7012 CE/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7012 CE/P4ADT
Basic Information
System of measurement
Metric
Weight
0.84 kg
Tolerance class
P4A
Seal type
Open
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
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
In Stock
Price available upon request.
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7012 CE/P4ADT Bearing Product Overview & Core Advantages
The 7012 CE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This duplex tandem (DT) arrangement features two bearings preloaded against each other, delivering superior axial rigidity and the ability to handle significant combined loads. Manufactured to the stringent P4A tolerance class, it ensures minimal runout and stable performance in high-precision machinery. The phenolic cage and optimized design contribute to its high-speed capabilities, making it an ideal solution for spindles and other critical rotating components.
7012 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates a 15° contact angle, optimized for high-speed applications with combined radial and axial loads. |
| P4A | Denotes a high-precision tolerance class with enhanced dimensional and running accuracy, exceeding ABEC 7 standards. |
| DT | Signifies a Duplex Tandem matched set. Two bearings are mounted in tandem to increase axial load capacity and rigidity in one direction. |
7012 CE/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 15° contact angle provide exceptional axial stiffness, enabling the bearing to withstand heavy combined loads (radial and axial) with minimal deflection.
- Precision Performance: Manufactured to P4A tolerance class, this bearing ensures extremely tight dimensional control, resulting in smooth, quiet operation and high rotational accuracy essential for precision equipment.
- High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, while the optimized internal geometry allows for a high limiting speed of 34,000 rpm, making it suitable for high-speed spindles.
- Optimized for Performance: The open seal type allows for custom lubrication schemes to further enhance speed and temperature performance within the specified temperature range of -30°C to 110°C.
7012 CE/P4ADT Bearing Typical Application Areas
- Machine Tool Spindles: High-precision milling, grinding, and turning centers.
- High-Frequency Motors: Spindles for PCB drilling and precision engraving.
- Precision Instrumentation: High-speed rotary tables and measuring devices.
- Advanced Robotics: Joints and actuators requiring high rigidity and accuracy.
