7026 ACD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7026 ACD/P4A
Basic Information
System of measurement
Metric
Weight
3.23 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
130 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
200 mm
Outside diameter tolerance
-0.011mm to 0
Width
33 mm
Width tolerance
-0.24mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
22.225 mm
Ball quantity
21
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
31500 lbf
Radial static load rating
33750 lbf
Limiting speed
9 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:
$ 1647.13
/ each
In Stock
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7026 ACD/P4A Bearing Product Overview & Core Advantages
The 7026 ACD/P4A is a high-precision angular contact ball bearing designed for applications requiring exceptional accuracy and rigidity. Engineered to simultaneously handle radial loads and axial loads in one direction, this bearing features a 25° contact angle and is supplied with a preload for enhanced operational stability. Manufactured to P4 (ABEC-7) tolerance class, it guarantees superior running accuracy, making it ideal for high-speed spindles and other demanding precision machinery. Its robust construction and optimized internal geometry contribute to its high rigidity and long service life.
7026 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7026 | Standard bearing series number, indicating the bearing dimensions (130mm bore, 200mm OD, 33mm width). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies a high-capacity internal design, typically involving larger or more balls. |
| P4A | Indicates the tolerance class P4 (ABEC-7) and that the bearing is supplied with a specific preload for immediate high-performance operation. |
7026 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The angular contact design and preload provide superior stiffness, effectively resisting deflection under combined loads. With a radial dynamic load rating of 31,500 lbf, it is built for demanding applications.
- Optimized High-Speed Performance: The lightweight phenolic cage ensures stable operation and low centrifugal forces, contributing to a high limiting speed of 9,000 rpm.
- Precision Engineering: Manufactured to P4 precision tolerances with a tightly controlled contact angle of 25°, this bearing delivers exceptional running accuracy and low vibration.
- Superior Material Construction: Components made from chrome steel offer high hardness and wear resistance, ensuring durability and a long operational lifespan.
7026 ACD/P4A Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery where accuracy, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace Control Systems
- Medical and Dental Equipment
