S7009 ACEGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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S7009 ACEGB/P4A Bearing Product Overview & Core Advantages
The S7009 ACEGB/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. This single-row bearing features a 25° contact angle and is supplied as a Universal Matchable (SU) set, allowing for precise preload configuration when mounted with its matched partners. Its core advantages include high running accuracy due to the P4A tolerance class, excellent high-speed capability supported by a phenolic cage, and the convenience of being pre-lubricated with grease for immediate installation and long-term performance.
S7009 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7009 | Basic bearing series designation. |
| AC | 25° contact angle, optimized for combined radial and axial loads. |
| E | Optimized internal design for enhanced load capacity and performance. |
| GB | Pre-lubricated with grease. |
| P4A | High-precision tolerance class, exceeding ABEC 7/ISO P4 standards for superior running accuracy. |
S7009 ACEGB/P4A Bearing Structural Features & Performance Benefits
High Precision and Rigidity: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter (45 mm) and outside diameter (75 mm), this bearing ensures minimal runout and high system rigidity for precise applications.
Superior Load Capacity: The 25° contact angle and optimized internal geometry enable it to efficiently support significant combined loads (radial and axial), with a dynamic load rating of 2722 lbf.
High-Speed Performance: The lightweight phenolic cage and optimized internal design contribute to a high limiting speed of 46,000 rpm, making it an excellent high-speed bearing.
Ready-to-Use and Matched Sets: Being pre-lubricated with grease and supplied as part of a Universal Matchable (SU) set of 3 bearings, it simplifies installation and ensures optimal preload and performance in matched arrangements.
S7009 ACEGB/P4A Bearing Typical Application Areas
The S7009 ACEGB/P4A is ideally suited for high-performance machinery requiring precision and speed, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Drives and Servo Motors
