7010 ACD/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7010 ACD/P4ADBA
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
Extra light / Class A
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:
$ 184.49
/ each
In Stock
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7010 ACD/P4ADBA Bearing Product Overview & Core Advantages
The 7010 ACD/P4ADBA is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This matched back-to-back arrangement provides superior stability under combined loads, effectively handling radial forces and bidirectional axial thrust. Manufactured to P4A tolerance class, it ensures minimal runout and vibration, making it ideal for high-precision, high-reliability machinery. The phenolic cage and optimized contact angle of 25° contribute to its outstanding high-speed performance and smooth operation.
7010 ACD/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact, Duplex arrangement. Specifically denotes a Back-to-Back (DB) mounting configuration. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards. Ensures tight dimensional control on bore, outside diameter, and width for superior running accuracy. |
| DB | Duplex Back-to-Back. The two bearings are universally matched and preloaded to provide high rigidity and moment load capacity. |
7010 ACD/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity & Moment Load Capacity: The back-to-back duplex design creates a wide, stable support base, significantly increasing system rigidity and resistance to moment loads, which is critical for precision spindles.
- Superior Load Handling: With a 25° contact angle and duplex preload, this bearing excels at carrying combined radial and axial loads from both directions simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the precision-ground chrome steel components ensure balanced operation, enabling a high limiting speed of 46,000 rpm.
- Pre-Configured for Precision: Supplied as a pre-loaded and matched set, the 7010 ACD/P4ADBA eliminates complex mounting procedures, ensuring consistent, high-performance operation right out of the box.
7010 ACD/P4ADBA Bearing Typical Application Areas
This bearing is engineered for the most demanding applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Applications requiring extreme accuracy and minimal runout.
- High-Frequency Motors and Spindles: Where high rotational speeds and rigidity are paramount.
- Robotic Drives and Precision Gearboxes: For accurate positioning and high torque transmission.
