S71915 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71915 CE/P4A
Basic Information
System of measurement
Metric
Weight
0.34 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
105 mm
Outside diameter tolerance
-0.008mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
23
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
5062 lbf
Radial static load rating
3825 lbf
Limiting speed
17.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 965.08
/ each
In Stock
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S71915 CE/P4A Bearing Product Overview & Core Advantages
The S71915 CE/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior rotational accuracy. Operating under the stringent P4 (ABEC-7) tolerance class, it is designed to handle significant combined loads, including radial and one-direction axial loads, thanks to its 15° contact angle. Its compact design, featuring a phenolic cage and factory-applied lubrication, makes it an ideal solution for high-speed spindles and other precision machinery where rigidity and reliability are paramount.
S71915 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | High-capacity, optimized internal geometry with a 15° contact angle. | Enhanced axial load capacity and high-speed performance. |
| P4A | Indicates a P4 (ABEC-7) tolerance class with specific running accuracy requirements. | Guarantees exceptional dimensional precision and smooth, quiet operation for high-precision applications. |
S71915 CE/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P4 tolerance class with a phenolic resin cage, this bearing ensures minimal vibration and high running accuracy, providing the necessary rigidity for demanding applications.
- Superior Load Capacity: The optimized 15° contact angle and high-grade chrome steel construction enable it to support high combined loads (radial and axial).
- High-Speed Performance: The lightweight and robust phenolic cage, combined with pre-applied lubrication, allows for a high limiting speed of 17,500 rpm, making it suitable for high-speed spindles.
- Sealed & Lubricated for Life: As a sealed and pre-lubricated unit, it is protected from contamination and is ready for immediate installation, offering long-term, maintenance-free operation within its specified temperature range.
S71915 CE/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- High-Speed Pumps and Compressors
- Medical and Dental Equipment
- Aerospace Instrumentation
