W 618/5
W Series Stainless Steel Miniature Bearings
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W 618/5 Bearing Product Overview & Core Advantages
The W 618/5 is a metric single row deep groove ball bearing designed for precision applications requiring high reliability in compact spaces. Engineered from stainless steel throughout, it offers excellent corrosion resistance. Its primary strength lies in handling radial loads efficiently, making it an ideal component for applications demanding smooth operation and long service life within its specified parameters. The open design allows for versatile lubrication options, while the standard P0 tolerance and CN clearance ensure consistent performance.
W 618/5 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation |
|---|---|
| W | Stainless Steel Bearing Series |
| 618/5 | Deep Groove Ball Bearing Series with 5mm Bore Diameter |
Key Specification Highlights: The model designation implies an open seal type (no seals or shields), no pre-lubrication, and a standard CN radial internal clearance.
W 618/5 Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With dimensions of 5mm x 11mm x 3mm and a weight of only 0.0012 kg, this bearing is engineered for applications where space and weight are critical constraints.
- Corrosion Resistance: The use of stainless steel for all critical components (rings, balls, cage) ensures reliable operation in humid or mildly corrosive environments, enhancing longevity.
- Radial Load Capacity: The single row deep groove geometry is optimized to support the specified radial dynamic load rating of 91 lbf and radial static load rating of 32 lbf effectively.
- Precision Operation: Manufactured to P0 tolerance class with a CN radial internal clearance, this bearing provides consistent running accuracy and low vibration, suitable for general precision applications.
- Versatile Lubrication: The open structure allows for the application of various lubricants tailored to specific operational needs, such as high-speed or extreme temperature conditions.
W 618/5 Bearing Typical Application Areas
This bearing is suited for a variety of small, precision mechanisms and instruments, including:
- Small Electric Motors and Miniature Gearboxes
- Precision Instruments and Optical Devices
- Office Automation Equipment (e.g., Printers, Scanners)
- Medical Devices and Laboratory Equipment
- Radio Control Models and Small Robotics
