W 6303-2RS1/VT378
W Series Stainless Steel Bearings
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Part No.
Part No.
W 6303-2RS1/VT378
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.11 kg
Tolerance class
ABEC 1 | ISO P0
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.011mm to 0
Width
14 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
2630 lbf
Radial static load rating
1472 lbf
Limiting speed
22 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 6303-2RS1/VT378 Bearing Product Overview & Core Advantages
The W 6303-2RS1/VT378 is a single row deep groove ball bearing designed for exceptional performance in demanding applications. Engineered with stainless steel rings and balls, it offers superior corrosion resistance. Its key advantage lies in its sealed design and pre-lubrication, providing reliable, long-term operation with minimal maintenance. This bearing is optimized to handle significant radial loads and is characterized by its high limiting speed and consistent performance across a wide temperature range, making it a robust and dependable choice for precision machinery.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| W | Stainless Steel Bearing |
| 2RS1 | Contact seals on both sides, providing excellent protection against contamination and retaining lubricant. |
| VT378 | Specific high-performance grease filling, suitable for the specified temperature range and operating conditions. |
W 6303-2RS1/VT378 Bearing Structural Features & Performance Benefits
- Robust Construction: The single row deep groove raceway and stainless steel components provide excellent resistance to corrosion and wear, ensuring longevity in harsh environments.
- High Load Capacity: With a dynamic load rating of 2630 lbf and a static load rating of 1472 lbf, this bearing reliably supports substantial radial loads.
- Optimized for Speed: The design and ABEC 1 (ISO P0) precision class contribute to a high limiting speed of 22,000 rpm, suitable for high-speed applications.
- Maintenance-Free Operation: The 2RS1 contact seals effectively shield the bearing from contaminants, while the VT378 grease provides long-lasting lubrication, resulting in a sealed-for-life solution.
- Precision Fit: Tight dimensional tolerances on the bore, outside diameter, and width ensure predictable performance and ease of installation.
W 6303-2RS1/VT378 Bearing Typical Application Areas
This bearing is ideally suited for applications requiring corrosion resistance, high-speed capability, and reliable sealed performance. Key industries and equipment include:
- Food and Beverage Processing Machinery
- Medical and Laboratory Equipment
- Chemical Processing Pumps and Mixers
- Marine and Washdown Environments
- Electric Motors and Small Gearboxes
