S7015 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7015 CE/P4A
Basic Information
System of measurement
Metric
Weight
0.67 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
115 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
26
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
5850 lbf
Radial static load rating
4860 lbf
Limiting speed
16 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:
$ 723.41
/ each
In Stock
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S7015 CE/P4A Bearing Product Overview & Core Advantages
The S7015 CE/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is ideally suited for high-speed spindles and other precision machinery. Its key advantage lies in its ability to accommodate combined loads—simultaneously handling significant radial loads and axial loads in one direction—thanks to its specific 15° contact angle. The bearing comes preloaded and pre-lubricated from the factory, ensuring immediate high performance and simplified installation.
S7015 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model number S7015 CE/P4A provides detailed technical specifications:
- S70: Denotes a high-precision angular contact ball bearing series.
- 15: Indicates a 75 mm bore diameter (15 x 5 = 75 mm).
- CE: Specifies a contact angle of 15° and a specific internal design optimized for high stiffness and speed.
- P4A: Defines the tolerance class. P4 is equivalent to ABEC-7, indicating very high dimensional and running accuracy. The 'A' suffix indicates a specific preload level for optimal rigidity.
S7015 CE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance with a phenolic resin cage, this bearing ensures minimal runout and stable operation under high-speed conditions. The preload eliminates internal clearance, resulting in superior system stiffness and precise shaft positioning.
- Optimized Load Capacity: The 15° contact angle is engineered to efficiently support combined radial and axial loads. With a dynamic load rating of 5850 lbf and a static load rating of 4860 lbf, it offers reliable performance in demanding applications.
- High-Speed Performance: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 16,000 rpm, making it suitable for high-speed spindles.
- Ready-to-Install: The bearing is sealed and pre-lubricated, protecting it from contamination during handling and providing long-term, maintenance-free operation within its specified temperature range.
S7015 CE/P4A Bearing Typical Application Areas
This precision bearing is critical in high-performance machinery where accuracy and speed are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles
- High-Frequency Motors
- Medical and Dental Equipment
- Aerospace Instrumentation
