7002 FE/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7002 FE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.025 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
15 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
32 mm
Outside diameter tolerance
-0.004mm to 0
Width
9 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
4.762 mm
Ball quantity
12
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
981 lbf
Radial static load rating
428 lbf
Limiting speed
121 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.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7002 FE/HCP4A Bearing Product Overview & Core Advantages
The 7002 FE/HCP4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered to accommodate combined radial and axial loads simultaneously, this bearing features a single-row design with a 15° contact angle for optimal load distribution. Its P4A tolerance class ensures ultra-precise running accuracy, making it ideal for high-speed spindles and precision machinery. The combination of a phenolic cage and ceramic balls contributes to lower friction, higher limiting speeds (121,000 rpm), and superior performance in demanding operational environments.
7002 FE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| FE | Indicates a specific internal design and preload level optimized for high rigidity and precise rotational accuracy. |
| HC | Signifies the use of Hybrid Ceramic balls, which reduce weight, friction, and heat generation, enabling higher speeds. |
| P4A | Denotes an ultra-precision tolerance class with very tight dimensional and running accuracy tolerances. |
7002 FE/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The phenolic resin cage and lightweight ceramic balls significantly reduce centrifugal forces, allowing for a very high limiting speed of 121,000 rpm.
- High Rigidity and Precision: The preload (indicated by FE suffix) eliminates internal clearance, resulting in superior shaft positioning accuracy and system stiffness, which is critical for precision machining.
- Superior Load Capacity: The 15° contact angle is optimized to handle significant combined loads (radial and axial), providing reliable performance under complex loading conditions.
- Reduced Friction and Wear: Hybrid ceramic construction offers excellent resistance to wear and operates with lower friction and heat generation compared to all-steel bearings, extending service life.
- Wide Temperature Range: Suitable for operation within a temperature range of -30°C to 110°C.
7002 FE/HCP4A Bearing Typical Application Areas
This high-precision angular contact bearing is ideally suited for applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces, high-speed centrifuges.
- Aerospace Systems: Gyroscopes, navigation instruments.
- Semiconductor Manufacturing: Wafer handling robots, precision stages.
