Double direction thrust ball bearings

Double direction thrust ball bearings can bear axial loads in two directions, but cannot bear radial loads. Double direction thrust ball bearings can do axial positioning in two directions. Double direction thrust ball bearings are also divided into flat races and self-aligning races. Generally, the angle error of the flat seat ring is not allowed, but in the support design, a gap of 0.5~1mm can be left between the outer diameter of the seat ring and the mating surface of the bearing seat for compensation. A thrust ball bearing with a self-aligning seat can also be used to compensate for the angular error in the installation, but the self-aligning seat needs to be ordered separately.


Product Parameter


Principal dimensionsBasic load ratingsLimiting speedDesignation
DynamicStaticGreaseOil
dDBCrCorRPMRPM
mmKNr/min
128011927680150220527/1181
17202616205205173527/1520
4409038980
10307964272280400527/940
10307964272260370527/950.8
10307964272280400527/950.8YB2
125012239989991422327/1049/YA

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