RKB Bearing Products

Double Direction Thrust Ball Bearings


RKB Double direction thrust ball bearings are composed of one shaft washers, two housing washers, and two cage-balls assemblies.

RKB Double Direction Thrust Bearings are separable so, washers and cage balls assemblies can be mounted separately. Axial deep groove ball bearings of series 522, 523 that have flat housing washers, can support axial forces in both direction but they cannot withstand any radial load and any misalignment. Bearings of series 542 and 543 can support axial force in both directions, but having spherical housing washers and matched with seating washer U2 and U3, they are able to compensate for misalignment between shaft and housing. No radial load can be supported. The RKB designing and manufacturing double direction thrust bearings up to 1600 mm in outer diameter. The main boundary dimensions of axial deep groove ball bearings with flat and sphered housing washers are in conformity with ISO 104:2015 and DIN 711:2010 and DIN 715:2011 (ISO 20516:2007), respectively. They are manufactured with tolerances according to ISO 199:2014.

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