7010 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 CE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.46 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5738 lbf
Radial static load rating
4770 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7010 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 7010 CE/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex back-to-back (DB) matched set features a P4A tolerance class and an extra light preload (Class A), making it ideal for high-speed spindles and other precision machinery. Its configuration provides high rigidity and excellent running accuracy, capable of handling combined radial and axial loads. The use of ceramic balls and a phenolic cage contributes to its superior high-speed performance and reduced rotational inertia.
7010 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a duplex bearing with a specific internal clearance and preload. |
| HC | Refers to the hybrid ceramic construction, featuring steel rings and ceramic balls. |
| P4A | Denotes a high-precision tolerance class with very tight dimensional and running accuracy limits. |
| DB | Specifies the back-to-back arrangement of the matched bearing set, which provides high moment rigidity. |
| A | Indicates an extra light preload for minimal friction and optimal high-speed operation. |
7010 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise shaft positioning.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage reduces centrifugal forces and allows for a limiting speed of 41,000 rpm. This results in lower operating temperatures and extended service life.
- Precision & Accuracy: Manufactured to P4A tolerance class with an extra light preload, this bearing delivers exceptional running accuracy and minimal rotational vibration, which is critical for high-precision applications.
- Hybrid Ceramic Advantage: The silicon nitride (Si3N4) ceramic balls offer higher stiffness, lower density, and superior electrical insulation compared to steel, reducing wear and enabling operation in electrically sensitive environments.
- Optimized Load Capacity: With a 15° contact angle and a dynamic load rating of 5738 lbf, the bearing is engineered to handle significant combined loads (radial and axial) simultaneously.
7010 CE/HCP4ADBA Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, engraving, and semiconductor manufacturing equipment.
- High-Frequency Motors: Spindles for routers and other high-RPM electric motors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other instrumentation requiring high accuracy and reliability.
