7015 ACB/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7015 ACB/P4A
Basic Information
System of measurement
Metric
Weight
0.7 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.008mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
30
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4275 lbf
Radial static load rating
3735 lbf
Limiting speed
22 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:
$ 603.11
/ each
In Stock
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7015 ACB/P4A Bearing Product Overview & Core Advantages
The 7015 ACB/P4A is a single row angular contact ball bearing engineered for high-precision applications. Its defining feature is the 25° contact angle, which is optimized to support significant combined loads—handling both radial and axial loads in one direction simultaneously. Manufactured to the exacting P4 (ABEC-7) tolerance class, this bearing delivers exceptional running accuracy and rotational stability. The combination of a phenolic cage and the availability of preload makes it an ideal solution for machine tool spindles and other high-speed, high-rigidity systems where precision is paramount.
Model Code Breakdown
| Model Segment | Technical Meaning |
|---|---|
| 7015 | Standard bearing series designation, indicating a 75 mm bore, 115 mm OD, and 20 mm width. |
| ACB | Signifies a specific internal design with a 25° contact angle and optimized internal geometry for high performance. |
| P4A | Denotes the tolerance class P4 (ABEC-7), ensuring extremely tight dimensional and running accuracy for precision applications. |
7015 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single row angular contact design, coupled with the 25° contact angle and P4 precision, provides superior axial and radial stiffness. This is critical for applications requiring minimal deflection under load.
- Optimized Load Capacity: Engineered to handle combined loads efficiently. The dynamic load rating of 4275 lbf and static load rating of 3735 lbf reflect its robust performance in demanding conditions.
- Superior High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, contributing to a high limiting speed of 22,000 rpm. This makes it suitable for high-speed spindles.
- Precision Components: Constructed from high-grade chrome steel for rings and balls, ensuring durability and long service life. The open seal type allows for custom lubrication schemes to further optimize performance for specific operating conditions.
7015 ACB/P4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision and speed are critical. Key application areas include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Robotic Drives and Actuators
- Aerospace Control Systems
