7012 ACEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7012 ACEGA/P4A
Basic Information
System of measurement
Metric
Weight
0.42 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
18 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3668 lbf
Radial static load rating
2745 lbf
Limiting speed
33 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
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
Price:
$ 67.21
/ each
In Stock
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7012 ACEGA/P4A Bearing Product Overview & Core Advantages
The 7012 ACEGA/P4A is a single-row angular contact ball bearing designed for applications demanding high precision and superior running accuracy. Operating under the stringent P4A tolerance class, this bearing is engineered to handle significant axial loads in one direction and combined loads efficiently. Its extra light preload (Class A) minimizes deflection and ensures smooth, precise operation, making it an ideal choice for high-speed spindles and other precision machinery where rigidity and minimal runout are critical.
7012 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| EGA | Universal Matchable (SU) bearing, supplied in a set of 2 bearings that are precision-matched for optimal performance when mounted together. |
| P4A | Indicates a high-precision tolerance class with extremely tight dimensional and running accuracy tolerances. |
7012 ACEGA/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to P4A tolerance class with an extra light preload, this bearing provides exceptional rotational accuracy and system stiffness, reducing vibration and deflection under load.
- Superior Load Capacity: The 25° contact angle and robust chrome steel construction enable high axial load carrying capacity and reliable performance under combined loads.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures stability and low friction, contributing to a high limiting speed of 33,000 rpm. The bearing is supplied lubricated for immediate use.
- Universal Matching Design: As an EGA (SU) bearing supplied in a matched set of two, it simplifies installation and ensures pre-defined, optimal performance in duplex arrangements (e.g., back-to-back or face-to-face).
7012 ACEGA/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for demanding applications in:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Aerospace Control Systems
