7020 CE/P4BVG275
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7020 CE/P4BVG275
Basic Information
System of measurement
Metric
Weight
1.26 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
12.7 mm
Ball quantity
27
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
10102 lbf
Radial static load rating
9000 lbf
Limiting speed
12.3 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 CE/P4BVG275 Bearing Product Overview & Core Advantages
The 7020 CE/P4BVG275 is a single-row angular contact ball bearing engineered for applications demanding high precision and exceptional rotational accuracy. Positioned in the P4 (ABEC-7) tolerance class, this bearing is designed to handle significant combined loads—simultaneous radial and axial loads—in one direction, thanks to its specific 15° contact angle. Its open design and preload availability make it an ideal component for high-speed spindles and other precision machinery where rigidity and minimal runout are critical.
7020 CE/P4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a 15° contact angle and is typically associated with a specific internal design optimized for high-speed operation and preload. |
| P4 | Denotes the tolerance class, equivalent to ABEC-7. This signifies extremely tight dimensional and running accuracy for precision applications. |
| BVG275 | Specifies the preload level (likely a light or medium preload) and potentially the specific lubrication used for optimal high-speed performance. |
7020 CE/P4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance class with a phenolic resin cage, this bearing ensures exceptional dimensional stability and low vibration, contributing to superior system rigidity and accuracy.
- Superior Load Capacity: The 15° contact angle is optimized to handle high combined loads, making it capable of supporting substantial radial loads and one-directional axial loads simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the specific internal geometry and lubrication (as indicated by the BVG275 suffix) enable a high limiting speed of 12,300 rpm.
- Preload Ready: The bearing is supplied with a defined preload, which eliminates internal clearance, increases shaft rigidity, and enhances positional accuracy in the assembled application.
7020 CE/P4BVG275 Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance machinery where speed, accuracy, and rigidity are non-negotiable. Key applications include:
- Machine Tool Spindles: For CNC machining centers, grinding spindles, and lathes.
- High-Speed Motors and Spindles: Used in electric motors, precision drills, and router spindles.
- Precision Robotics: In robotic arm joints and gears requiring high positional accuracy.
- Aerospace and Defense Systems: For gyroscopes, radar equipment, and other critical control systems.
