71900 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
71900 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.008 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
22 mm
Outside diameter tolerance
-0.005mm to 0
Width
6 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
3.175 mm
Ball quantity
11
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
457 lbf
Radial static load rating
176 lbf
Limiting speed
185 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 100.81
/ each
In Stock
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71900 CE/HCP4A Bearing Product Overview & Core Advantages
The 71900 CE/HCP4A is a single-row angular contact ball bearing engineered for high-precision and high-speed applications. Its design is optimized to handle significant combined loads—simultaneously supporting radial and axial loads in one direction. Featuring a P4 (ABEC-7) tolerance class, ceramic balls, and a phenolic cage, this bearing delivers exceptional rotational accuracy, reduced friction, and superior performance in demanding environments.
71900 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 71900 | Basic bearing series designation for miniature angular contact bearings |
| CE | Contact angle of 15° |
| HC | Hybrid ceramic construction (ceramic balls with steel rings) |
| P4A | P4 tolerance class (ABEC-7) with specific running accuracy requirements |
71900 CE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: Ceramic balls provide superior hardness, reduced weight, and electrical insulation properties, resulting in lower friction, higher speed capability, and extended service life.
- High-Speed Performance: The combination of ceramic balls and a lightweight phenolic cage enables a limiting speed of 185,000 rpm, making it ideal for ultra-high-speed spindles.
- Precision & Rigidity: Manufactured to P4 (ABEC-7) tolerance class with a 15° contact angle, ensuring precise running accuracy and excellent rigidity under combined loads.
- Thermal Stability: The phenolic cage and ceramic balls maintain dimensional stability across a wide temperature range (-30° to 110°C).
- Preload Availability: Designed to accommodate preload for enhanced stiffness and reduced vibration in precision applications.
71900 CE/HCP4A Bearing Typical Application Areas
- High-Speed Machine Tool Spindles
- Precision Grinding Spindles
- Dental Handpieces
- Semiconductor Manufacturing Equipment
- Aerospace Instrumentation
- High-Frequency Motors
