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HSC bearing units with half-round outer ring for continuous casting machines

HSC bearing units with half-round outer ring for continuous casting machines

This kind of bearing originated from the bearing brand in Japan. It is a special bearing for continuous casting machine. FV bearings for continuous casting machines are designed based on a full complement cylindrical roller bearing, with reference to maximized static load ratings. Crowning are set up on rolling surface of its rollers, according to the size of loads, which contributes to solve stress concentration at specific location. In continuous casting machines, roll support bearings are used under heavy loads and at extremely low speed. In addition, the operating conditions are severe, resulting in exposure to splashing water and scales. APPLICATION: CCM rolls

rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings

In continuous casting machines, roll support bearings are used under heavy loads and at extremely low speed. In addition, the operating conditions are severe, resulting in exposure to splashing water and scales.

SCP bearings for fixed side and SC bearings for free side are used for end of rolls.

HSC bearing units with half-round outer ring is used for the intermediate support section of beetle-shape rolls, such as driving rolls.

FV bearings for continuous casting machines are designed based on a full complement cylindrical roller bearing, with reference to maximized static load ratings. Crowning are set up on rolling surface of its rollers, according to the size of loads, which contributes to solve stress concentration at specific location.

The bearing has the self-aligning mechanism to absorb roll bending and misalignment due to heavy load.


SC bearings (free side)

rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings

SCP bearings (fixed side)

rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings

• To accommodate thermal contraction andexpansion of roll, the inner ring of this bearingare designed to move smoothly in the axial direction.



• The bearing has been developed for the purpose of improvement in short service life of spherical roller bearings most commonly used for continuous casting machines.

• The ribs provided for the inner and outer rings and loose rib allow accommodation of axial loads generated by thermal contraction and expansion of rolls.

HSC bearing units with half-round outer ring

rolling mill bearings, Roll neck bearings, Tapered roller bearings, Spherical roller bearings


• To accommodate thermal contraction and expansion of roll, the inner ring and roller of this bearing are  designed to move smoothly in the axial direction.


• This unit has unique structure, with a half-round outer ring placed on the loaded side only. • This special half-round outer ring and compact seal design realizes a 15 % increase in static load rating  over that of conventional products.


• The unique jacket design adjusts the flow of water and enables a high cooling efficiency, equivalent to  that of conventional products with a lower water flow rate of 55 %.

HSC bearing units with half-round outer ring for continuous casting machines

HSC bearing units with half-round outer ring for continuous casting machines MODEL LIST. WWW.FV-BEARING.COM

Housing unitRoll outsideBoundary dimensions  (mm)Seal typeBearing No.
dia. (mm)RecoveryNon-recovery
No.DdBHDiD2rtypetype
PBA391H195100145175133143C8OHSC2017-1C3
PBA399H22011013922515516818OHSC2219-7C3
PBA360H22011013922515516818OHSC2219-6C3
PBA328H22510016913214015015OHSC2019C3
PBA171H23011011318516017313OHSC2219-3C3
PBA171H23011011318516017313OHSC2219-8C3
PBA171AXH23011014124616017318OHSC2219-1C3
PBA171AH23011014835116017313OHSC2219C3
PBA171AH23011014835116017313OHSC2219-9C3
PBA208H23011015019016017315OHSC2219-2C3
PBA208H23011015019016017315OHSC2219-11C3
PBA368H23011015418016017320OHSC2219-4C3
PBA404H23011015418016017320OHSC2220C3
PBA339H235140145175175186.5C8OHSC2821C3
PBA316H24011520225116017515OHSC2321C3
PBA316H24011520225116017515OHSC2321-2C3
PBA396H24012017323016518015OHSC2421-2C3
PBA411H25012015119017218520OHSC2421-6C3
PBA336H25012015318517519020OHSC2421C3
PBA336AH25012015314517519020OHSC2421C3
PBA378H25012015417517018820OHSC2421-1C3
PBA251H-225012015419017519020OHSC2421-4C3
PBA251H25012015418017519020OHSC2421-3C3
PBA407H25012015418017018520OHSC2421-5C3
PBA410H25512517418018019520OHSC2522C3
PBA379H26012015418017018820OHSC2421-1C3


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