63803
63800 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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63803 Bearing Product Overview & Core Advantages
The 63803 metric ball bearing is a high-performance single row deep groove ball bearing designed for reliable operation in a wide range of industrial applications. Engineered with precision ABEC-1 tolerances, this bearing excels at handling radial loads while offering smooth, low-friction rotation. Its compact design, featuring a 17 mm bore and 7 mm width, makes it an ideal solution for space-constrained assemblies requiring a robust and dependable precision bearing.
63803 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 63 | Series designation, indicating a deep groove ball bearing with specific dimensional proportions. |
| 8 | Indicates a shielded variant. However, the specification for this model is "Open". |
| 03 | Bore diameter code, corresponding to a 17 mm bore. |
| Open | No seals or shields, allowing for higher speeds and easier relubrication. |
| C0 | Standard radial internal clearance group. |
63803 Bearing Structural Features & Performance Benefits
The performance of the 63803 bearing is derived from its robust construction and high-quality materials. The single row design with a deep groove raceway provides excellent radial load capacity (502 lbf dynamic, 328 lbf static). The stainless steel cage ensures stability and reduced wear at the limiting speed of 29,000 rpm. Manufactured from chrome steel for both rings and balls, it offers high durability and resistance to deformation under load. The open seal type minimizes friction, making it suitable for high-speed applications, though it requires an external lubrication system. The standard C0 radial clearance and precise ABEC-1 tolerance class guarantee consistent performance and easy installation.
63803 Bearing Typical Application Areas
This versatile ball bearing is commonly specified in applications demanding reliability and precision, including:
- Small Electric Motors and Gearboxes
- Precision Instruments and Medical Devices
- Office Automation Equipment (e.g., printers, scanners)
- Cooling Fans and Pumps
- Light-duty Industrial Machinery
