S7010 CE/P4ADBA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 CE/P4ADBA
Basic Information
System of measurement
Metric
Weight
0.52 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
32 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
5738 lbf
Radial static load rating
4770 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7010 CE/P4ADBA Bearing Product Overview & Core Advantages
The S7010 CE/P4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This matched pair in a back-to-back (DB) arrangement is preloaded to Extra Light / Class A specifications, ensuring minimal axial and radial play for superior operational stability. Its primary advantage lies in its ability to handle combined loads—significant radial and bidirectional axial loads simultaneously—making it an ideal choice for high-speed, high-precision spindles and machinery where rigidity and running accuracy are paramount.
S7010 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance & Advantage |
|---|---|---|
| CE | High-Capacity, Optimized Internal Design | Indicates an enhanced internal geometry with a larger ball complement and optimized raceway, resulting in higher dynamic load ratings and extended service life. |
| P4A | High Precision Tolerance Class | Denotes extremely tight dimensional and running accuracy tolerances (superior to ABEC 7), essential for applications requiring minimal vibration and high positional accuracy. |
| DB | Duplex Back-to-Back Arrangement | The two bearings are mounted back-to-back, providing high moment rigidity and the ability to withstand overturning moments, enhancing system stability. |
| A | Extra Light Preload | Specifies the preload level applied to the matched set, minimizing internal clearance for high stiffness and precise shaft positioning without generating excessive heat at high speeds. |
S7010 CE/P4ADBA Bearing Structural Features & Performance Benefits
- Superior Rigidity and Running Accuracy: The duplex back-to-back (DB) arrangement with a controlled preload creates a highly rigid bearing system that effectively resists deflection under load, ensuring exceptional running accuracy and repeatability for precision machining and positioning.
- High Load Capacity: The CE design, featuring a 15° contact angle and a full complement of 21 balls, provides excellent capability for handling combined radial and axial loads in both directions.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the grease lubrication and sealed design are optimized for the specified limiting speed of 34,000 rpm, ensuring stable operation.
- Precision and Longevity: Manufactured to P4A tolerance class from high-grade chrome steel, this bearing guarantees consistent performance, low noise, and a long operational life in demanding environments.
S7010 CE/P4ADBA Bearing Typical Application Areas
The S7010 CE/P4ADBA is engineered for high-performance applications across various industries, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Rotary Systems: CNC indexing heads, rotary tables, and robotic arms.
- High-Frequency Motors and Spindles: Where high rotational accuracy and rigidity are critical.
- Medical and Laboratory Equipment: Centrifuges and precision instruments.
- Aerospace and Defense Systems: Gyroscopes, radar platforms, and other precision mechanisms.
