7010 CE/HCPA9A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 CE/HCPA9A
Basic Information
System of measurement
Metric
Weight
0.23 kg
Tolerance class
PA9A
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
16 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
3510 lbf
Radial static load rating
2385 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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7010 CE/HCPA9A Bearing Product Overview & Core Advantages
The 7010 CE/HCPA9A is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. Featuring a 15° contact angle and ceramic ball material, this bearing is optimized for high-speed operation and superior performance under combined loads. Its PA9A tolerance class ensures minimal runout, making it ideal for high-reliability and precision machinery where uncompromising performance is critical.
7010 CE/HCPA9A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates the use of ceramic balls (typically Silicon Nitride, Si3N4), which reduce centrifugal forces, lower friction, and enable higher limiting speeds. |
| HC | Refers to the phenolic resin cage material, offering excellent strength-to-weight ratio, reduced friction, and suitability for high-speed applications. |
| PA9A | Denotes the ultra-high precision tolerance class, specifying extremely tight dimensional and running accuracy tolerances for the most demanding spindle applications. |
7010 CE/HCPA9A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of ceramic balls and a lightweight phenolic cage significantly reduces rotating mass and centrifugal forces, directly contributing to the high limiting speed of 46,000 rpm.
- High Rigidity & Load Capacity: The angular contact design with a 15° contact angle provides excellent resistance to combined (radial and axial) loads, ensuring stable and precise shaft positioning.
- Pre-Configured Performance: This bearing is supplied as a single, preloaded unit, eliminating internal clearance for immediate high-stiffness operation without the need for complex adjustment during installation.
- Superior Material Construction: The use of chrome steel rings and ceramic balls provides enhanced durability, corrosion resistance, and a longer operational lifespan, especially in challenging environments.
7010 CE/HCPA9A Bearing Typical Application Areas
This precision 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 rotary axes.
- Medical Equipment: Dental handpieces and high-speed surgical drills.
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units.
