Page 250 - Rollingbearings
P. 250

1  Deep groove ball bearings

   1    SKF Explorer                       Quiet running
        bearings                           bearings for large

                                           electric generators
        Single row deep groove ball bearings are
        also avilable as SKF Explorer bearings   • are designed to comply with stringent
        (page 7).                            noise requirements
                                           • are typically used in wind turbine
                                             generators
                                           • provide consistent performance over a
                                             variety of operating conditions
                                           • are identiied by the designation sufix
                                             VQ658


                                                                                                        Table 5

          Cages
                      Steel cages                            Polymer cages                    Brass cages














                                     a        b

          Cage type   Ribbon-type,   Riveted, ball centred  Snap-type,   Snap-type, ball centred  Riveted, ball, outer
                      ball centred                  ball centred                              ring or inner ring
                                                                                              centred

          Material    Stamped steel / stainless steel         PA66, glass   PA46, glass   PEEK, glass   Machined brass
                                                              ibre reinforced ibre reinforced ibre reinforced

          Sufix       –           –                 –         TN9        TN9/VG1561  TNH      M, MA or MB


          Single row   Standard    Standard (a)     –         Standard for   Check availa-  Check availa-  Standard (metric
          bearings    (metric only)                           inch bearings   bility (not   bility (not   only)
                                                              and ICOS oil   available for   available for
                                                              sealed bearing  inch bearings)  inch bearings)
                                                              units, check
                                                              availability for
                                                              other bearings

          Stainless steel   Standard  Standard (a)  Standard  Check      –         –          –
          bearings                                            availability


          Bearings with   –       Standard (b)      –         –          –         –          –
          illing slots

          Double row   –          –         –       –         Standard   –         –          –
          bearings








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