7013 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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7013 CE/P4A Bearing Product Overview & Core Advantages
The 7013 CE/P4A is a single-row angular contact ball bearing engineered for applications demanding high precision and high-speed operation. Its defining feature is the 15° contact angle, which is optimized to support significant combined loads—handling both radial and axial forces simultaneously. Manufactured to the exacting P4 (ABEC-7) tolerance class, this bearing ensures exceptional running accuracy and rotational stability. The combination of a lightweight phenolic cage and a pre-applied lubricant contributes to its superior high-speed capabilities, making it an ideal choice for high-performance machinery where rigidity and reliability are paramount.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series, defining the standard dimensions: 65mm bore, 100mm outside diameter, 18mm width. |
| CE | Indicates a high-capacity internal geometry design with optimized ball size and quantity (25 balls of 8.731mm diameter). |
| P4A | Specifies the tolerance class P4 (ABEC-7) and a 15° contact angle, denoting a bearing designed for high precision and specific axial load capacity. |
7013 CE/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4 tolerance class ensures minimal runout and vibration, providing the dimensional stability required for ultra-precise applications. The optimized internal geometry contributes to a stiff bearing assembly.
- Superior Load Capacity: The 15° contact angle and high-capacity CE design enable the bearing to efficiently handle combined radial and axial loads.
- High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the pre-applied lubricant minimizes friction, allowing for a high limiting speed of 30,000 rpm.
- Durability and Reliability: Components made from chrome steel provide excellent wear resistance and long service life under demanding operating conditions.
7013 CE/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- High-Speed Pumps and Compressors
- Aerospace and Defense Actuators
