7005 CE/HCP4AH1
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7005 CE/HCP4AH1
Basic Information
System of measurement
Metric
Weight
0.065 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.004mm to 0
Width
12 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
1872 lbf
Radial static load rating
934 lbf
Limiting speed
85 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
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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7005 CE/HCP4AH1 Bearing Product Overview & Core Advantages
The 7005 CE/HCP4AH1 is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. Engineered to a P4A tolerance class, it offers superior dimensional stability and running accuracy. A key advantage is its ability to accommodate combined loads, efficiently handling both radial and axial forces. The combination of a phenolic cage and ceramic balls enables outstanding high-speed capabilities and reduced rotational inertia. This bearing is preloaded and comes pre-lubricated, making it an ideal, ready-to-install solution for high-rigidity, high-reliability spindle assemblies.
7005 CE/HCP4AH1 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CE | Indicates a specific internal design and contact angle (15°) optimized for high-speed operation and rigidity. |
| HC | Signifies the use of Hybrid Ceramic balls, offering reduced weight, lower friction, and higher limiting speeds. |
| P4A | Denotes a very high precision tolerance class, exceeding ABEC 7 standards, for applications requiring minimal runout and vibration. |
7005 CE/HCP4AH1 Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerances, this bearing ensures precise shaft positioning and minimal deflection under load, which is critical for maintaining accuracy in machining and measurement.
- Superior High-Speed Performance: The phenolic resin cage offers excellent strength-to-weight ratio and smooth operation at high speeds, while the ceramic balls reduce centrifugal force and heat generation, collectively pushing the limiting speed to exceptional levels.
- Optimized Load Capacity: The 15-degree contact angle is engineered to effectively support significant combined loads, making it suitable for applications with simultaneous radial and axial forces.
- Preload & Matched Set: The bearing is supplied with a light preload, eliminating internal clearance for enhanced stiffness. It is designed to be used in matched sets of 2 (DB or DF arrangements) to achieve optimal system performance.
7005 CE/HCP4AH1 Bearing Typical Application Areas
This bearing is specifically engineered for the most demanding high-speed and high-precision machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and spindle drives requiring high accuracy and responsiveness.
- High-Frequency Motors: Spindles for PCB drilling and semiconductor manufacturing equipment.
- Advanced Medical Equipment: Dental handpieces and laboratory instrument drives.
