6303-2RSH/VA947
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6303-2RSH/VA947
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.12 kg
Tolerance class
P6
Seal type
Sealed
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.009mm to 0
Width
14 mm
Width tolerance
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
3215 lbf
Radial static load rating
1472 lbf
Limiting speed
11 X 1000 rpm
Lubrication
Grease
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6303-2RSH/VA947 Bearing Product Overview & Core Advantages
The 6303-2RSH is a single row deep groove ball bearing designed for exceptional reliability and performance in demanding applications. This metric bearing features integral contact seals (2RS) for effective contamination exclusion and is pre-lubricated with grease for long service life. Its P6 tolerance class ensures high running accuracy, making it suitable for applications requiring precise shaft guidance and smooth operation. The combination of chrome steel rings, a stainless steel cage, and optimized internal geometry enables it to handle significant radial loads while maintaining a high limiting speed.
Model Code Breakdown
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6303 | Basic Bearing Series & Size | Standard deep groove ball bearing with 17mm bore, 47mm OD, 14mm width. |
| 2RS | Sealing Type | Two integral contact seals (one on each side) providing superior protection against contaminants. |
| H | Lubrication | Indicates the bearing is filled with a specific, high-performance grease lubricant. |
6303-2RSH/VA947 Bearing Structural Features & Performance Benefits
- Robust Sealing & Contamination Resistance: The 2RS contact seals effectively retain grease and exclude dirt, dust, and moisture, significantly enhancing bearing life in harsh environments.
- High Load Capacity & Precision: Manufactured to P6 tolerance with chrome steel components, this bearing offers high dimensional stability and can sustain a radial dynamic load rating of 3215 lbf, ensuring reliable performance under load.
- Optimized High-Speed Capability: The lightweight stainless steel cage provides excellent strength and corrosion resistance, contributing to stable operation and a high limiting speed of 11,000 rpm.
- Maintenance-Free Operation: Being pre-lubricated and sealed, the bearing is ready for use and requires no relubrication, reducing maintenance costs and downtime.
- Wide Operating Temperature Range: Suitable for use in temperatures from -30°C to 120°C, accommodating a broad spectrum of industrial applications.
6303-2RSH/VA947 Bearing Typical Application Areas
This versatile and reliable bearing is commonly specified in:
- Electric Motors and Small Gearboxes
- Industrial Pumps and Fans
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
