7020 CB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7020 CB/P4A
Basic Information
System of measurement
Metric
Weight
1.36 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
100 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
150 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
10.319 mm
Ball quantity
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
6660 lbf
Radial static load rating
6075 lbf
Limiting speed
17 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 1159.09
/ each
In Stock
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7020 CB/P4A Bearing Product Overview & Core Advantages
The 7020 CB/P4A is a single-row angular contact ball bearing designed for applications demanding high precision and superior running accuracy. Operating under the P4 (ABEC-7) tolerance class, this bearing is engineered to handle significant combined loads, offering high rigidity and stable performance in high-speed scenarios. Its 15° contact angle is optimized for carrying substantial axial loads in one direction, making it an ideal component for precision spindles and other high-performance machinery.
7020 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CB | Specific internal clearance and preload condition for optimized performance. |
| P4A | Denotes a P4 (ABEC-7) tolerance class with additional geometrical accuracy requirements for enhanced running precision. |
7020 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance class with a phenolic resin cage, this bearing ensures minimal vibration and high running accuracy, essential for high-speed applications.
- Superior Load Capacity: The 15° contact angle and robust construction of chrome steel rings and balls provide excellent resistance to combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight phenolic cage and precision-ground components contribute to a high limiting speed of 17,000 rpm, reducing centrifugal forces and heat generation.
- Pre-Lubricated for Immediate Use: Arrives lubricated and ready for installation, facilitating quick assembly and initial operation.
7020 CB/P4A Bearing Typical Application Areas
The 7020 CB/P4A is ideally suited for high-precision and high-speed machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Medical and Dental Handpieces
- Aerospace Control Systems
