7010 CD/HCP4ADGB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7010 CD/HCP4ADGB
Basic Information
System of measurement
Metric
Weight
0.43 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
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10980 lbf
Radial static load rating
10800 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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7010 CD/HCP4ADGB Bearing Product Overview & Core Advantages
The 7010 CD/HCP4ADGB is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. As a universal matchable (SU) bearing supplied in a pre-set pair, it delivers superior rigidity and can accommodate combined loads (radial and axial) simultaneously. Featuring a P4A super-precision tolerance class, a ceramic ball construction, and a light preload (Class B), it is optimized for high-speed operation and long-term reliability in precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7010 | Basic bearing series and size designation (50mm bore, 80mm OD). |
| CD | Universal matchable bearing design. Two bearings can be mounted in a back-to-back (DB) or face-to-face (DF) arrangement to handle bidirectional axial loads. |
| HC | Hybrid Ceramic construction, indicating the balls are made of ceramic while the rings are chrome steel. |
| P4A | Super precision tolerance class, exceeding ABEC 7/ISO P4 standards, ensuring minimal runout and vibration. |
| ADGB | Specific internal design and preload specification (Light preload / Class B). |
7010 CD/HCP4ADGB Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The combination of chrome steel rings and ceramic (silicon nitride) balls significantly reduces friction, heat generation, and wear. This allows for higher limiting speeds (46,000 rpm), extended service life, and improved performance in lubricant-starved conditions.
- Universal Matchable (SU) Pair: Supplied as a precisely matched set of two bearings, this configuration provides exceptional system rigidity and stability, capable of handling complex combined loads from any direction.
- Phenolic Resin Cage: The lightweight and robust phenolic cage ensures smooth operation at high speeds, offers excellent dimensional stability, and is suitable for the specified temperature range.
- Precision & Preload: The P4A tolerance class guarantees extreme dimensional and running accuracy. The light preload (Class B) eliminates internal clearance, enhancing shaft positioning accuracy and system stiffness from startup.
- 15° Contact Angle: This optimized angle provides an excellent balance between radial load capacity and axial load capacity, making it ideal for applications with significant thrust loads.
7010 CD/HCP4ADGB Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- High-Frequency Spindles: PCB drilling and routing machinery.
- Precision Robotics: Arm joints and rotary actuators requiring high rigidity and accuracy.
- Medical Equipment: Dental handpieces and imaging scanner gantries.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotating assemblies.
