7010 ACEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 ACEGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.23 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
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3330 lbf
Radial static load rating
2250 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
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
Price:
$ 161.68
/ each
In Stock
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7010 ACEGA/HCP4A Bearing Product Overview & Core Advantages
The 7010 ACEGA/HCP4A is a single row angular contact ball bearing engineered for applications demanding the highest levels of precision and performance. Positioned in the P4A super-precision tolerance class, this bearing is designed to handle significant combined loads with a 25° contact angle, offering exceptional rotational accuracy and high-speed capability. Its extra light preload (Class A) ensures smooth, quiet operation with minimal friction, making it ideal for high-precision spindles and other critical machinery. The use of a phenolic cage and ceramic balls further enhances its high-speed performance and durability.
7010 ACEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7010 ACEGA/HCP4A provides detailed technical specifications:
- 7010: Basic bearing series, indicating a bore diameter of 50 mm and a specific cross-section.
- AC: Signifies Angular Contact design with a 25° contact angle.
- EGA: Indicates the Universal Matchable (SU) designation and that it is one of four bearings in a pre-matched set for simplified installation and optimal performance.
- HCP4A: Denotes the P4A tolerance class, representing superior dimensional and running accuracy beyond standard ABEC 7/ISO P4 levels.
7010 ACEGA/HCP4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P4A super-precision tolerances, this bearing provides exceptional running accuracy and system rigidity, crucial for applications like machine tool spindles.
- Superior High-Speed Performance: The combination of a lightweight phenolic resin cage and ceramic (silicon nitride) balls reduces centrifugal forces and inertial mass, enabling a high limiting speed of 46,000 rpm. This also provides electrical insulation and reduced heat generation.
- Optimized Load Capacity: The 25° contact angle is optimized to handle substantial combined radial and axial loads simultaneously.
- Preload and Matching: Supplied with an extra light preload (Class A), it minimizes deflection under light loads. As part of a universally matchable set, multiple bearings can be mounted together in various configurations (e.g., back-to-back, face-to-face) to achieve the required rigidity and load capacity.
- Open Design with Lubrication: The open seal type allows for optimal lubrication flow and heat dissipation, suitable for systems with centralized lubrication.
7010 ACEGA/HCP4A Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for demanding applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and auxiliary power units.
- High-Frequency Motors and Spindles: PCB drilling spindles and dental handpieces.
