Key features
Standardized dimensions
- Inner diameter (bore): 17 mm
- Outer diameter: 40 mm
- Width: 12 mm
Variations
The “6203” designation refers to the bearing’s size, but suffixes indicate its specific features.
- Open: (e.g., 6203) – Has no seals or shields and is suitable for applications where frequent lubrication is possible and environmental protection is not a concern.
- Shielded: (e.g., 6203-ZZ) – Features metal shields on both sides to protect against debris while maintaining low friction. Best for dry, clean environments.
- Sealed: (e.g., 6203-2RS) – Features rubber seals on both sides to keep lubricant in and contaminants out. This design is best for dusty or humid environments and prolongs bearing service life.
Performance
- High-speed capability: The design is optimized for high rotational speeds, making it suitable for motors and power tools.
- Load capacity: It can support both radial loads (forces perpendicular to the shaft) and axial loads (forces parallel to the shaft).
- Low friction and noise: Precision engineering ensures smooth, quiet operation, which is crucial for applications like household appliances.
- Durability: Made from high-quality chrome or alloy steel, it offers excellent longevity and reliable performance.
Common applications
- Automotive: Used in engines, alternators, and wheels.
- Motors and pumps: Found in electric motors, water pumps, and compressors.
- Household appliances: Integrated into fans, washing machines, and air conditioners.
- Industrial machinery: Utilized in power tools, agricultural equipment, and conveyor systems.
- Bicycles and scooters: Often used in wheels and other moving parts.
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