7001 ACEGB/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 ACEGB/P4A Bearing Product Overview & Core Advantages
The 7001 ACEGB/P4A is a single row angular contact ball bearing engineered for high-precision applications. Designed to accommodate combined loads, it efficiently supports significant axial loads in one direction alongside radial loads. Its P4A super precision tolerance, light preload (Class B), and universal matching capability make it an ideal choice for machine tool spindles and other high-speed, high-accuracy systems requiring exceptional rotational accuracy and rigidity.
7001 ACEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7001 | Basic bearing series, 12mm bore, 28mm OD |
| AC | 25° contact angle |
| E | Optimized internal design |
| GB | Light preload (Class B) |
| /P4A | Super precision tolerance class |
7001 ACEGB/P4A Bearing Structural Features & Performance Benefits
High Precision & Rigidity: The P4A tolerance class ensures minimal runout and vibration, while the light preload eliminates internal clearance, providing superior shaft positioning accuracy and system stiffness.
Optimized Speed Performance: The phenolic resin cage offers low friction and is ideal for high-speed operation, contributing to the bearing's limiting speed of 110,000 rpm.
Universal Matching: Designated as Universal Matchable (SU), these bearings can be universally paired in any combination to form matched sets, simplifying the creation of preloaded duplex arrangements (e.g., DB, DF, DT) for enhanced rigidity.
Superior Material: Manufactured from chrome steel for both rings and balls, ensuring high durability and long service life under demanding conditions.
7001 ACEGB/P4A Bearing Typical Application Areas
This precision angular contact bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- High-Speed Grinding Spindles
- Precision Robotics
- High-Frequency Motors
- Medical and Dental Equipment
- Aviation Instrumentation
