7012 ACE/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7012 ACE/P4A
Basic Information
System of measurement
Metric
Weight
0.42 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
95 mm
Outside diameter tolerance
-0.008mm 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° to 110 °C
Radial dynamic load rating
3668 lbf
Radial static load rating
2745 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 417.35
/ each
In Stock
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7012 ACE/P4A Bearing Product Overview & Core Advantages
The 7012 ACE/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. This P4 (ABEC-7) tolerance class bearing is designed to accommodate high combined loads, primarily thrust loads in one direction, making it ideal for machine tool spindles and other high-speed machinery. Its phenolic resin cage and optimized internal geometry contribute to superior high-speed performance and smooth operation.
7012 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACE | Indicates a 25° contact angle and specific internal design optimized for high-speed operation and high rigidity. |
| P4A | Denotes a P4 (ABEC-7) tolerance class with enhanced running accuracy requirements for the shaft and housing seatings. |
7012 ACE/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and robust construction enable the bearing to support significant combined radial and axial loads, providing stable and precise shaft positioning.
- Superior High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to a limiting speed of 28,000 rpm.
- Precision Engineering: Manufactured to P4 (ABEC-7) precision tolerance, this bearing guarantees minimal runout and vibration, which is critical for applications demanding the highest levels of accuracy.
- Optimized Internal Geometry: With a ball diameter of 7.938 mm and 25 balls, the bearing is designed for optimal load distribution and smooth operation.
7012 ACE/P4A Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for demanding applications, including:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Gearboxes
- High-Frequency Motors
- Medical Equipment (e.g., Dental handpieces)
- Aerospace Actuation Systems
