W 617/4 R
W Series Stainless Steel Flanged Miniature Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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W 617/4 R Bearing Product Overview & Core Advantages
The W 617/4 R is a miniature deep groove ball bearing engineered for applications demanding compact design and reliable performance in limited spaces. As a single row, open type bearing, it is specifically designed to accommodate primarily radial loads. Manufactured entirely from stainless steel, it offers excellent corrosion resistance, making it suitable for various industrial environments. Its key advantages include a minimal cross-section, low weight, and operation across a wide temperature range, providing a robust solution for high-speed, precision mechanisms.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Deep Groove Ball Bearing |
| 617/4 | Bearing series and size designation (4 mm bore) |
| R | Flanged outer ring |
The flanged design (R) simplifies mounting and positioning within a housing, enhancing assembly accuracy and stability.
W 617/4 R Bearing Structural Features & Performance Benefits
- Compact & Lightweight Design: With a bore diameter of 4 mm, an outside diameter of 7 mm, and a width of just 2 mm, this bearing is ideal for miniaturized assemblies. The total weight is a mere 0.0003 kg.
- High-Speed Capability: The stainless steel cage and optimized internal geometry contribute to a high limiting speed of 95,000 rpm, supporting demanding operational requirements.
- Corrosion Resistance: All components, including rings, balls, and cage, are made from stainless steel, ensuring long-term performance in humid or corrosive environments.
- Standard Precision & Clearance: Manufactured to P0 tolerance class with a standard CN radial internal clearance, ensuring consistent and reliable performance for a wide range of applications.
W 617/4 R Bearing Typical Application Areas
This miniature flanged bearing is commonly specified in:
- Small Precision Motors and Stepper Motors
- Medical Devices and Dental Handpieces
- Optical Encoders and Instrumentation
- Office Automation Equipment (e.g., Printers, Scanners)
- Robotics and Miniature Gearboxes
