RKB Bearing Products

Single Direction Spherical Thrust Bearing


RKB Single direction spherical thrust roller bearings are composed of a shaft washer, housing washer, and one row of asymmetrical barrel rollers with cage.

RKB spherical Roller Bearings have a separable design: the cage, rollers, and shaft washer together form an assembly, while the housing washer can be mounted separately. Due to their raceways design, they are self-aligning, making the bearing insensitive to the shaft deflection or misalignment between shaft and housing. RKB Axial spherical roller bearings can accommodate radial and unidirectional axial load acting simultaneously on it, even if they are suitable to work under heavy axial loads and high-speed rotation. They are manufactured mainly in three different configurations, depending on the bearing size. “EM type” with one piece machine brass cage guided on the shaft washer; “EMEVO type“ has one piece “EVO” machine brass cage guided on the shaft where the axial forces are transmitted via the cage-guiding sleeve and “EJ type” with one high strength pressed steel cage guided on shaft washer. In the application where the “EMEVO type“ bearing has to be replaced with “EM type” or “EJ type”, it is necessary to insert a spacer sleeve between the shaft abutment and the shaft washer. RKB is designing and manufacturing Spherical Thrust Roller bearings up to 1400 mm in outer diameter.  The main boundary dimensions of RKB spherical roller bearings are in conformity with ISO 104:2015. They are manufactured with tolerances according to ISO 199:2014.

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