1203 2RS
1200 Series Self Aligning Ball Bearings
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Basic Information
Main Dimensions
Inner Ring Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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1203 2RS Bearing Product Overview & Core Advantages
The 1203 2RS is a double row deep groove ball bearing designed for applications requiring robust performance in compact spaces. This metric bearing features integrated rubber seals (2RS) on both sides, providing excellent protection against contaminants and retaining lubricant. Its double row construction offers high radial load capacity and rigidity, making it suitable for applications where space is limited but performance cannot be compromised. The bearing comes pre-lubricated, ensuring immediate operation and long service life.
1203 2RS Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 1203 | Bearing series and size designation (17mm bore, 40mm OD, 12mm width) |
| 2RS | Contact rubber seals on both sides for superior contamination exclusion |
1203 2RS Bearing Structural Features & Performance Benefits
Double Row Design: The two rows of balls provide increased radial load capacity and high rigidity, offering stable performance under demanding conditions.
Sealed Construction: The 2RS rubber seals effectively prevent the ingress of contaminants while retaining lubricant, significantly extending bearing service life and enabling operation in harsh environments.
Nylon Cage: The glass fiber reinforced nylon cage provides quiet operation, low friction, and excellent performance at moderate speeds.
Pre-lubricated: Factory-applied grease ensures immediate startup and reliable operation, reducing maintenance requirements.
Precision Manufacturing: Manufactured from chrome steel with tight dimensional tolerances, ensuring consistent performance and long-term reliability.
1203 2RS Bearing Typical Application Areas
- Electric Motors and small power tools
- Automotive Components including pumps and alternators
- Industrial Gearboxes and transmission systems
- Material Handling Equipment such as conveyor rollers
- Agricultural Machinery components
- HVAC Systems fans and blowers
