The SKF 22308 KW33 is a premium self-aligning spherical roller bearing engineered to handle extreme radial and moderate axial loads in demanding industrial environments. Featuring two rows of rollers, the design intrinsically compensates for angular misalignment between the shaft and housing, making it indispensable in applications where deflection or mounting errors are common. The 'W33' designation confirms the presence of an annular groove and three lubrication holes in the outer ring, facilitating re-lubrication maintenance without disassembly, thereby maximizing uptime and bearing service life. With robust internal geometry optimized for high-performance vibratory machinery, this bearing ensures reliable operation even under severe operating conditions.
Optimized for heavy machinery across mining, aggregate processing, pulp and paper, and heavy gearboxes, the 22308 KW33 offers superior operational reliability compared to standard bearing types. Investing in the SKF brand guarantees rigorous quality control and precision manufacturing, which translates directly to lower maintenance costs and reduced operational risk over the machine lifecycle. Choose this high-load, maintenance-friendly bearing to ensure the longevity and efficiency of your critical industrial assets, backed by SKF’s global expertise and availability.
Key Features
Inherent self-aligning capability to handle static and dynamic misalignment.
W33 lubrication feature for easy re-lubrication and extended maintenance intervals.
Exceptional dynamic and static load ratings suitable for vibratory and shock loads.
Precision-engineered for high reliability in critical heavy industrial applications.
Robust design minimizes friction and heat generation, optimizing energy efficiency.
Technical Specifications
d
40 mm (Bore Diameter)
D
90 mm (Outer Diameter)
B
33 mm (Width)
Mass
1.05 kg
Basic Dynamic Load Rating (C)
158 kN
Basic Static Load Rating (C0)
158 kN
Fatigue Load Limit (Pu)
14 kN
Limiting Speed (Grease)
5000 r/min
Bearing Type
Spherical Roller Bearing
Lubrication Feature
W33 (Annular groove and three holes in outer ring)