22216EK Bearing Sizes 75x140x33 mm Spherical Roller Bearing Withdrawal Sleeve 22216 EK + AH 316

Spherical roller bearings are precision-engineered components designed to accommodate heavy radial loads and moderate axial loads while compensating for misalignment between the shaft and housing. These bearings feature barrel-shaped rollers arranged between an inner ring with two raceways and an outer ring with a common spherical raceway, enabling self-aligning capability up to 2-3 degrees.

Premium spherical roller bearings are manufactured from high-carbon chromium steel (GCr15/SAE 52100) through advanced heat treatment processes including quenching and tempering to achieve optimal hardness (HRC 60-65) and wear resistance. The rollers and raceways undergo precision grinding and superfinishing to ensure exceptional surface quality and dimensional accuracy. Modern variants may incorporate ceramic rollers or specialized coatings for extreme operating conditions.

Industrial Applications

These versatile bearings excel in heavy machinery applications where shaft deflection or mounting errors are unavoidable. Primary industries include mining equipment (crushers, vibrating screens), steel manufacturing (rolling mills, continuous casters), paper mills (dryer sections, calenders), and wind energy (main shaft bearings). They are also essential in marine propulsion systems, railway vehicles, and industrial gearboxes. Their robust design withstands shock loads, vibration, and contaminated environments, making them ideal for continuous operation in demanding industrial settings where reliability and longevity are paramount.