7005 CE/HCP4ADGC
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7005 CE/HCP4ADGC
Basic Information
System of measurement
Metric
Weight
0.13 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
3038 lbf
Radial static load rating
1868 lbf
Limiting speed
56 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Moderate / Class C
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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7005 CE/HCP4ADGC Bearing Product Overview & Core Advantages
The 7005 CE/HCP4ADGC is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. As a universally matchable (SU) bearing supplied in a pre-set pair, it is designed to accommodate combined loads (radial and axial) simultaneously. Its core advantages stem from a P4A super-precision tolerance class, a ceramic ball construction, and a phenolic cage, making it an ideal solution for high-speed and high-rigidity spindle systems.
7005 CE/HCP4ADGC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| CE | Ceramic Balls (Silicon Nitride) | Reduced centrifugal forces, lower operating temperature, and extended service life, especially at high speeds. |
| HC | Phenolic (Fabric) Cage | Lightweight and robust, offering superior guidance and reduced friction for smooth operation at high RPM. |
| P4A | Super Precision Tolerance Class | Guarantees extremely tight dimensional and running accuracy for applications requiring minimal runout and vibration. |
| DGC | Universal Matchable (SU) Pair, Moderate Preload (Class C) | Two bearings are supplied as a pre-configured set that can be arranged in tandem, back-to-back, or face-to-face mounting to optimize system rigidity and handle bidirectional axial loads. |
7005 CE/HCP4ADGC Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 15° contact angle and universal matchable pair arrangement provide excellent resistance to combined loads, ensuring stable and precise shaft positioning under demanding operational conditions.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic cage significantly reduces rotating mass and inertial forces. This design is instrumental in achieving the high limiting speed of 56,000 rpm, minimizing heat generation and power loss.
- Pre-optimized for Precision: Manufactured to P4A super-precision standards, this bearing ensures minimal runout and vibration, which is critical for maintaining accuracy in high-performance machinery.
- Pre-lubricated for Immediate Use: The bearing comes lubricated and ready for installation, suitable for an operating temperature range of -30°C to 110°C.
7005 CE/HCP4ADGC Bearing Typical Application Areas
The 7005 CE/HCP4ADGC is specifically designed for high-end applications where speed, precision, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring and testing equipment.
- High-Frequency Motors and Spindles: PCB drilling spindles and dental handpieces.
- Aerospace & Defense Systems: Gyroscopes and navigation instruments.
