W 628/9 R-2RS1
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 628/9 R-2RS1 Bearing Product Overview & Core Advantages
The W 628/9 R-2RS1 is a metric single row deep groove ball bearing designed for high reliability in compact applications. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) which effectively retains lubricant and excludes contaminants, making it a maintenance-free solution. This bearing is engineered to handle primarily radial loads and is characterized by its low friction, smooth operation, and long service life within its specified temperature range.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing |
| 628/9 | Bearing series and bore diameter (9 mm) |
| R | Flanged Outer Ring |
| 2RS1 | Contact seals on both sides for superior protection |
W 628/9 R-2RS1 Bearing Structural Features & Performance Benefits
- Robust Sealing: The 2RS1 contact seals provide an effective barrier against contaminants and secure the pre-applied grease lubrication, ensuring consistent performance and a long, maintenance-free operational life.
- Compact & Lightweight Design: With a flanged outer ring, this bearing simplifies mounting and axial location within a housing, saving space and reducing the overall weight of the assembly. The total weight is a mere 0.0047 kg.
- Corrosion Resistance: All components, including the rings, balls, and cage, are manufactured from stainless steel, making the bearing suitable for applications exposed to moisture or corrosive environments.
- Precision & Reliability: Manufactured to P0 tolerance class and standard CN radial internal clearance, this bearing delivers smooth and reliable running precision for a wide range of general-purpose applications.
W 628/9 R-2RS1 Bearing Typical Application Areas
This versatile and compact sealed bearing is ideal for a variety of applications requiring reliable performance in limited spaces, including:
- Small Electric Motors and Gearboxes
- Medical and Dental Equipment
- Food Processing and Packaging Machinery
- Precision Instruments and Optical Devices
- Office Automation Equipment (e.g., printers, scanners)
