SKF
Tapered Roller Thrust Bearings
Tapered roller thrust bearings are designed to support heavy axial loads and can accommodate some radial load if required. SKF produces single direction and double direction types with very high axial stiffness and low friction. The tapered rollers ensure true rolling motion without skidding, even under high thrust. These bearings are used in applications like screw-down mechanisms in rolling mills, ship propeller thrust blocks, and heavy machinery where axial space is less constrained. They are typically oil-lubricated with cooling provisions. The separable components (shaft ring, housing ring, roller/cage) ease mounting and permit inspection. SKF’s precision manufacturing ensures long life under continuous high-pressure conditions.
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Extreme Axial Load Support
Tapered roller geometry for high thrust and moderate radial capacity.
Pure Rolling Contact
Eliminates sliding under load, reducing friction and wear.
High Stiffness
Essential for precise positioning in mill screw-downs.
Separable Rings
Easy to mount and maintain in large assemblies.
Oil Lubrication Friendly
Designed for high-flow oil systems for heat removal.
Long Service Life
Robust construction for continuous heavy-duty cycles.
Tapered Roller Thrust Bearings in Steel Mill Screw-Downs
In hot rolling mills, the screw-down mechanism must adjust roll gaps with precision under massive separating forces. Tapered roller thrust bearings provide the necessary axial stiffness and withstand intermittent shock loads. SKF supplies these as part of comprehensive mill bearing packages.
Comparison: Tapered vs. Cylindrical Roller Thrust Bearings
Tapered roller thrust bearings offer a higher speed capability than spherical thrust bearings and can carry a limited radial load, unlike cylindrical thrust types which are purely axial. This makes them versatile in applications like large vertical hydroelectric generators.