S7009 ACB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7009 ACB/P4A
Basic Information
System of measurement
Metric
Weight
0.26 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.006mm to 0
Outside diameter
75 mm
Outside diameter tolerance
-0.007mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
25
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2034 lbf
Radial static load rating
1530 lbf
Limiting speed
24 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:
$ 301.3
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7009 ACB/P4A Bearing Product Overview & Core Advantages
The S7009 ACB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. As a single-row bearing with P4 (ABEC-7) tolerance class, it delivers superior running precision. Its key advantage lies in its ability to accommodate combined loads—simultaneously handling significant radial loads and axial loads in one direction. The bearing comes preloaded and lubricated from the factory, ensuring immediate high-performance operation, optimal stiffness, and reduced vibration in high-speed applications.
S7009 ACB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACB | Indicates a specific contact angle (25°) and preload grade, optimized for high rigidity and precise shaft positioning. |
| P4A | Denotes a P4 (ABEC-7) tolerance class, signifying very high dimensional and running accuracy for precision machinery. |
S7009 ACB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 25° contact angle and factory-applied preload eliminate internal clearance, resulting in high system stiffness, precise shaft guidance, and minimal runout.
- Superior Load Capacity: Engineered to support combined loads effectively, with a high dynamic load rating of 2034 lbf, making it suitable for applications with significant radial and one-direction axial forces.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures stable operation and low centrifugal forces, contributing to a high limiting speed of 24,000 rpm. The pre-applied grease is formulated for high-speed operation.
- Durability and Reliability: Manufactured from chrome steel for both rings and balls, the bearing offers excellent wear resistance and long service life under demanding conditions.
S7009 ACB/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications requiring speed and precision, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Drives and Servo Motors
