W 6203
W Series Stainless Steel Bearings
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Part No.
Part No.
W 6203
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.061 kg
Tolerance class
P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
40 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
1812 lbf
Radial static load rating
1068 lbf
Limiting speed
26 X 1000 rpm
Lubrication
None
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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W 6203 Bearing Product Overview & Core Advantages
The W 6203 is a single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity. Manufactured entirely from stainless steel, it offers excellent corrosion resistance. Its open design allows for versatile lubrication options and facilitates high-speed operation. This bearing is characterized by its compact dimensions, precision P0 tolerance class, and compliance with RoHS and REACH standards, making it a robust and environmentally conscious choice for demanding industrial environments.
W 6203 Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation |
|---|---|
| W | Designates a bearing series, typically indicating specific design features. |
| 62 | Indicates the bearing series, defining the cross-sectional dimensions and general performance characteristics. |
| 03 | Specifies the bore diameter code. For this metric bearing, code '03' corresponds to a 17 mm bore. |
| (No Suffix) | The absence of additional suffixes confirms an open (unsealed) bearing with standard CN radial internal clearance and no pre-applied lubrication. |
W 6203 Bearing Structural Features & Performance Benefits
- All-Stainless-Steel Construction: Rings, balls, and cage are made from stainless steel, providing superior corrosion resistance and durability in harsh or washdown environments.
- Deep Groove Raceway: The geometry of the deep groove raceway is optimized to support significant radial loads and moderate axial loads in both directions.
- High-Speed Capability: The open design and stainless steel cage minimize friction and allow for a high limiting speed of 26,000 rpm, suitable for demanding rotational applications.
- Precision Performance: Built to P0 tolerance class with controlled radial internal clearance (CN), ensuring consistent running accuracy and smooth operation.
- Versatile Lubrication: The open structure permits the application of specialized greases or oils tailored to specific operational needs, including extreme temperatures.
W 6203 Bearing Typical Application Areas
This bearing is ideal for applications requiring corrosion resistance, high-speed operation, and reliable radial load support. Common uses include:
- Food and Beverage Processing Machinery
- Medical and Dental Equipment
- Chemical Processing Pumps and Mixers
- Precision Instruments and Optical Devices
- Agricultural Machinery
- Marine and Submersible Equipment
