The MRC 111-S is a premium single-row deep groove ball bearing engineered for high performance and sustained reliability in demanding industrial environments. Constructed from high-purity SAE 52100 bearing steel, this component features precision-ground raceways and optimized internal geometry (C3 radial internal clearance) designed to minimize friction and vibration even at high operating speeds up to 18,000 RPM. The 111-S configuration is standardly fitted with robust metal shields (Z/ZZ configuration) to retain high-grade lubricant and prevent ingress of contaminants, ensuring long service intervals and compliance with standard ABEC 1 (ISO P0) dimensional tolerances.
Optimized for applications requiring robust load capacity relative to size, the 111-S bearing delivers a superior combination of dynamic and static load handling, making it ideal for electric motors, gearboxes, pumps, and light textile machinery. Investing in the MRC 111-S guarantees improved operational efficiency and reduced Total Cost of Ownership (TCO) due to its exceptional durability and reduced maintenance requirements. Its standardized metric dimensions ensure drop-in replacement compatibility while delivering best-in-class performance stability necessary for maintaining critical industrial uptime.
Key Features
Constructed from high-carbon chromium steel (SAE 52100) for maximum fatigue life and durability.
Equipped with ZZ metal shields for lifetime lubrication retention and superior contaminant exclusion.
C3 internal clearance designation, optimizing performance for higher thermal expansion and speed requirements.
Precision-machined raceways minimize running noise and vibration, essential for high-precision motors.
Non-contact low-friction design maximizes energy efficiency and reduces operating temperature.
