specific internal design for high rigidity. | Optimized for high thrust capacity and stiffness. |
| P4A | High precision tolerance class (superior to ABEC 7). | Ensures extremely low noise, smooth operation, and superior running accuracy. |
| DT | Duplex Tandem preloaded pair. | Provides maximum axial stiffness and accommodates heavy thrust loads in one direction. |
7022 CD/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Axial Stiffness: The duplex tandem arrangement and 15° contact angle create a system with exceptional resistance to axial deflection under load, which is critical for maintaining precision in machine tool spindles.
- Superior Load Capacity: With a dynamic load rating of 40050 lbf and a static load rating of 48600 lbf, this bearing is built to handle significant combined loads, with a primary focus on high thrust capacity.
- High-Speed Capability: The lightweight, robust phenolic resin cage and optimized internal geometry contribute to stable operation at the limiting speed of 10,000 rpm, reducing centrifugal forces and heat generation.
- Precision Performance: Manufactured to P4A tolerance class with tight bore and OD tolerances, this bearing guarantees minimal runout and vibration for applications demanding the highest levels of accuracy.
7022 CD/P4ADT Bearing Typical Application Areas
The 7022 CD/P4ADT is specified for high-performance machinery where precision, speed, and rigidity are non-negotiable. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling machines and precision grinding equipment.
- High-Frequency Motors: Spindles for routers and other high-RPM electric motors.
- Industrial Pumps & Compressors: For applications requiring high axial stiffness and precision.
