Reliability under pressure. The 34306/34478 RICH tapered roller bearing is designed for the toughest mechanical demands, delivering superior support where precision, strength, and endurance are critical. Built for high-load environments, this single row tapered roller bearing offers a 77.788 mm inner diameter, 121.442 mm outer diameter, and a total width of 24.608 mm, making it a powerful solution for gearboxes, axles, drivetrains, and agricultural machinery.
This bearing is a direct OE replacement for multiple CASE reference codes:
Its inner ring width of 23.012 mm and outer ring width of 17.462 mm are precision-ground for minimal friction and maximum rolling smoothness—even under variable or high-impact loads. With a modest weight of 0.94 kg, it integrates easily into high-performance systems without compromising structural integrity.
Manufactured in China by RICH, this bearing features a separable cone and cup design for simplified assembly, inspection, and replacement. Whether used in agricultural, industrial, or construction equipment, it ensures prolonged service life and reliable torque transfer.
Data sheet