7222 CD/P4ADBC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7222 CD/P4ADBC
Basic Information
System of measurement
Metric
Weight
9.26 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
200 mm
Outside diameter tolerance
-0.004mm to 0
Width
76 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
26.988 mm
Ball quantity
16
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
64350 lbf
Radial static load rating
75375 lbf
Limiting speed
16 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
Moderate / Class C
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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7222 CD/P4ADBC Bearing Product Overview & Core Advantages
The 7222 CD/P4ADBC is a precision duplex angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This matched back-to-back (DB) arrangement provides superior stability and can accommodate combined radial and axial loads from both directions. Manufactured to P4A tolerance class with a moderate preload (Class C), it delivers high running accuracy and is ideal for high-speed, high-precision machinery where uncompromising performance is critical.
7222 CD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a duplex bearing in a back-to-back (DB) arrangement, providing high moment rigidity. |
| P4A | Specifies a high-precision tolerance class with enhanced dimensional and running accuracy requirements. |
| DBC | Denotes the specific matched set configuration and preload level (Moderate / Class C) for optimal performance. |
7222 CD/P4ADBC Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The back-to-back duplex design significantly increases system rigidity, effectively resisting moment loads and ensuring stable shaft positioning under demanding conditions.
- Superior Load Capacity: With a 15° contact angle and robust construction, this bearing is engineered to handle significant combined radial and axial loads simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures smooth operation and low friction, contributing to the high limiting speed of 16,000 rpm. The bearings are pre-lubricated for immediate operation.
- Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional control on the bore diameter, outside diameter, and width, guaranteeing consistent, high-precision performance.
7222 CD/P4ADBC Bearing Typical Application Areas
This precision duplex bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles (e.g., milling, grinding, and turning centers)
- High-Speed Precision Spindles for PCB drilling and routing
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
- Advanced Medical and Laboratory Equipment
