7010 ACD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7010 ACD/P4ADBB
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 Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7010 ACD/P4ADBB Bearing Product Overview & Core Advantages
The 7010 ACD/P4ADBB is a high-precision duplex angular contact ball bearing configured in a Back-to-Back (DB) arrangement. Engineered for demanding applications, this matched set delivers exceptional rigidity and stability under combined loads, including significant radial and bidirectional axial forces. Manufactured to a P4A tolerance class, it guarantees superior running accuracy, making it ideal for high-speed spindles and other precision machinery requiring uncompromising performance and reliability.
7010 ACD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| D | Indicates a duplex (two-bearing) set. |
| P4A | Denotes a high precision tolerance class for superior dimensional and running accuracy. |
| DB | Specifies the Back-to-Back mounting arrangement, which provides high moment rigidity. |
| B | Indicates a Light preload (Class B) for optimal stiffness and minimal deflection. |
7010 ACD/P4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) configuration creates a wide, rigid support system that effectively resists moment loads and shaft deflection, ensuring precise rotational alignment.
- Superior Load Capacity: The 25° contact angle and optimized internal geometry enable the bearing to handle substantial combined radial and axial loads from both directions simultaneously.
- Precision & High-Speed Performance: Manufactured to P4A tolerance standards and featuring a lightweight phenolic cage, this bearing ensures smooth operation, low vibration, and excellent performance at high rotational speeds.
- Optimized for Precision Applications: The bearings are supplied as a pre-lubricated and pre-matched set with a defined light preload, ensuring consistent performance, simplified installation, and immediate readiness for use in precision assemblies.
7010 ACD/P4ADBB Bearing Typical Application Areas
This precision bearing set is ideally suited for high-performance applications where accuracy, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Especially in robotics and high-accuracy transmission systems.
- High-Frequency Motors and Spindles: Used in PCB drilling and semiconductor manufacturing equipment.
- Medical and Laboratory Equipment: Centrifuges and high-speed scanners.
