7013 FEGA/HCPA9A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7013 FEGA/HCPA9A
Basic Information
System of measurement
Metric
Weight
0.39 kg
Tolerance class
PA9A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
4568 lbf
Radial static load rating
3442 lbf
Limiting speed
32.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
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7013 FEGA/HCPA9A Bearing Product Overview & Core Advantages
The 7013 FEGA/HCPA9A is a single row angular contact ball bearing engineered for exceptional precision and performance in demanding applications. Positioned as a high-precision bearing with a PA9A tolerance class, it delivers superior running accuracy. A key advantage is its universal matchable (SU) design, allowing two bearings to be paired in a back-to-back (DB) or face-to-face (DF) arrangement to support combined loads. The use of ceramic balls and a phenolic cage contributes to its high limiting speed and reduced weight, making it ideal for applications requiring high rotational accuracy and rigidity.
7013 FEGA/HCPA9A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| F | Machined Brass Cage | High strength and suitability for high-speed operation. |
| E | Optimized Internal Design | Increased load capacity and speed capability. |
| GA | Light Preload | Reduces axial and radial play for enhanced system rigidity. |
| /HCPA9A | High Precision Tolerance Class (PA9A) | Guarantees extremely tight dimensional and running accuracy for superior performance. |
7013 FEGA/HCPA9A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single row angular contact design, combined with the GA light preload, ensures minimal deflection under load, providing high system rigidity and precise shaft positioning, critical for high-precision machinery.
- Superior Load Capacity: Engineered with an optimized internal structure (suffix E), this bearing effectively handles combined radial and axial loads simultaneously. The 18° contact angle is ideal for applications with significant axial loads.
- Exceptional High-Speed Performance: The combination of a phenolic resin cage and ceramic (Si3N4) balls significantly reduces centrifugal forces and friction, enabling a very high limiting speed of 32,500 rpm. This also provides electrical insulation and reduced weight.
- Pre-Lubricated & Open Design: The bearing comes pre-lubricated for immediate operation. The open seal type allows for optimal re-lubrication cycles in high-speed applications, though it requires a clean operating environment.
7013 FEGA/HCPA9A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and lathe spindles requiring extreme accuracy and rigidity.
- High-Speed Motors and Spindles: Electric motors, frequency converter motors, and other high-RPM drive systems.
- Precision Robotics: Joint and arm actuators where high positional accuracy and dynamic response are critical.
- Aerospace and Defense Systems: Gyroscopes, radar equipment, and other precision instruments.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
