S7009 ACE/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7009 ACE/P4A Bearing Product Overview & Core Advantages
The S7009 ACE/P4A is a precision single-row angular contact ball bearing engineered for high-performance applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running precision. Its key advantage lies in its ability to accommodate combined radial and axial loads simultaneously, making it ideal for arrangements requiring high stiffness and high-speed operation. The bearing comes preloaded and pre-lubricated, ensuring immediate operational readiness and long-term reliability in demanding environments.
S7009 ACE/P4A Bearing Model Code Explained, Specifications & Naming Convention
- S7009: Basic model number denoting a 45mm bore, 75mm OD, 16mm width single-row angular contact ball bearing.
- ACE: Internal design code specific to the manufacturer, typically indicating optimized internal geometry, contact angle, and preload specifications for high performance.
- P4A: Denotes the tolerance class P4 (ABEC-7) and likely includes additional manufacturer-specific designations for high-precision applications.
S7009 ACE/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The single-row design with a 25° contact angle and P4 precision provides high stiffness and minimal runout, essential for precise shaft positioning.
Superior Load Capacity: Engineered to handle significant combined radial and axial loads, with a dynamic load rating of 2722 lbf and a static load rating of 1834 lbf.
Optimized High-Speed Performance: The lightweight phenolic resin cage and optimized internal geometry contribute to a high limiting speed of 24,000 rpm, reducing centrifugal forces and operational temperatures.
Pre-lubricated and Sealed: Comes pre-filled with high-quality grease and features integral sealing, offering protection against contamination and providing long-term, maintenance-free operation within the specified temperature range.
S7009 ACE/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-precision, high-speed machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Medical and Laboratory Equipment
