6203-2RSL/W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-2RSL/W64
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
Soild Oil
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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6203-2RSL/W64 Bearing Product Overview & Core Advantages
The 6203-2RSL/W64 is a sealed single row deep groove ball bearing designed for exceptional reliability and long service life in demanding applications. Its core advantage lies in the combination of Solid Oil lubrication and contact seals (2RSL), which provides superior contamination protection and a maintenance-free operational lifespan. This bearing is engineered to handle significant radial loads and is characterized by its low friction and smooth operation, making it an ideal choice for applications requiring consistent performance with minimal maintenance.
6203-2RSL/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6203 | Standard series designation for a single row deep groove ball bearing with a 17mm bore, 40mm OD, and 12mm width. |
| 2RSL | Indicates contact seals on both sides. The "SL" denotes a low-friction, synthetic rubber seal for effective protection against contaminants. |
| W64 | Signifies that the bearing is pre-lubricated with Solid Oil, a polymer matrix saturated with lubricant, offering excellent retention and long-term lubrication. |
6203-2RSL/W64 Bearing Structural Features & Performance Benefits
- Maintenance-Free Operation: The combination of 2RSL contact seals and Solid Oil (W64) creates a sealed, lubricated-for-life system. This eliminates the need for re-lubrication, reduces maintenance costs, and prevents lubricant wash-out in challenging environments.
- High Contamination Resistance: The low-friction contact seals provide a superior barrier against dust, dirt, and moisture compared to non-contact shields, significantly extending bearing service life.
- Robust Load Capacity: Manufactured from chrome steel for both rings and balls, this bearing delivers a high radial dynamic load rating of 2147 lbf, ensuring reliable performance under substantial radial loads.
- Stable Performance: The Solid Oil lubrication ensures consistent performance across its wide operating temperature range (-30°C to +120°C) and is not prone to leakage, making it suitable for clean or food-sensitive applications.
6203-2RSL/W64 Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial and commercial equipment where reliability and minimal maintenance are critical. Key application areas include:
- Electric Motors and Small Gearboxes
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery and Pumps
- Food & Beverage Processing Equipment (where lubricant leakage must be avoided)
- Ventilation Fans and HVAC Systems
