Page 918 - Rollingbearings
P. 918

13  Spherical roller thrust bearings

          Bearing data



          Dimension       Boundary dimensions: ISO 104
          standards

          Tolerances      Normal
                          Total height H:
                          • for basic design bearings, tolerance at least 50% tighter than ISO standard
          For additional   • for SKF Explorer bearings, tolerance 75% tighter than ISO standard
          information
          † page 35       Values: ISO 199 (table 10, page 46)

          Permissible     The permissible misalignment is reduced as the load increases.
          misalignment      Guideline values for rotating shaft applications: table 1.
                            Whether these values can be fully exploited depends on the design of the bearing arrangement, the external
                          sealing design, etc.
                            For applications with a rotating housing washer, or where the direction of misalignment is not constant relative
                          to the housing washer, additional sliding may occur in the bearing and misalignment should be < 0,1°.

          Friction, starting   † skf.com/bearingcalculator
          torque, power loss  For temperature and/or cooling requirement calculations for large bearings (d > 400 mm) 1) , vertical shafts and
                                                                                  m
                          fully submerged conditions, contact the SKF application engineering service.


















          1)  d m  =  bearing mean diameter [mm]
               = 0,5 (d + D)



                                                                     Table 1
          Permissible angular misalignment for rotating shafts
          Bearing series     Permissible misalignment
                                           1)
                             where bearing load P 0
                             < 0,05 C 0  ≥ 0,05 C 0  > 0,3 C 0
          –                  °

          292(E)             2           1,5         1

          293(E)             2,5         1,5         0,3
          294(E)             3           1,5         0,3




  13


         1)   Refer to Equivalent static bearing load.

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