W 637/4 X
W Series Stainless Steel Miniature Bearings
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Basic Information
Main Dimensions
Performance
Materials
Environment & Compliance
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Product Overview and Core Advantages
The W 637/4 X is a metric single row deep groove ball bearing designed for precision applications requiring high reliability. This open-type bearing features all-stainless steel construction, providing excellent corrosion resistance and durability. Its compact design with a 4mm bore and 10mm outer diameter makes it ideal for space-constrained applications while maintaining high radial load capacity and smooth operation capabilities.
Model Code Detailed Explanation
| Code Segment | Technical Meaning |
|---|---|
| W 637/4 | Basic bearing designation for deep groove ball bearing series |
| X | Special design or variant designation |
| Open | No seals or shields, allowing for higher speed operation |
| P0 | Normal tolerance class for standard precision applications |
| CN | Normal radial internal clearance group |
Structural Features and Performance Benefits
All-Stainless Steel Construction: The bearing features stainless steel rings, balls, and cage, providing superior corrosion resistance and making it suitable for harsh environments and applications requiring frequent washdown.
High-Speed Capability: The open design and optimized geometry allow for limiting speeds up to 80,000 rpm, making it ideal for high-speed miniature applications.
Precision Performance: Manufactured to P0 tolerance class with controlled radial internal clearance (CN group), ensuring consistent performance and smooth operation in precision mechanisms.
Compact Design: With dimensions of 4×10×3 mm and weight of only 0.001 kg, this bearing provides an optimal solution for miniature applications where space and weight are critical factors.
W 637/4 X Bearing Typical Application Areas
- Precision instruments and measuring devices
- Medical equipment and dental handpieces
- Small motors and miniature drives
- Office automation equipment including printers and scanners
- Robotics and miniature automation systems
- Optical devices and camera mechanisms
- Laboratory equipment requiring corrosion resistance
