S7001 ACEGC/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7001 ACEGC/P4A Bearing Product Overview & Core Advantages
The S7001 ACEGC/P4A is a super-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a single bearing that is Universal Matchable (SU), it can be precisely paired with a second identical bearing to form a preloaded duplex set, offering superior system rigidity. Its key advantages include handling combined loads (radial and axial) efficiently, achieving very high limiting speeds, and providing reliable operation in a compact bearing size (12 mm bore). Manufactured to the exacting P4A tolerance class, it is the ideal choice for high-precision, high-reliability spindles and machinery.
S7001 ACEGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7001 | Series designation for a 12mm bore, super-precision angular contact ball bearing. |
| AC | Angular Contact design with a 25° contact angle. |
| E | Optimized internal geometry (e.g., ball size and quantity) for enhanced performance. |
| GC | Specific internal clearance/preload group, corresponding to a Moderate preload (Class C) when matched. |
| P4A | The tolerance class, denoting superior dimensional and running accuracy beyond ABEC 7. |
S7001 ACEGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 25° contact angle is engineered to support significant combined loads, including high axial loads in one direction. When used in a matched set, the preload delivers exceptional system stiffness.
- Superior High-Speed Performance: The lightweight, durable phenolic cage minimizes centrifugal forces and friction, directly contributing to the high limiting speed of 95,000 rpm. This makes it an excellent high-speed bearing.
- Precision Engineering: Manufactured to P4A tolerances, this bearing ensures minimal runout and vibration, which is critical for applications requiring extreme rotational accuracy.
- Sealed & Lubricated for Life: As a sealed bearing pre-lubricated with grease, it is protected from contamination and is maintenance-free within its specified temperature range of -30°C to 110°C.
S7001 ACEGC/P4A Bearing Typical Application Areas
The S7001 ACEGC/P4A is ideally suited for high-performance applications where precision and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and drilling spindles.
- Precision Instruments: Measuring devices, optical scanners, and laboratory equipment.
- High-Speed Motors: Spindles for PCB drilling and semiconductor manufacturing.
- Robotics: High-accuracy joints and arm assemblies.
