7022 CD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7022 CD/P4ADBA
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
16.25 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
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
In Stock
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7022 CD/P4ADBA Bearing Product Overview & Core Advantages
The 7022 CD/P4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This P4A tolerance class bearing features a back-to-back (DB) matched arrangement, providing superior stability and the ability to withstand combined radial and axial loads. Its extra light preload (Class A) ensures minimal deflection and smooth operation, making it an ideal choice for high-precision, high-speed machinery where uncompromising performance is critical.
7022 CD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7022 | Basic bearing series, indicating a 110 mm bore, 170 mm OD, and 56 mm width. |
| C | Designates a 15° contact angle, optimized for high-speed applications with significant axial loads. |
| D | Indicates the bearing is part of a duplex pair. |
| P4A | Specifies a very high precision tolerance class, exceeding ABEC 7 standards, for applications requiring extreme running accuracy. |
| DB | Specifies the back-to-back matched arrangement, which provides high moment rigidity and accommodates axial loads from both directions. |
| A | Denotes the extra light preload (Class A) applied to the matched set, reducing vibration and ensuring precise shaft positioning. |
7022 CD/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a wide effective spread, significantly increasing the bearing's resistance to moment loads and enhancing overall system stiffness.
- Superior Load Capacity: The angular contact design with a 15° contact angle efficiently handles combined radial and axial loads simultaneously, making it suitable for complex loading conditions.
- Optimized High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, reduces friction, and contributes to the high limiting speed of 16,250 rpm. The open design and factory lubrication facilitate efficient heat dissipation.
- Exceptional Precision: Manufactured to P4A tolerance class with tight dimensional control on bore, OD, and width, this bearing ensures minimal runout and superior rotational accuracy for critical spindles.
- Durable Construction: Components made from chrome steel offer high fatigue life and wear resistance, ensuring long-term reliability in demanding operational environments.
7022 CD/P4ADBA Bearing Typical Application Areas
This precision bearing is engineered for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where high rigidity and accurate shaft alignment are paramount.
- High-Frequency Motors and Spindles: Applications requiring minimal vibration at high rotational speeds.
- Industrial Pumps and Compressors: For handling significant axial and radial forces.
- Robotic Arms and Precision Automation Equipment: Providing accurate and repeatable motion control.
