6203/C3W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
6203/C3W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
Tolerance class
ABEC 1 | ISO 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
-0.120mm 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
C3
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 5.31
/ each
In Stock
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6203/C3W64 Bearing Product Overview & Core Advantages
The 6203/C3W64 is a single row deep groove ball bearing designed for robust performance in demanding applications. This metric bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its key advantages include a generous C3 radial internal clearance for thermal expansion management, Solid Oil lubrication for maintenance-free operation, and construction from high-grade Chrome Steel for durability. With an ABEC 1 | ISO P0 tolerance class, it offers reliable precision for general industrial use.
6203/C3W64 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6203 | Standard bearing series designation (17mm bore, 40mm OD) | Standardized dimensions for easy interchangeability |
| C3 | Radial internal clearance greater than Normal (CN) | Accommodates thermal expansion in applications with high operating temperatures or interference fits |
| W64 | Designation for Solid Oil lubrication | Provides a sealed, maintenance-free lubrication system that prevents oil leakage and extends service life |
6203/C3W64 Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The optimized raceway geometry enables smooth operation and efficient handling of radial loads and combined loads, making it a versatile ball bearing solution.
- C3 Radial Internal Clearance: This feature is critical for applications prone to thermal expansion, such as electric motors, ensuring consistent performance and preventing seizure under temperature variations.
- Solid Oil Lubrication (W64): The bearing is filled with a polymer matrix saturated with oil, creating a sealed, leak-proof environment. This eliminates relubrication needs, reduces contamination risk, and is ideal for applications where grease purging is undesirable.
- Chrome Steel Construction: All core components—rings, balls, and cage—are manufactured from Chrome Steel, providing high hardness, wear resistance, and a long operational lifespan under the specified dynamic and static load ratings.
- Open Seal Type: The non-contact, open design minimizes friction, allowing the bearing to achieve its maximum limiting speed of 17,000 rpm, suitable for high-speed applications.
6203/C3W64 Bearing Typical Application Areas
- Electric Motors: A primary application, where the C3 clearance and Solid Oil lubrication manage heat and provide maintenance-free operation.
- Industrial Gearboxes: Used for supporting shafts and handling radial loads in various power transmission systems.
- Pumps and Compressors: Ideal for applications requiring reliable, sealed bearings that can operate at moderate to high speeds.
- Material Handling Equipment: Conveyors, fans, and other machinery benefit from its robust load capacity and durability.
- Agricultural Machinery: Provides reliable performance in demanding environments where contamination and maintenance access can be challenges.
