7000 ACD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7000 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.019 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
26 mm
Outside diameter tolerance
-0.005mm to 0
Width
8 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
9
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
893 lbf
Radial static load rating
360 lbf
Limiting speed
100 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:
$ 64.36
/ each
In Stock
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7000 ACD/P4A Bearing Product Overview & Core Advantages
The 7000 ACD/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to simultaneously handle combined radial and axial loads in one direction, this single-row bearing features a 25° contact angle for optimal thrust capacity. Manufactured to P4 (ABEC-7) tolerance class, it ensures minimal runout and vibration, making it ideal for high-speed spindles and precision machinery. Its preload availability further enhances system stiffness and positioning accuracy.
7000 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a P4 (ABEC-7) precision tolerance class with specific running accuracy requirements. |
7000 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The 25° contact angle and optimized internal geometry provide superior resistance to axial loads while maintaining significant radial load capacity, enabling reliable operation under combined loading conditions.
- High-Speed Performance: The lightweight, durable phenolic resin cage ensures stable operation and reduced centrifugal forces, contributing to the high limiting speed of 100,000 rpm.
- Precision Engineering: Manufactured to P4 super-precision tolerances with tight dimensional control on bore, outer diameter, and width, resulting in exceptional running accuracy and minimal vibration for sensitive applications.
- Optimized Internal Design: Features 9 high-grade chrome steel balls with a diameter of 4.762 mm, precisely arranged to maximize load distribution and service life.
7000 ACD/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Medical & Dental Equipment
- Aerospace Instrumentation
