S7001 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7001 CE/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
3.969 mm
Ball quantity
12
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
718 lbf
Radial static load rating
302 lbf
Limiting speed
80 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:
$ 80.82
/ each
In Stock
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S7001 CE/P4A Bearing Product Overview & Core Advantages
The S7001 CE/P4A is a super-precision angular contact ball bearing designed for the most demanding high-speed and high-rigidity applications. As a single bearing with a 15° contact angle and P4 (ABEC-7) tolerance class, it delivers exceptional rotational accuracy and stability. Its key advantages include the ability to accommodate combined radial and axial loads, superior running accuracy for smooth operation, and optimized performance for high-speed spindles up to 80,000 rpm. The phenolic cage and preloaded design contribute to its outstanding dynamic response and reliability in precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| S7001 | Basic model number for a super-precision angular contact ball bearing with a 12mm bore, 28mm OD, and 8mm width. |
| CE | Indicates a 15° contact angle and a specific internal design optimized for high-speed operation and moderate axial loads. |
| P4A | Denotes a P4 tolerance class (equivalent to ABEC-7) with enhanced running accuracy requirements for the shaft and housing fits. |
S7001 CE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4 tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring extreme positional accuracy. The phenolic resin cage offers excellent dimensional stability and low friction at high speeds.
- Optimized Load Capacity: The 15° contact angle is engineered to support significant combined loads (radial and axial), making it ideal for applications where both load types are present simultaneously.
- Superior High-Speed Performance: The lightweight phenolic cage, precision-ground chrome steel components, and optimized internal geometry collectively enable a very high limiting speed of 80,000 rpm.
- Pre-Lubricated and Sealed: The bearing comes lubricated and sealed, protecting against contamination and providing long-term, maintenance-free operation within a temperature range of -30°C to 110°C.
S7001 CE/P4A Bearing Typical Application Areas
This super-precision bearing is ideally suited for high-performance equipment where speed, accuracy, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices, optical scanners, and coordinate measuring machines (CMM).
- High-Frequency Spindles: PCB drilling and routing spindles.
- Robotics: High-accuracy joints and actuators.
