7011 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7011 CE/HCP4ADBA
Basic Information
System of measurement
Metric
Weight
0.72 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.004mm to 0
Width
36 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
24
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6210 lbf
Radial static load rating
5512 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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
Price available upon request.
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7011 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 7011 CE/HCP4ADBA is a precision duplex angular contact ball bearing designed for exceptional performance in demanding applications. This high-precision bearing features a back-to-back (DB) arrangement and is preloaded to Extra Light / Class A standards, delivering superior rotational accuracy and system rigidity. Its construction with ceramic balls and a phenolic cage enables outstanding high-speed capabilities and thermal stability. This bearing is engineered to handle combined loads efficiently, making it an ideal solution for high-accuracy, high-reliability machinery.
7011 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | Contact Angle 15° | Optimized for handling combined radial and axial loads. |
| HC | Hybrid Ceramic (Silicon Nitride Balls) | Reduced weight, lower friction, higher speed potential, and longer service life. |
| P4A | High Precision Tolerance Class | Guarantees exceptional running accuracy and minimal vibration for precision applications. |
| DB | Duplex Back-to-Back Arrangement | Provides high moment stiffness and can accommodate axial loads in both directions. |
7011 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity and System Stiffness: The duplex back-to-back (DB) arrangement and preload create a rigid bearing system that minimizes deflection under load, crucial for maintaining precision in machining and positioning.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage significantly reduces centrifugal forces and friction, allowing for a high limiting speed of 34,000 rpm.
- Excellent Load Capacity: The 15° contact angle and robust design provide a high dynamic and static load rating, enabling reliable operation under significant combined radial and axial loads.
- Thermal and Dimensional Stability: The phenolic cage offers excellent dimensional stability across the operating temperature range (-30°C to 110°C), while the hybrid construction reduces heat generation.
7011 CE/HCP4ADBA Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme precision and rigidity.
- High-Frequency Spindles: In PCB drilling and precision engraving machines.
- Precision Robotics: For high-accuracy joints and arms where stiffness and speed are critical.
- Advanced Medical Equipment: Such as high-speed dental handpieces and imaging device rotors.
- Aerospace Actuators and Instrumentation: Where reliability, light weight, and high-speed operation are paramount.
