S7010 CE/P4AQBCA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 CE/P4AQBCA
Basic Information
System of measurement
Metric
Weight
1.04 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
64 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9360 lbf
Radial static load rating
9562 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Grease
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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S7010 CE/P4AQBCA Bearing Product Overview & Core Advantages
The S7010 CE/P4AQBCA is a high-precision quadruplex matched bearing set designed for applications requiring exceptional rigidity and rotational accuracy. This metric angular contact ball bearing configuration features an extra light preload (Class A) and is arranged in a back-to-back (QBC) quadruplex set, enabling it to handle significant combined loads (radial and axial) from multiple directions simultaneously. Manufactured to a P4A tolerance class, it delivers superior running accuracy and is ideal for high-speed, high-rigidity spindles in demanding industrial environments.
S7010 CE/P4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7010 CE | Basic bearing designation with internal design features. |
| P4A | Indicates a high-precision tolerance class, exceeding ABEC 7 standards, for minimal runout and vibration. |
| QBC | Denotes a Quadruplex Back-to-Back matched set arrangement. This configuration provides high moment rigidity and stability. |
S7010 CE/P4AQBCA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The quadruplex back-to-back (QBC) arrangement of four bearings creates an extremely rigid support system, effectively resisting complex moment loads and shaft deflection, which is critical for maintaining precision under heavy cutting forces.
- Superior Precision and Smooth Operation: Manufactured to P4A tolerance class with a 15° contact angle, this set ensures minimal runout and vibration. The phenolic resin cage contributes to smooth, quiet operation at high speeds with excellent acceleration characteristics.
- Optimized for High-Speed Performance: The combination of the lightweight phenolic cage, precision-ground chrome steel components, and grease lubrication allows for a high limiting speed of 34,000 rpm, making it suitable for modern high-speed machining centers.
- Sealed and Pre-lubricated: As a sealed bearing pre-filled with grease, it is protected from contamination and is ready for immediate installation, offering long-term, maintenance-free operation within its specified temperature range.
S7010 CE/P4AQBCA Bearing Typical Application Areas
This precision matched set is engineered for the most demanding applications, including:
- High-Speed Machine Tool Spindles: For CNC milling, grinding, and turning centers where accuracy, rigidity, and speed are paramount.
- Precision Grinding Spindles: Provides the necessary stability and runout accuracy for fine surface finishes.
- High-Frequency Motorized Spindles: Used in applications requiring extreme rotational speeds and dynamic response.
- Other Precision Rotary Equipment: Such as high-speed robotics, precision test equipment, and specialized medical devices.
