7001 CE/HCPA9ADGA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7001 CE/HCPA9ADGA
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
PA9A
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
Universal Matchable (SU)
Number of bearings in matched set
2
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:
$ 182.46
/ each
In Stock
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7001 CE/HCPA9ADGA Bearing Product Overview & Core Advantages
The 7001 CE/HCPA9ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. Featuring a universal matchable (SU) design, this bearing can be paired to handle combined loads efficiently. Its construction with ceramic balls and phenolic cage enables superior high-speed capabilities and reduced weight, making it ideal for high-reliability, precision machinery where rigidity and minimal thermal expansion are critical.
7001 CE/HCPA9ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates hybrid ceramic balls (silicon nitride), offering higher speed, reduced friction, and longer service life. |
| HCPA9A | Specifies high-precision tolerance class PA9A with extra light preload (Class A), ensuring minimal runout and optimal performance in precision assemblies. |
| DGA | Denotes universal matchable (SU) arrangement, allowing two bearings to be mounted in either face-to-face or back-to-back configuration to handle combined radial and axial loads. |
7001 CE/HCPA9ADGA Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Design: The use of ceramic balls significantly reduces centrifugal forces, enabling higher limiting speeds (up to 100,000 rpm) and providing excellent resistance to wear and thermal degradation.
- Precision Engineering: Manufactured to PA9A tolerance class with extra light preload, this bearing delivers exceptional running accuracy, low noise, and vibration, crucial for high-precision spindles.
- Phenolic Resin Cage: The lightweight phenolic cage offers high strength and excellent performance at high speeds, contributing to smooth operation and reduced inertia.
- Universal Matching Capability: As a universal matchable (SU) bearing, it simplifies mounting and enables optimized stiffness and load distribution in paired sets, effectively handling combined loads and moments.
7001 CE/HCPA9ADGA Bearing Typical Application Areas
- High-Speed Machine Tool Spindles
- Precision Grinding & Milling Applications
- High-Frequency Motors & Spindles
- Semiconductor Manufacturing Equipment
- Aerospace & Defense Instrumentation
- Medical & Dental Handpiece Drives
