S7012 CE/P4ADBA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7012 CE/P4ADBA
Basic Information
System of measurement
Metric
Weight
0.86 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
95 mm
Outside diameter tolerance
-0.004mm to 0
Width
36 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6210 lbf
Radial static load rating
5738 lbf
Limiting speed
36 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
No drawings available at the moment, will be launched soon
In Stock
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S7012 CE/P4ADBA Bearing Product Overview & Core Advantages
The S7012 CE/P4ADBA is a super-precision duplex angular contact ball bearing designed for the most demanding applications. This metric bearing is configured in a Back-to-Back (DB) matched arrangement, providing exceptional system rigidity and stability. Its core advantage lies in its ability to handle combined loads (radial and axial) simultaneously, making it ideal for high-speed spindles and other precision machinery where accuracy and reliability are paramount. The P4A tolerance class and extra light preload (Class A) ensure smooth, quiet operation with minimal runout.
S7012 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7012 | Basic bearing series and size designation. |
| CE | Indicates a 15° contact angle, optimized for high-speed performance and moderate axial load capacity. |
| P4A | Denotes an ultra-precision tolerance class with specific running accuracy requirements, superior to ABEC 7. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement, which provides high moment rigidity. |
| A | Indicates an Extra Light Preload is applied to the matched set, minimizing friction and heat generation at high speeds. |
S7012 CE/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) design creates a wide, stable support base, significantly increasing system rigidity to resist deflection under complex loads and moments.
- Superior Load Capacity: Engineered to support combined radial and axial loads efficiently. The 15° contact angle provides an excellent balance for high-speed axial load carrying.
- Exceptional High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and reduced friction. Combined with the optimized internal geometry and grease lubrication, it enables a high limiting speed of 36,000 rpm.
- Precision & Accuracy: Manufactured to P4A tolerance class with extremely tight dimensional and running accuracy, ensuring minimal vibration and superior rotational precision for critical applications.
- Sealed & Pre-Lubricated: The sealed design protects against contamination, and the bearing is pre-lubricated with high-performance grease suitable for a temperature range of -30°C to 110°C, offering long-term, maintenance-free operation.
S7012 CE/P4ADBA Bearing Typical Application Areas
The S7012 CE/P4ADBA is engineered for high-performance machinery requiring ultimate precision and speed. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Internal and external grinding machines.
- High-Frequency Motors: Spindles for PCB drilling and routing.
- Industrial Pumps & Compressors: For applications demanding high rotational accuracy.
- Advanced Robotics: Precision joints and rotary axes.
