S7011 CE/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7011 CE/P4A
Basic Information
System of measurement
Metric
Weight
0.4 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.008mm to 0
Width
18 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
3780 lbf
Radial static load rating
2745 lbf
Limiting speed
22 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:
$ 434.01
/ each
In Stock
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S7011 CE/P4A Bearing Product Overview & Core Advantages
The S7011 CE/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle, enabling it to support combined radial and axial loads simultaneously. Manufactured to a P4 (ABEC-7) tolerance class, it delivers superior running accuracy and is preloaded for enhanced stiffness and reduced vibration. Its compact design, sealed construction, and pre-lubrication make it an ideal solution for high-speed spindles and other precision machinery requiring reliable, long-term performance.
S7011 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | High-capacity, machined phenolic resin cage design. | Enables superior high-speed performance and stability with reduced friction. |
| P4A | Dimensional and running accuracy to P4 (ABEC-7) tolerance class. | Guarantees high precision and minimal runout for critical applications. |
S7011 CE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Preload: The bearing is supplied with a light preload, significantly increasing system stiffness and improving rotational accuracy by minimizing axial and radial play.
- Superior Load Capacity: The optimized 15° contact angle and high-grade chrome steel construction provide excellent capacity for handling combined loads.
- Optimized High-Speed Performance: The phenolic resin cage (CE) is lightweight and robust, contributing to a high limiting speed of 22,000 rpm by reducing centrifugal forces and ensuring smooth operation.
- Sealed and Lubricated for Life: As a sealed bearing pre-filled with high-quality grease, it is protected from contamination and is maintenance-free, ensuring long service life within its specified temperature range.
S7011 CE/P4A Bearing Typical Application Areas
This precision bearing is engineered for high-performance applications, including:
- Machine Tool Spindles: For CNC machining centers, grinding spindles, and other high-precision equipment.
- High-Speed Motors: Used in spindles for PCB drilling, dental handpieces, and other small, high-RPM motors.
- Precision Instrumentation: Critical for optical scanners, measuring devices, and laboratory equipment.
- Robotics and Automation: Ideal for high-accuracy joints and servo motors requiring minimal backlash.
