S7005 FW/HC
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 FW/HC
Basic Information
System of measurement
Metric
Weight
0.068 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
12 mm
Width tolerance
-0.2mm to 0
Contact angle
18 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1843 lbf
Radial static load rating
911 lbf
Limiting speed
49 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 146.77
/ each
In Stock
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S7005 FW/HC Bearing Product Overview & Core Advantages
The S7005 FW/HC is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed and rigidity. This sealed bearing features a phenolic cage and ceramic balls, enabling superior performance in high-velocity environments. Its design is optimized to handle combined loads—significant radial loads alongside thrust loads in one direction—making it an ideal solution for high-precision, high-reliability systems. The P4 (ABEC-7) tolerance class ensures minimal runout and smooth operation, while the preloaded configuration provides immediate high stiffness.
S7005 FW/HC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7005 | Standard bearing series designation, indicating a 25mm bore, 47mm OD, and 12mm width. |
| FW | Likely indicates a specific cage design or manufacturing variant (e.g., a specialized phenolic cage). |
| HC | Signifies the use of Hybrid Ceramic components, specifically ceramic balls for reduced friction, lower heat generation, and higher speed capability. |
S7005 FW/HC Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The angular contact design, combined with a factory-set preload, eliminates internal clearance, providing immediate high rigidity and precise shaft positioning, critical for minimizing deflection under load.
- Superior Speed Performance: The combination of ceramic balls (lower density than steel) and a lightweight phenolic cage significantly reduces centrifugal forces, enabling a high limiting speed of 49,000 rpm.
- Enhanced Load Capacity: Engineered to support substantial radial dynamic load rating (1843 lbf) and one-directional axial loads simultaneously, making it suitable for combined load applications.
- Maintenance-Free Operation: The integrated seals retain the factory-applied lubricant and effectively shield the precision bearing from contaminants, ensuring long service life without re-lubrication.
- Thermal Stability: The hybrid ceramic construction offers improved performance across the specified temperature range (-30° to 110 °C) with less thermal expansion compared to all-steel bearings.
S7005 FW/HC Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where speed, precision, and reliability are paramount. Key applications include:
- High-Speed Spindles: CNC machining centers, precision grinding spindles.
- Advanced Medical Equipment: Dental handpieces, high-speed centrifuges.
- Aerospace & Defense Systems: Gyroscopes, navigation instruments, drone motors.
- Semiconductor Manufacturing: Wafer handling robots, precision stages.
