7005 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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7005 CE/P4A Bearing Product Overview & Core Advantages
The 7005 CE/P4A is a single row angular contact ball bearing designed for applications demanding exceptional precision and high-speed performance. Engineered to withstand combined loads (simultaneous radial and axial loads), this bearing features a 15° contact angle optimized for high axial load capacity. Its P4 (ABEC-7) tolerance class ensures superior running accuracy, making it ideal for high-precision spindles and machinery. The phenolic cage and preload availability contribute to its high rigidity and stable rotational characteristics, essential for maintaining precision under demanding operating conditions.
7005 CE/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Advantage |
|---|---|---|
| CE | Contact angle of 15° | Optimized for high-speed operation with balanced axial and radial load capacity |
| P4A | ABEC-7 precision tolerance class | Superior running accuracy and dimensional stability for precision applications |
7005 CE/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance class with precise bearing dimensions (25mm bore, 47mm OD, 12mm width) ensuring minimal runout and vibration.
Optimized Load Capacity: The 15° contact angle enables efficient handling of combined radial and axial loads, with dynamic load rating of 1872 lbf and static load rating of 934 lbf.
High-Speed Performance: The phenolic resin cage provides excellent strength-to-weight ratio, contributing to the impressive limiting speed of 70,000 rpm while reducing centrifugal forces.
Premium Material Selection: Constructed from chrome steel for both rings and balls (6.35mm diameter, 14 balls), ensuring durability and consistent performance across the operating temperature range of -30° to 110°C.
Preload Capability: Available with preload for enhanced stiffness and rotational accuracy, critical for applications requiring minimal deflection under load.
7005 CE/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring exceptional accuracy
- High-Speed Motors: Spindle motors and high-frequency applications demanding reliable performance at elevated speeds
- Precision Instruments: Measuring equipment and laboratory instruments where minimal vibration is critical
- Robotics: Joint and articulation points in industrial robots requiring high rigidity and precision
- Aerospace Components: Guidance systems and control mechanisms where reliability and accuracy are paramount
