The HOFFMANN MS11AC is a premium, high-capacity Spherical Roller Bearing engineered specifically for heavy industrial applications subject to high shock loads, vibration, and shaft misalignment. Featuring two rows of rollers and a common sphered outer ring raceway, the MS11AC is manufactured from high-grade, vacuum-degassed bearing steel, ensuring exceptional fatigue life and operational reliability. Its optimized roller profile minimizes edge stresses, while the robust brass cage (MB designation) maintains precise roller guidance even under extreme acceleration and load variations. This design provides superior dynamic load ratings (C) and static capacity (Co) necessary for critical machinery operation.
Designed to maximize uptime, the MS11AC integrates internal C3 radial clearance, suitable for applications requiring thermal expansion accommodation or interference fit. This self-aligning capability significantly simplifies installation and mitigates performance degradation caused by mounting errors or dynamic housing deflection, leading to reduced maintenance cycles and lower total cost of ownership. The MS11AC is the professional choice for OEMs and MROs seeking unparalleled operational stability in gearboxes, mining equipment, vibratory screens, and pulp & paper machinery, delivering consistent performance where standard bearings fail.
Key Features
Exceptional Self-Aligning Capability to compensate for shaft misalignment up to 0.5 degrees.
High Dynamic and Static Load Ratings (C=250 kN) suitable for vibratory and shock-load applications.
C3 Radial Internal Clearance optimized for thermal growth and heavy interference fits.
Manufactured from high-purity, vacuum-degassed bearing steel for extended operational life.
Robust Machined Brass Cage (MB) provides maximum durability and consistent roller guidance at high speeds.
Optimized Roller Geometry reduces friction and heat generation, improving energy efficiency.
Designed for heavy industrial machinery, including mining conveyors and steel mills.
