7009 ACD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7009 ACD/P4ADGB
Basic Information
System of measurement
Metric
Weight
0.47 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
75 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
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9945 lbf
Radial static load rating
9675 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
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
Price:
$ 154.57
/ each
In Stock
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7009 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7009 ACD/P4ADGB is a high-precision double row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to accommodate combined radial and axial loads simultaneously, this bearing features a universal matchable (SU) design, allowing two bearings to be paired for optimal performance. Its P4A tolerance class ensures ultra-precise dimensions and running accuracy, making it ideal for high-speed, high-reliability machinery where minimal runout and vibration are critical.
7009 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Designates a 25° contact angle and specific internal geometry optimized for high axial load capacity and rigidity. |
| P4A | Indicates an ultra-precision tolerance class with enhanced running accuracy and dimensional control beyond standard P4 levels. |
| DGB | Signifies a Universal Matchable (SU) bearing. Two bearings with this suffix can be universally paired in any combination to achieve the required preload (Light / Class B in this case). |
7009 ACD/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design and 25° contact angle provide superior rigidity and enable the bearing to support significant combined loads from multiple directions, ensuring stable operation under demanding conditions.
- Precision & High-Speed Performance: Manufactured to P4A tolerance standards and featuring a lightweight phenolic cage, this bearing achieves excellent running accuracy and is capable of high-speed operation up to 41,000 rpm.
- Universal Matchability: The Universal Matchable (SU) feature allows for flexible bearing arrangement. Two bearings can be mounted together in a back-to-back, face-to-face, or tandem configuration without selective matching, simplifying installation and ensuring consistent preload (Light / Class B).
- Material & Lubrication: Constructed from chrome steel for rings and balls, offering high durability and wear resistance. The bearing is pre-lubricated for immediate operation within a temperature range of -30°C to 110°C.
7009 ACD/P4ADGB Bearing Typical Application Areas
This precision bearing is ideally suited for:
- Machine Tool Spindles (e.g., grinding, milling, and turning centers)
- High-Frequency Motors and Spindles
- Precision Gearboxes and Drives
- Medical and Dental Equipment Spindles
- Aerospace Actuation Systems and Instrumentation
