S7009 CB/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7009 CB/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
15 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
25
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2151 lbf
Radial static load rating
1620 lbf
Limiting speed
26 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:
$ 301.34
/ each
In Stock
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S7009 CB/P4A Bearing Product Overview & Core Advantages
The S7009 CB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. This single-row bearing features a 15° contact angle and is supplied with a preload, making it ideal for handling combined loads (radial and axial) simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it guarantees superior running accuracy and high-speed performance. Its compact design, sealed construction, and pre-lubrication ensure high reliability and long service life in demanding operational environments.
S7009 CB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7009 | Basic bearing series designation. |
| CB | Specific internal design and clearance for a matched preload arrangement. |
| P4A | Indicates a P4 (ABEC-7) tolerance class with specific dimensional and running accuracy requirements. |
S7009 CB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 15° contact angle and application of a preload significantly increase system rigidity, minimizing deflection under load and ensuring precise shaft positioning, which is critical for high-precision machinery.
- Superior Load Capacity: Engineered as an angular contact bearing, it efficiently supports combined radial and axial loads in one direction, making it suitable for applications with significant thrust requirements.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the precision-ground chrome steel components contribute to low vibration and a high limiting speed of 26,000 rpm.
- Sealed and Lubricated for Life: As a sealed and pre-lubricated unit, it is protected from contamination and is designed for long-term, maintenance-free operation within its specified temperature range.
S7009 CB/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where precision, speed, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: Especially in high-speed transmission systems.
- High-Frequency Motors and Spindles: Used in CNC machining and PCB drilling.
- Medical and Laboratory Equipment: Where quiet, precise, and reliable rotation is required.
- Robotics and Automation: For high-accuracy rotary joints and actuators.
