SKF
Spherical Roller Thrust Bearings
Spherical roller thrust bearings feature asymmetrical barrel-shaped rollers arranged at an angle to the bearing axis. This design enables them to accommodate very heavy axial loads and simultaneous radial loads, as well as compensate for angular misalignment between shaft and housing. SKF spherical roller thrust bearings are used in hydroelectric turbine thrust blocks, marine propeller shafts, large extruders, and heavy rotating equipment where high reliability under continuous load is paramount. The sphered housing washer provides the self-aligning function, while the shaft washer and roller/cage assembly carry the load. SKF Explorer quality in these bearings offers vastly improved fatigue life and wear resistance, often doubling service intervals.
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Self-Aligning Under Load
Compensates for shaft deflection or housing misalignment.
High Combined Load Capacity
Handles heavy axial load and appreciable radial force.
Low Friction, High Speed
Despite high loads, frictional losses are controlled.
Separable Design
Facilitates mounting and inspection in tight vertical shafts.
SKF Explorer Long Life
Enhanced purity steel and surface finish increase durability.
Oil Lubrication with Cooling
Designed for forced oil systems in hydro and marine uses.
Spherical Roller Thrust Bearings in Hydroelectric Generators
Vertical hydro turbines impose enormous axial water thrust on the thrust bearing. SKF spherical roller thrust bearings with tilting pad style lubrication and cooling support these loads reliably for decades. Their self-aligning characteristic accommodates the generator’s thermal and structural movements.
Why spherical roller thrust bearings excel in high-capacity marine thrust blocks
Propeller shafts in large vessels generate continuous thrust. SKF bearings ensure smooth operation with minimal maintenance. The spherical alignment prevents edge loading from hull deformation, safeguarding bearing life.