S7001 CD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7001 CD/P4A
Basic Information
System of measurement
Metric
Weight
0.021 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
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
-0.005mm to 0
Width
8 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
10
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1010 lbf
Radial static load rating
428 lbf
Limiting speed
67 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:
$ 80.83
/ each
In Stock
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S7001 CD/P4A Bearing Product Overview & Core Advantages
The S7001 CD/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle and is supplied with a preload, enabling it to handle combined radial and axial loads simultaneously with high stability. Manufactured to a P4 (ABEC-7) tolerance class, it guarantees superior running accuracy and is pre-lubricated for immediate use, making it an ideal solution for high-speed spindles and other precision machinery.
S7001 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7001 | Basic bearing series and size designation (12mm bore, 28mm OD, 8mm width). |
| C | Specifies a 15° contact angle. |
| D | Indicates a preload is applied to the bearing. |
| P4A | Denotes a P4 (ABEC-7) tolerance class, signifying very high running accuracy. |
S7001 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Running Accuracy: The combination of a 15° contact angle and an applied preload significantly increases system rigidity, minimizes axial and radial play, and ensures precise shaft positioning, which is critical for applications like machine tool spindles.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry and high-grade lubricant contribute to a high limiting speed of 67,000 rpm.
- Superior Load Capacity: The angular contact design allows the S7001 CD/P4A to efficiently support significant combined radial and axial loads.
- Sealed and Lubricated for Life: As a sealed and pre-lubricated unit, this bearing is protected from contamination and is maintenance-free, ensuring long-term reliability and consistent performance.
S7001 CD/P4A Bearing Typical Application Areas
This precision bearing is engineered for high-performance applications, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Rotary Systems
- High-Frequency Motors
- Medical and Dental Handpieces
- Aviation and Aerospace Instrumentation
