7010 FE/HCP4ALDGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 FE/HCP4ALDGA
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
18 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5648 lbf
Radial static load rating
4680 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
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
In Stock
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7010 FE/HCP4ALDGA Bearing Product Overview & Core Advantages
The 7010 FE/HCP4ALDGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This metric bearing features a universal matchable (SU) design, allowing for flexible mounting configurations in preloaded sets. Its core advantages include the ability to handle combined radial and axial loads efficiently, thanks to its defined 18° contact angle. Manufactured to P4A tolerance class, it delivers superior running accuracy and rotational stability, making it ideal for high-speed, high-rigidity applications.
7010 FE/HCP4ALDGA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7010 FE/HCP4ALDGA provides detailed technical specifications through its suffixes:
- 7010: Basic designation indicating a 50mm bore, 80mm OD bearing.
- FE: Signifies the use of a phenolic resin cage, offering lightweight construction and excellent performance at high speeds.
- HC: Indicates the use of hybrid ceramic balls (silicon nitride), which reduce centrifugal forces, lower operating temperatures, and extend service life.
- P4A: Denotes a super-precision tolerance class, ensuring extremely tight dimensional and running accuracy.
- A: Specifies an 18° contact angle, optimized for high-speed operation and moderate axial load capacity.
- LDGA: Confirms the bearing is lubricated and supplied as part of a universally matchable (SU) set of two bearings for simplified installation and optimal preload.
7010 FE/HCP4ALDGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction and heat generation, enabling higher limiting speeds (41,000 rpm) and providing electrical insulation properties.
- Phenolic Resin Cage (FE): This lightweight cage material ensures minimal centrifugal force, excellent dimensional stability, and smooth operation under high rotational stresses.
- Super-Precision P4A Tolerance: Guarantees exceptional dimensional precision and running accuracy, resulting in low vibration and noise levels, which is critical for high-precision spindles.
- Universal Matchable Design (SU):
- Allows any two bearings from the same lot to be mounted together in various configurations (DB, DF, DT) to achieve the desired preload and rigidity.
- Simplifies inventory management and assembly processes.
- Optimized Load Capacity: With a dynamic load rating of 5648 lbf and static load rating of 4680 lbf, it reliably supports significant combined loads.
7010 FE/HCP4ALDGA Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- High-Frequency Motors and Spindles: Used in PCB drilling and semiconductor manufacturing equipment.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other precision instruments.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
