7010 CE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 CE/HCP4AQBCA
Basic Information
System of measurement
Metric
Weight
0.91 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
64 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
9360 lbf
Radial static load rating
9562 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
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/HCP4AQBCA Bearing Product Overview & Core Advantages
The 7010 CE/HCP4AQBCA is a high-precision quadruplex matched bearing set designed for demanding applications requiring exceptional rigidity and accuracy. This angular contact ball bearing configuration in a back-to-back arrangement (QBC) is engineered to handle combined loads and provide superior operational stability. Its P4A tolerance class and ceramic ball construction make it ideal for high-speed and high-reliability scenarios where minimal runout and thermal stability are critical.
7010 CE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | Ceramic Balls | Reduced weight, lower friction, and capability for higher speeds and temperatures. |
| HC | Phenolic (Polyamide) Cage | Excellent guidance at high speeds with low friction and good compatibility with lubrication. |
| P4A | High Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for precise applications. |
| QBC | Quadruplex Back-to-Back Arrangement | Provides maximum rigidity and moment load capacity in a pre-matched set. |
7010 CE/HCP4AQBCA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Moment Load Capacity: The quadruplex back-to-back (QBC) matched arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and stable operation under heavy combined loads.
- Superior High-Speed Performance: The combination of ceramic balls (CE) and a phenolic cage (HC) significantly reduces centrifugal forces and friction, enabling a high limiting speed of 41,000 rpm. The 15° contact angle is optimized for high-speed applications requiring high rigidity.
- High Precision and Accuracy: Manufactured to P4A tolerance class with bore and outside diameter tolerances of -0.004mm to 0, this bearing ensures minimal runout and vibration, which is critical for maintaining accuracy in precision machinery.
- Optimized for Preload: The set is supplied with an extra light preload (Class A), which minimizes axial and radial play without generating excessive heat, making it ideal for applications where precise rotational accuracy is paramount.
7010 CE/HCP4AQBCA Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery, including:
- High-Speed Machine Tool Spindles
- Precision Grinding Spindles
- Advanced Robotics and Automation Arms
- Aerospace Actuation Systems
- Medical and Dental High-Speed Handpieces
