6203-RS1/MT
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-RS1/MT
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
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
40 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
2147 lbf
Radial static load rating
1079 lbf
Limiting speed
17 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6203-RS1/MT Bearing Product Overview & Core Advantages
The 6203-RS1/MT is a single row deep groove ball bearing designed for reliable performance in demanding applications. This metric bearing excels in handling radial loads and offers robust operation due to its sealed construction. Its compact design, featuring a 17 mm bore and 40 mm outside diameter, makes it an ideal choice for applications requiring high reliability and space efficiency. Manufactured from chrome steel for both rings and balls, it ensures durability and consistent performance.
6203-RS1/MT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| RS1 | Contact Rubber Seal on One Side | Provides effective protection against contaminants while retaining lubrication. |
| /MT | Pre-lubricated with High-Quality Grease | Ensures smooth operation from installation and extends service intervals. |
6203-RS1/MT Bearing Structural Features & Performance Benefits
- Robust Sealed Design: The RS1 contact seal effectively shields the bearing interior from dust, moisture, and other contaminants, significantly enhancing operational reliability in harsh environments.
- Optimized Load Capacity: Engineered with a deep groove raceway, this bearing efficiently supports significant radial dynamic loads (up to 2147 lbf) and moderate axial loads in both directions.
- High-Speed Capability: With a limiting speed of 17,000 rpm, it is suitable for high-rotation applications. The combination of a chrome steel cage and optimized internal geometry contributes to stable performance at high velocities.
- Maintenance-Free Operation: The integrated seal and factory-applied grease lubrication (/MT) create a closed, lubricated system, enabling long-term, maintenance-free operation within the specified temperature range (-30°C to 120°C).
- Precision Manufacturing: Produced to ABEC 1 | ISO P0 tolerance class with standard CN radial internal clearance, ensuring consistent performance and easy interchangeability.
6203-RS1/MT Bearing Typical Application Areas
- Electric Motors and Generators
- Industrial Gearboxes and Power Transmission Systems
- Pumps and Compressors
- Material Handling Equipment (Conveyors, Fans)
- Agricultural Machinery
- Automotive Components (Alternators, Starters)
