The TIMKEN 450291 Spherical Roller Bearing is engineered specifically for the most demanding heavy-duty industrial applications where alignment errors, extreme radial loads, and shock loads are prevalent. Featuring two rows of symmetrical rollers, a rugged brass cage structure (M/MB), and enhanced internal geometry, this bearing (equivalent to 22220 K) provides unparalleled dynamic load capacity (Cr: 420 kN) and extended operational life. The highly polished raceways and optimized roller profiles ensure superior friction reduction and efficient heat dissipation, allowing for higher operating speeds and significantly reduced energy consumption compared to standard roller designs. This robust construction makes the 450291 ideal for operations in mining, aggregate processing, heavy gearboxes, and continuous casting machinery.
Investing in the TIMKEN 450291 drastically reduces total cost of ownership (TCO) by minimizing maintenance cycles and preventing catastrophic failures associated with misalignment. Its robust design allows it to accommodate dynamic misalignment up to 2 degrees without detrimental impact on performance or lifespan, making installation simpler and operational reliability higher. Manufactured using TIMKEN's proprietary high-quality steel alloys and subjected to rigorous quality control standards, the 450291 guarantees exceptional endurance in contaminated and high-vibration environments. This bearing is a core component for engineering reliability and maximizing uptime across critical industrial infrastructure.
Key Features
Exceptional dynamic load rating (420 kN) for high-stress applications.
Accommodates up to 2° of static and dynamic shaft misalignment.
Equipped with robust machined brass cage (MB) for maximum strength under shock loads and high temperatures.
C3 internal clearance optimized for industrial machinery operating with tight fits or temperature differentials.
Proprietary TIMKEN steel ensures superior resistance to fatigue and extended service life.
Tapered bore (K) allows for precise mounting using adapter or withdrawal sleeves.
