7010 ACDGA/HCP4AL
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 ACDGA/HCP4AL
Basic Information
System of measurement
Metric
Weight
0.22 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
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6322 lbf
Radial static load rating
5220 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
3
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:
$ 137.55
/ each
In Stock
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7010 ACDGA/HCP4AL Bearing Product Overview & Core Advantages
The 7010 ACDGA/HCP4AL is a single-row angular contact ball bearing engineered for ultra-high precision applications. Positioned in the premium performance segment, this bearing is distinguished by its P4A super-precision tolerance class and hybrid ceramic ball construction. Its primary advantage lies in its ability to support high combined loads (radial and axial) simultaneously, making it an ideal choice for machine tool spindles and other demanding equipment requiring exceptional rotational accuracy, high limiting speed, and long-term reliability.
7010 ACDGA/HCP4AL Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| AC | Angular Contact | Optimized geometry for combined loads. |
| DGA | Contact Angle (25°) | Balanced axial and radial load capacity. |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Reduced friction, higher speed capability, and non-conductive properties. |
| P4A | Super Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for superior performance. |
7010 ACDGA/HCP4AL Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of ceramic balls with a steel ring significantly reduces centrifugal forces, lowers operating temperature, and enables a higher limiting speed (46,000 rpm). This construction also offers electrical insulation and superior wear resistance.
- Precision & Rigidity: Manufactured to P4A tolerance class with a 25° contact angle, this bearing provides exceptional running accuracy and high rigidity, which is critical for minimizing deflection in precision spindles.
- Optimized Cage Design: The phenolic resin cage is lightweight and robust, contributing to smooth operation at high speeds and offering good performance in lubricant-starved conditions.
- Universal Matching (SU): This bearing is universally matchable, allowing for simplified mounting in preloaded sets (back-to-back or face-to-face) to achieve the required stiffness and accuracy without selective assembly.
7010 ACDGA/HCP4AL Bearing Typical Application Areas
This precision angular contact bearing is specifically designed for the most demanding high-speed and high-accuracy machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, semiconductor manufacturing equipment.
- High-Frequency Motors: Spindles for routers and other high-RPM applications.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other instrumentation requiring ultimate precision.
