The SW 6203-2RS 1/2 bearing is engineered specifically for applications requiring a non-standard imperial bore (0.500 inch or 12.7mm) within the globally common 6203 series dimensions (40mm Outer Diameter). Constructed from high-quality through-hardened GCr15 bearing steel, this component provides exceptional operational reliability and resistance to wear, making it suitable for medium-duty industrial machinery. The integral -2RS double lip seals ensure superior contaminant exclusion and permanent grease retention, minimizing lubrication cycles and significantly extending service life in dusty or moist environments, achieving maximum operational stability up to 12,000 RPM.
As a Senior Product Manager, we recommend the SW 6203-2RS 1/2 for specialized maintenance, agricultural machinery, vintage equipment, and specific electric motor applications where the 1/2 inch shaft diameter is critical. This bearing provides a robust, fit-for-purpose solution that prevents premature failure associated with using lower-quality inserts or adaptors on incompatible shafts. The precision clearance and robust cage design ensure quieter running and excellent rigidity under moderate radial and axial loads, making it the preferred choice for reliable, low-maintenance power transmission systems.
Key Features
Specialized 1/2 inch (12.7mm) Imperial Bore Size for non-standard equipment retrofit.
Integrated -2RS contact seals provide maximum protection against dirt, moisture, and fine particulate matter.
Manufactured using precision-ground GCr15 high-carbon chromium steel for superior hardness and wear resistance.
Optimized internal geometry allows for stable operation under high radial and moderate axial loads.
Pre-lubricated with high-performance grease, ensuring maintenance-free operation for its rated lifespan.
