7001 CE/HCP4AHDFA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7001 CE/HCP4AHDFA
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
12 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
28 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
3.969 mm
Ball quantity
12
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1170 lbf
Radial static load rating
596 lbf
Limiting speed
100 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Face-to-Face (DF)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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7001 CE/HCP4AHDFA Bearing Product Overview & Core Advantages
The 7001 CE/HCP4AHDFA is a precision duplex angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This matched face-to-face (DF) arrangement provides superior stability and is preloaded to Extra Light (Class A) specifications, ensuring minimal axial and radial runout. Its construction, featuring a phenolic cage and ceramic balls, is optimized for high-speed operation and long-term performance reliability. This bearing is engineered to handle combined loads efficiently, making it ideal for high-precision, high-rigidity systems.
7001 CE/HCP4AHDFA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates Ceramic Ball material (Silicon Nitride, Si3N4), offering reduced weight, lower friction, and superior performance at high speeds and temperatures. |
| HC | Refers to the Phenolic (Resin) Cage, which provides excellent strength-to-weight ratio and is ideal for high-speed applications. |
| P4A | Denotes a high-precision tolerance class with very tight running accuracy limits for both bore and outside diameter. |
| HDF | Specifies the Duplex Face-to-Face (DF) matched arrangement with a specific preload (Extra Light / Class A). |
| A | Indicates the 30° contact angle (standard for this series, though spec shows 15°; 15° is the standard for 70xx series). |
7001 CE/HCP4AHDFA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex face-to-face (DF) arrangement and Class A preload create a highly rigid bearing system that effectively resists complex moment loads and minimizes deflection under operation.
- Superior High-Speed Capability: The combination of a lightweight phenolic cage and low-density ceramic balls significantly reduces centrifugal forces, enabling stable operation at the high limiting speed of 100,000 rpm.
- Enhanced Load Capacity: Designed as an angular contact bearing, it efficiently supports combined radial and axial loads. The use of ceramic balls also increases the dynamic load rating relative to steel-ball equivalents.
- Precision Performance: Manufactured to P4A tolerance class, this bearing ensures exceptional running accuracy, low vibration, and consistent performance in precision machinery.
- Extended Service Life: Ceramic balls are non-corrosive and have a lower coefficient of thermal expansion than steel, contributing to consistent performance across the specified temperature range and potentially longer service life.
7001 CE/HCP4AHDFA Bearing Typical Application Areas
This precision duplex bearing is ideally suited for applications requiring high speed, high rigidity, and exceptional accuracy, such as:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotics and Automation Arms
- Advanced Medical and Dental Equipment Spindles
- Aerospace Actuation and Control Systems
