6918 2rs
6900 Series Thin Section Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6918 2rs Bearing Product Overview & Core Advantages
The 6918 2RS is a single row deep groove ball bearing designed for high-performance applications requiring reliable radial load capacity and sealed operation. Featuring metric dimensions with a 90 mm bore and 125 mm outside diameter, this bearing delivers robust performance in a compact 18 mm width profile. Its sealed construction with integrated contact seals (2RS) provides superior contamination protection while maintaining smooth operation. Manufactured to ABEC-1 precision tolerance with optimized radial internal clearance (C0), it ensures consistent performance in industrial applications demanding reliability and longevity.
Model Code Breakdown
| Code Segment | Technical Meaning | Performance Benefit |
|---|---|---|
| 6918 | Basic bearing designation: 90 mm bore, 125 mm OD, 18 mm width | Standardized dimensions for easy replacement and integration |
| 2RS | Double contact rubber seals on both sides | Effective protection against contaminants; extended service life |
6918 2rs Bearing Structural Features & Performance Benefits
Optimized Load Distribution: The single row deep groove raceway geometry enables efficient handling of radial loads (7380 lbf dynamic / 7110 lbf static ratings) while accommodating moderate axial loads in both directions.
Enhanced Sealing Performance: The double contact rubber seals (2RS) provide superior protection against dust, moisture, and other contaminants, making the bearing suitable for harsh operating environments while retaining lubrication effectively.
Precision Engineering: Manufactured with chrome steel rings and balls combined with a stainless steel cage, the bearing maintains dimensional stability and corrosion resistance. The ABEC-1 tolerance class ensures consistent running accuracy for smooth operation.
Thermal Compatibility: Operating temperature range of -30°C to 110°C allows for use in various industrial environments while maintaining performance characteristics.
6918 2rs Bearing Typical Application Areas
- Electric Motors - Main shaft support in industrial motors requiring sealed bearing solutions
- Industrial Gearboxes - Power transmission systems needing reliable radial load support
- Material Handling Equipment - Conveyor systems, pulley assemblies, and transfer mechanisms
- Agricultural Machinery - Implement drives and rotating components exposed to contaminants
- Industrial Pumps - Centrifugal and rotary pump applications requiring sealed bearing protection
- General Industrial Machinery - Various rotating equipment where reliable sealed bearing performance is essential
