7005 CD/HCP4ADGB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7005 CD/HCP4ADGB
Basic Information
System of measurement
Metric
Weight
0.14 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.004mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3510 lbf
Radial static load rating
2340 lbf
Limiting speed
103 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
No drawings available at the moment, will be launched soon
Price:
$ 155.96
/ each
In Stock
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7005 CD/HCP4ADGB Bearing Product Overview & Core Advantages
The 7005 CD/HCP4ADGB is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered as a universally matchable (SU) pair with a light preload (Class B), it delivers superior rotational stability and rigidity. Its defining characteristics include the ability to accommodate combined loads (radial and axial) simultaneously, facilitated by its 15° contact angle. Manufactured to P4A tolerance class and featuring a phenolic cage with ceramic balls, this bearing is optimized for high-speed operation and offers extended service life in demanding environments.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| CD | Specifies a 15° contact angle and a universally matchable (SU) design, allowing any two bearings to be paired without selective matching. |
| HC | Indicates the use of Hybrid Ceramic components, specifically ceramic balls for reduced friction and higher speed capability. |
| P4A | Denotes an ultra-precision tolerance class with enhanced running accuracy for applications requiring minimal vibration and noise. |
| ADGB | Signifies a light preload (Class B) applied to the bearing set, which increases system rigidity and improves positional accuracy. |
7005 CD/HCP4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity and Stability: The universal match (SU) design with a defined light preload ensures the bearing pair operates as a single, highly rigid unit, minimizing deflection under load and enhancing system stability.
- Superior High-Speed Performance: The combination of a phenolic resin cage and ceramic (Si3N4) balls significantly reduces centrifugal forces and friction, enabling a high limiting speed of 103,000 rpm. This makes it ideal for high-speed spindles.
- Excellent Load Capacity: The 15° contact angle is optimized to handle significant combined radial and axial loads efficiently, providing reliable performance in complex loading conditions.
- Extended Service Life and Reliability: Hybrid ceramic construction offers superior wear resistance, electrical insulation, and the ability to run with minimal lubrication. The P4A precision grade guarantees consistent, high-accuracy operation.
7005 CD/HCP4ADGB Bearing Typical Application Areas
This precision bearing is specifically engineered for high-performance machinery where speed, accuracy, and reliability are paramount. Key applications include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Instrumentation: Measuring devices, optical scanners, and laboratory equipment.
- High-Speed Motors and Drives: Electric spindles, turbo-molecular pumps, and dental handpieces.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other critical rotational mechanisms.
