The NA4909-XL is a high-performance machined needle roller bearing from INA, engineered for compact spaces where high radial load capacity is critical. With its 45×68×22 mm dimensions and PN7 precision class, it delivers exceptional rigidity and reliability. Designed with C3 radial clearance for thermal expansion tolerance, it maintains stable performance up to 8,600 rpm under grease lubrication. This bearing is ideal for automotive gearboxes, motor end covers, and industrial gearboxes, ensuring smooth power transmission and extended service life in demanding applications.