7022 CB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7022 CB/HCP4A
Basic Information
System of measurement
Metric
Weight
2.09 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
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
19 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:
$ 1397.23
/ each
In Stock
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7022 CB/HCP4A Bearing Product Overview & Core Advantages
The 7022 CB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle and is supplied with a preload, making it ideal for setups where minimal axial and radial deflection under load is critical. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and reduced rotational inertia. Designed to handle combined loads, it offers outstanding reliability in precision machinery.
7022 CB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Benefit |
|---|---|---|
| CB | Specific internal clearance and preload | Indicates a controlled preload for enhanced stiffness and precise shaft positioning. |
| HC | Hybrid Ceramic | Denotes the use of ceramic balls, offering higher speed capability, reduced weight, and longer service life. |
| P4 | Tolerance Class P4 (ABEC-7) | Guarantees extremely tight dimensional and running accuracy for high-precision applications. |
| A | 30° Contact Angle (implied by standard 70XX A-series) | Provides a balanced capacity for axial and radial loads. (Note: This specific bearing has a 15° angle, please verify application requirements). |
7022 CB/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls significantly reduces friction and heat generation. This allows for a higher limiting speed (19,000 rpm) and provides electrical insulation, mitigating damage from electrical arcing.
- Phenolic Resin Cage: The lightweight and robust phenolic cage ensures stable operation at high speeds, offering excellent strength and guidance for the ceramic balls.
- Precision & Rigidity: Manufactured to P4 (ABEC-7) tolerance class and supplied with preload, this bearing delivers exceptional running accuracy, minimizes system vibration, and provides high stiffness to resist operational deflection.
- High Load Capacity: With a dynamic load rating of 8348 lbf and a static load rating of 8100 lbf, it is capable of handling significant combined loads.
7022 CB/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- High-Frequency Motors and Spindles: Where superior speed and minimal runout are required.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
- Medical Equipment: Dental handpieces and imaging device rotors.
