Tapered roller bearing TQIT
four-rowsteelfor rolling mills

tapered roller bearing
tapered roller bearing
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Characteristics

Rolling element
tapered roller
Configuration
four-row
Material
steel
Applications
for rolling mills
Other characteristics
high-speed, custom, high-rigidity
Inside diameter

Max.: 1,004.63 mm
(39.55 in)

Min.: 123.02 mm
(4.84 in)

Outside diameter

Max.: 2,032 mm
(80 in)

Min.: 174.63 mm
(6.88 in)

Description

Type TQIT bearings have a tapered bore that is matched and continuous through the inner races. This allows for an interference fit on the backup rolls of high-speed mills, where a loose inner race fit of a straight bore bearing could cause excessive neck wear. The indirect mounting of the bearing pairs increases the overall effective spread of the bearing, providing optimum stability and roll rigidity. Design Attributes: Two tapered-bore single cones, one tapered-bore double cone, four single cups and three cup spacers. Front faces of single cones and both faces of double cone are extended to contact each other. Tapered cone bores are matched for continuous taper through the cones. Lubrication delivered through three cup spacers. Preset, matched assemblies, serial numbered to assure correct installation. Applications: Roll necks of high-speed rolling mills

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Tapered Roller Bearings

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.