Page 687 - SKF-bearing-housings
P. 687

Mounting


           Attaching bearing units in the FYNT series   Pinning or supporting bearing units in the
           to a machine wall                   SYNT series
           Bearing units in the FYNT series are produced   Some load conditions may require the housing
           standard with a machined recess, which can   to be pinned to its support surface or to provide
           be used to centre the housing on a shoulder.   a stop to accommodate loads acting parallel to
           With this arrangement, the attachment bolts   the support surface († Additional housing sup-
           are not subjected to shear forces. The shoulder   port for bearing units in the SYNT series on
           can be provided either by machining the wall   page 673). Recommendations for the position
           or by attaching a guide ring to the wall. The   and size of the holes to accommodate dowel
             dimensions of the recess D a , are provided in   pins are provided in table 12.
           product table 16.2 on page 688.
            Dowel pins can also be used where neces-
           sary. Recommendations for the position and
           size of the holes to accommodate dowel pins
           are provided in table 11.


                                      Table 12
            Position and size of dowel pin holes for SKF ConCentra
            roller bearing units in the SYNT series


                                         N 4

                                        J 7

                          J 6


            Bearing unit  Dimensions
            Size        J 6     J 7   N 4
                                      max.
            –           mm
            SYNT 35     185     21    6
            SYNT 40     185     21    6
            SYNT 45     185     21    6
            SYNT 50     234     26    8
            SYNT 55     234     26    8
            SYNT 60     254     29    8
            SYNT 65     254     29    8
            SYNT 70     290     32,5  8
            SYNT 75     292     32,5  8
            SYNT 80     320     37,5  8
            SYNT 90     355     40    8
            SYNT 100    385     45    8

                                                                                       16





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