NTN Kugellagerfabrik (Deutschland) G.m.b.H.

KOYO st2455 Bearing


Screw-down Bearings

Screw-down bearings are mainly used in screw-down mechanisms of rolling mills. The kind of bearing has no cage. The entire raceway is full of tapered rollers. It features high axial loading capacity but its limiting speed is low. In order to improve its running performance, the bottom surface of the bearing's top ring is a concave spherical surface or convex spherical surface.


Screw-down bearings are used at the ends of the adjusting screws of rolling mills. Such thrust roller bearings are designed with full roller complement for maximum load capacity. The face profile of the shaft washer of the TTSX type is convex, while that of the TTSV type is concave. 


Screw-down tapered roller thrust bearings are designed to carry extremely high axial loads in one direction. They comprise of a sphered shaft washer with tapered raceway, a housing washer with flat raceways, and a full complement of tapered rollers.


SKF 353005 Custom Bearing Assemblies
SKF 353005 Custom Bearing Assemblies
120 mm
150 mm
SKF 353162 Thrust Bearings
SKF 353162 Thrust Bearings
60 mm
90 mm
SKF 351573 Custom Bearing Assemblies
SKF 351573 Custom Bearing Assemblies
115 mm
240 mm
SKF  BFSB 353285/HA4 Thrust Bearings
SKF BFSB 353285/HA4 Thrust Bearings
160 mm
295 mm
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