7010 ACD/P4ADFA
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7010 ACD/P4ADFA
Basic Information
System of measurement
Metric
Weight
0.51 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
32 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
10395 lbf
Radial static load rating
10462 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Face-to-Face (DF)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7010 ACD/P4ADFA Bearing Product Overview & Core Advantages
The 7010 ACD/P4ADFA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex face-to-face (DF) matched set features an Extra Light (Class A) preload and adheres to the stringent P4A tolerance class, ensuring superior running accuracy and minimal vibration. Its primary advantage lies in its ability to handle combined radial and axial loads simultaneously, making it an ideal choice for high-precision spindles and other critical machinery components where stability and high performance are paramount.
7010 ACD/P4ADFA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7010 | Basic bearing designation (50mm bore, 80mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Duplex (two bearings supplied as a matched set). |
| P4A | High precision tolerance class, defining very tight dimensional and running accuracy limits. |
| DF | Matched arrangement: Face-to-Face (DF). This configuration provides high rigidity and is tolerant to misalignment. |
| A | Specifies the preload level: Extra Light (Class A), optimized for high-speed operation with minimal friction. |
7010 ACD/P4ADFA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex face-to-face (DF) arrangement of two preloaded bearings creates a highly rigid bearing system capable of withstanding significant combined loads (radial and axial from both directions). The 25° contact angle is optimized for carrying substantial axial loads.
- Precision & High-Speed Performance: Manufactured to P4A tolerance class, this bearing ensures exceptional running accuracy. The phenolic cage is lightweight and robust, contributing to smooth operation and a high limiting speed of 46,000 rpm. The Extra Light preload (Class A) minimizes friction and heat generation at high speeds.
- Superior Material & Construction: Both rings and balls are made from high-grade Chrome Steel, providing excellent wear resistance and durability. The open seal type allows for optimal lubrication management in controlled environments.
7010 ACD/P4ADFA Bearing Typical Application Areas
This bearing is engineered for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles
- High-Frequency Motors
- Medical & Dental Equipment Spindles
- Aerospace & Defense Instrumentation
