7001 ACDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7001 ACDGC/P4A Bearing Product Overview & Core Advantages
The 7001 ACDGC/P4A is a single-row angular contact ball bearing engineered for high-precision applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and is preloaded (Moderate / Class C) to ensure optimal stiffness and minimal axial/radial play in operation. Its 25° contact angle is optimized to support significant combined loads, handling both radial and one-directional axial forces simultaneously. The phenolic cage and universal matchable (SU) designation make it ideal for high-speed spindle arrangements and other demanding precision machinery.
7001 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DGC | Duplex arrangement, Ground Back Face, and Moderate Preload (Class C). |
| P4A | High precision tolerance class for superior dimensional and running accuracy. |
7001 ACDGC/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The moderate preload (Class C) eliminates internal clearance, providing high system rigidity and precise shaft positioning, which is critical for high-precision applications.
- Superior Load Capacity: The 25° contact angle enables the bearing to efficiently support combined radial and axial loads from a single direction.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures stability and reduced centrifugal forces, contributing to the high limiting speed of 110,000 rpm. The open design allows for efficient lubrication management.
- Universal Matching Capability (SU): This bearing is universally matchable, allowing for simplified mounting in duplex sets (back-to-back, face-to-face, or tandem) to achieve the required stiffness and load capacity without selective assembly.
7001 ACDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- High-Frequency Motors
- Medical and Dental Equipment
- Aerospace Control Systems
