7013 CEGB/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 CEGB/P4A Bearing Product Overview & Core Advantages
The 7013 CEGB/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. This single bearing features a 15° contact angle and is optimized to handle combined loads, efficiently supporting both radial and axial forces. Manufactured to P4A tolerance class, it delivers superior running accuracy and rotational precision. With its light preload (Class B) and universal matching (SU) capability, it enables simplified mounting in precision spindle arrangements and high-rigidity systems.
7013 CEGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing designation: 65mm bore, 100mm OD, 18mm width |
| CEGB | Enhanced internal design with optimized contact geometry and surface finish |
| P4A | High precision tolerance class with enhanced running accuracy requirements |
7013 CEGB/P4A Bearing Structural Features & Performance Benefits
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0) ensuring minimal runout and vibration for high-speed applications.
Optimized Internal Design: Features a phenolic resin cage that provides excellent strength-to-weight ratio and reduced friction, contributing to the high limiting speed of 31,000 rpm.
Superior Load Capacity: With a radial dynamic load rating of 4568 lbf and static load rating of 3510 lbf, this bearing delivers reliable performance under combined loading conditions.
Material Excellence: Constructed from chrome steel for both rings and balls, providing high hardness, wear resistance, and dimensional stability across the operating temperature range of -30°C to 110°C.
7013 CEGB/P4A Bearing Typical Application Areas
The 7013 CEGB/P4A is ideally suited for precision applications requiring high rotational accuracy and speed capabilities:
- Machine Tool Spindles - High-speed machining centers and precision grinding machines
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Spindle motors and high-frequency drives
- Aerospace Components - Guidance systems and precision actuators
- Medical Equipment - Dental handpieces and surgical tools requiring exceptional precision
