S7020 CE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7020 CE/HCP4BVG275
Basic Information
System of measurement
Metric
Weight
1.18 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
14.5 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:
$ 1390.18
/ each
In Stock
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S7020 CE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7020 CE/HCP4BVG275 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 15° contact angle, optimized for handling combined radial and axial loads simultaneously. Its construction with ceramic balls and a phenolic cage enables superior high-speed capabilities and reduced rotational inertia. Manufactured to a P4 (ABEC-7) tolerance class, it guarantees extreme dimensional precision and running accuracy, making it ideal for high-reliability, high-rigidity spindle applications.
Model Code In-Depth Analysis
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates the use of Hybrid Ceramic balls (Silicon Nitride), offering higher speed, reduced weight, and improved durability. |
| HC | Refers to the Phenolic Resin Cage, which is lightweight and ideal for high-speed operation. |
| P4 | Specifies the tolerance class P4 (ABEC-7), denoting ultra-precision manufacturing standards. |
| BVG275 | Denotes a specific preload level and internal geometry optimized for high rigidity and precise running. |
S7020 CE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The P4 tolerance class and optimized internal design ensure minimal runout and high system stiffness, critical for precision machining and positioning.
- Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls significantly reduces centrifugal forces, enabling a high limiting speed of 14,500 rpm.
- Enhanced Load Capacity: The 15° contact angle is engineered to efficiently support substantial combined loads (radial and axial), with a dynamic load rating of 10,102 lbf.
- Reduced Friction and Wear: Ceramic balls are harder and smoother than steel, leading to lower friction, reduced heat generation, and extended bearing service life.
- Pre-Lubricated and Sealed: Comes lubricated from the factory and is sealed to protect against contamination, ensuring consistent performance and reducing maintenance needs.
S7020 CE/HCP4BVG275 Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For CNC milling centers, lathes, and grinding machines requiring high speed and accuracy.
- High-Speed Motors and Spindles: Used in electric motors, router spindles, and other applications where rotational velocity is critical.
- Precision Instrumentation: In medical devices, optical scanners, and measuring equipment demanding minimal vibration and runout.
- Aerospace and Defense Systems: For gyroscopes, actuators, and other critical components where reliability and performance under load are paramount.
