W 626 R-2Z
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 626 R-2Z Bearing Product Overview & Core Advantages
The W 626 R-2Z is a single row deep groove ball bearing designed for precision applications requiring reliable performance in compact spaces. Featuring stainless steel construction throughout (rings, balls, and cage) and integral shielded seals (2Z), this metric bearing delivers excellent corrosion resistance and contamination protection. Its flanged outer ring facilitates simplified mounting and alignment in housings. Pre-lubricated with grease, it offers maintenance-free operation and is capable of handling radial loads effectively, making it ideal for applications demanding high reliability and long service life.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing Series |
| 626 | Bore Diameter: 6 mm, Outer Diameter: 19 mm, Width: 6 mm |
| R | Flanged Outer Ring |
| 2Z | Non-Contact Shields on Both Sides (providing effective seal against contaminants while maintaining low friction) |
W 626 R-2Z Bearing Structural Features & Performance Benefits
- Compact & Robust Design: The single row deep groove raceway and stainless steel construction provide a compact bearing solution with high resistance to corrosion and wear.
- Effective Sealing: The 2Z non-contact shields protect the bearing interior from dust and other contaminants, significantly extending service life and enabling maintenance-free operation in many environments.
- Simplified Mounting: The flanged outer ring (R designation) ensures easy and precise axial location within a housing, reducing assembly time and complexity.
- Pre-Lubricated for Long Life: Factory-filled grease lubrication ensures immediate operation and reliable performance across the specified temperature range (-30°C to 120°C) without requiring initial re-lubrication.
- Precision Performance: Manufactured to P0 tolerance class and standard CN radial internal clearance, this bearing offers consistent and smooth running for a wide range of general-purpose applications.
W 626 R-2Z Bearing Typical Application Areas
The W 626 R-2Z is ideally suited for applications requiring a compact, corrosion-resistant, and maintenance-free bearing solution. Common uses include:
- Small Electric Motors and Fans
- Medical Equipment and Dental Handpieces
- Food Processing Machinery (where corrosion resistance and cleanability are critical)
- Precision Instruments and Optical Devices
- Office Automation Equipment such as printers and scanners
