W 628/5-2RS1
W Series Stainless Steel Miniature Bearings
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Part No.
Part No.
W 628/5-2RS1
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.0015 kg
Tolerance class
P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
5 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
11 mm
Outside diameter tolerance
-0.008mm to 0
Width
4 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
91 lbf
Radial static load rating
32 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 628/5-2RS1 Bearing Product Overview & Core Advantages
The W 628/5-2RS1 is a single row deep groove ball bearing designed for compact applications requiring high reliability. Constructed entirely from stainless steel, it offers excellent corrosion resistance. Its key advantage lies in its sealed design (2RS1) with pre-lubricated grease, making it a maintenance-free solution that effectively protects against contaminant ingress. This bearing is engineered to primarily handle radial loads and is suitable for a wide operating temperature range, making it ideal for applications demanding precision and durability in challenging environments.
W 628/5-2RS1 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| W 628/5 | Basic bearing designation, indicating a stainless steel deep groove ball bearing with a 5 mm bore diameter. |
| 2RS1 | Signifies contact seals on both sides. The RS1 seal provides effective protection against dust and moisture, retaining lubricant for long service life. |
W 628/5-2RS1 Bearing Structural Features & Performance Benefits
- Robust Stainless Steel Construction: All components, including rings, balls, and cage, are made from stainless steel, providing superior corrosion resistance and suitability for washdown or chemically aggressive environments.
- Effective Sealing: The 2RS1 contact seals effectively shield the bearing interior from contaminants, ensuring reliable operation and extending the component's lifespan.
- Maintenance-Free Operation: Pre-lubricated with grease, the bearing is ready for immediate use and requires no relubrication, reducing maintenance costs and downtime.
- Precision & Reliability: Manufactured to P0 tolerance class and standard CN radial internal clearance, it ensures consistent performance and smooth operation in a variety of applications.
W 628/5-2RS1 Bearing Typical Application Areas
- Medical and Dental Equipment (e.g., small pumps, handpieces)
- Food and Beverage Processing Machinery
- Precision Instruments and Optical Devices
- Small Electric Motors and Gearboxes
- Office Automation Equipment
