S71913 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71913 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.17 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.008mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
24
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
3712 lbf
Radial static load rating
2745 lbf
Limiting speed
24 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:
$ 769.78
/ each
In Stock
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S71913 CE/HCP4A Bearing Product Overview & Core Advantages
The S71913 CE/HCP4A is a single-row angular contact ball bearing engineered for applications demanding ultra-high precision and superior high-speed performance. Its defining characteristic is the 15° contact angle, optimized to handle significant axial loads in one direction while supporting radial loads. Manufactured to the stringent P4 (ABEC-7) tolerance class, this bearing ensures exceptional running accuracy and rotational stability. The combination of a ceramic ball material and a phenolic cage contributes to lower friction, reduced weight, and the capability for higher limiting speeds, making it an ideal solution for high-reliability, high-RPM machinery.
S71913 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| 71913 | Standard designation for a high-precision angular contact bearing series with a 65mm bore. | Identifies the bearing's size and fundamental type. |
| C | Specifies a 15° contact angle. | Optimized for high-speed operation and axial load capacity. |
| E | Enhanced internal design with optimized ball complement and raceway geometry. | Increases load rating and improves high-speed performance. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls with steel rings. | Reduces friction, heat generation, and weight; allows for operation with less lubrication and at higher speeds. |
| P4A | Indicates a P4 (ABEC-7) tolerance class with specific running accuracy requirements. | Guarantees ultra-high precision, minimal vibration, and superior positional accuracy. |
S71913 CE/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The use of silicon nitride (Si3N4) ceramic balls provides exceptional benefits including lower density, higher hardness, and electrical insulation. This results in significantly recent friction and heat buildup, enabling a limiting speed of 24,000 rpm and extended service life.
- Phenolic Resin Cage: The lightweight and robust phenolic cage offers excellent dimensional stability and low friction at high speeds, contributing to the bearing's overall high-speed capability and smooth operation.
- Precision Raceway Grinding: Manufactured to P4 tolerance, the raceways and geometry are ground to extreme precision, ensuring minimal runout and vibration for applications requiring the highest levels of rotational accuracy.
- High Load Capacity: With a dynamic load rating of 3712 lbf and a static load rating of 2745 lbf, this bearing is designed to handle the demanding combined loads encountered in precision spindles.
- Pre-lubricated & Sealed: The bearing comes lubricated and sealed, protecting the precision internals from contamination and providing reliable, maintenance-free operation within its specified temperature range.
S71913 CE/HCP4A Bearing Typical Application Areas
This ultra-precision angular contact ball bearing is ideally suited for the most demanding high-speed and high-accuracy applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy actuators.
- Aerospace & Defense Systems: Gyroscopes, navigation instruments, and auxiliary power units.
- High-Frequency Motors and Spindles: PCB drilling spindles and dental handpieces.
