7001 CE/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7001 CE/P4A Bearing Product Overview & Core Advantages
The 7001 CE/P4A is a single-row angular contact ball bearing designed for applications requiring high precision and superior running accuracy. Engineered to accommodate primarily axial loads in one direction and combined loads, its compact design and P4 (ABEC-7) tolerance class make it ideal for high-speed spindles and precision machinery. The bearing is pre-lubricated and features a phenolic cage, contributing to its excellent high-speed performance and operational stability.
7001 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7001 | Basic bearing series and size designation. |
| C | Designates a 15° contact angle, optimized for high-speed operation and moderate axial load capacity. |
| E | Indicates optimized internal geometry and enhanced ball complement for increased load rating. |
| P4 | Specifies the high precision tolerance class (equivalent to ABEC-7), ensuring minimal runout and superior rotational accuracy. |
| A | Denotes that the bearing is supplied with a specific preload for enhanced rigidity and precise shaft positioning. |
7001 CE/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4 tolerance class and preload ensure minimal deflection and high system rigidity, which is critical for applications demanding exceptional positional accuracy.
- Optimized Load Capacity: The 15° contact angle and enhanced internal design (E-suffix) provide excellent performance under combined (radial and axial) loads, with a dynamic load rating of 718 lbf.
- Superior High-Speed Performance: The lightweight phenolic resin cage and optimized internal geometry enable a high limiting speed of 127,000 rpm, making it suitable for very high-speed applications.
- Reliable Operation: Manufactured from chrome steel for both rings and balls, the bearing offers high durability and a wide operating temperature range from -30°C to 110°C.
7001 CE/P4A Bearing Typical Application Areas
The 7001 CE/P4A is ideally suited for high-performance machinery and systems where precision and speed are paramount. Key application areas include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Dental and Medical Handpieces
- High-Speed Robotic Drives
- Aerospace Instrumentation
