S7022 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7022 CB/HCP4A
Basic Information
System of measurement
Metric
Weight
2.09 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
110 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
170 mm
Outside diameter tolerance
-0.01mm to 0
Width
28 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
31
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8348 lbf
Radial static load rating
8100 lbf
Limiting speed
12 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 1676.63
/ each
In Stock
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S7022 CB/HCP4A Bearing Product Overview & Core Advantages
The S7022 CB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing is distinguished by its ceramic ball construction and P4 (ABEC-7) tolerance class, making it an ideal solution for high-speed spindles and precision machinery. Its 15° contact angle is optimized to support significant combined loads—handling both radial and axial forces simultaneously. The bearing comes preloaded and lubricated from the factory, ensuring immediate, reliable performance with minimal setup.
S7022 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| CB | Specific internal clearance and preload designation | Provides controlled preload for enhanced rigidity and precise rotational accuracy. |
| HC | Hybrid Ceramic (Ceramic balls with steel rings) | Reduces centrifugal forces, lowers operating temperature, and extends service life, especially at high speeds. |
| P4A | P4 (ABEC-7) tolerance class with specific accuracy enhancements | Guarantees ultra-precise running accuracy and dimensional stability for critical applications. |
S7022 CB/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of ceramic balls with steel rings significantly reduces weight and inertial forces, enabling higher limiting speeds (12,000 rpm) and reduced heat generation compared to all-steel bearings.
- High Rigidity & Preload: The CB preload specification ensures the bearing operates with minimal deflection, providing superior system stiffness and precise positioning capabilities.
- Optimized Load Capacity: The 15° contact angle design allows the bearing to efficiently support substantial combined radial and axial loads, with a dynamic load rating of 8348 lbf and a static load rating of 8100 lbf.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction, contributing to smooth operation at high velocities.
- Sealed & Pre-lubricated: The sealed design with factory-applied lubrication protects against contamination and provides long-term, maintenance-free operation within a specified temperature range of -30° to 110 °C.
S7022 CB/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications where speed, precision, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Instrumentation: Measuring devices, optical scanners, and laboratory equipment.
- High-Speed Motors & Drives: Electric spindles, turbo-molecular pumps, and specialized drives.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and other critical rotational mechanisms.
