Page 886 - Rollingbearings
P. 886

11  Cylindrical roller thrust bearings

          Loads



          Minimum load                    q   n   w  2         Symbols
                           F am  = 0,0005 C 0  + A  ———
                                          ⎝ 1 000 ⎠            A   minimum load factor (page 888)
                                                               C   basic static load rating [kN] (page 888)
          For additional                                        O
                                                                a
          information                                          F   axial load [kN]
                                                               F   minimum axial load [kN]
                                                                am
          † page 106
                                                               n   rotational speed [r/min]
                                                               P   equivalent dynamic bearing load [kN]
          Equivalent      P = F a                              P   equivalent static bearing load [kN]
          dynamic bearing                                       O
          load

          For additional
          information
          † page 91

          Equivalent static   P  = F a
                           0
          bearing load


          For additional
          information
          † page 105












        Temperature                        Bearing washers and rollers        Permissible speed
                                           The bearings are heat stabilized up to at
        limits                             least 120 °C (250 °F)
                                                                              The speed ratings in the product table,
                                           Cages                              page 888 indicate:
        The permissible operating temperature for
        cylindrical roller thrust bearings can be   Brass cages can be used at the same oper-  • the reference speed, which enables a
         limited by:                       ating temperatures as the bearing washers   quick assessment of the speed capabilities
                                           and rollers  For temperature limits of poly-  from a thermal frame of reference
        • the dimensional stability of the bearing   mer cages, refer to Polymer cages,   • the limiting speed, which is a mechanical
          washers and rollers              page 188                             limit that should not be exceeded unless
  11    • the cage                                                              the bearing design and the application are
        • the lubricant                    Lubricants                           adapted for higher speeds

        Where temperatures outside the permissible   For temperature limits of SKF greases, refer   For additional information, refer to Operating
        range are expected, contact SKF    to Selecting a suitable SKF grease, page 116   temperature and speed, page 130
                                             When using lubricants not supplied by
                                           SKF, temperature limits should be evaluated
                                           according to the SKF trafic light concept,
                                           page 117







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