Page 193 - SKF-bearing-housings
P. 193

Split plummer block housings


           SNL 30, 31 and 32 series






                                                                                        5

           SNL plummer (pillow) block housings in the 30,
           31 and 32 series are robust and suitable for
           tough operating conditions. They enable the
           incorporated bearings to achieve maximum
           service life with less need for maintenance.
           Different housing variants and seal designs
           are available, making the use of tailored hous-
           ings virtually unnecessary and enabling cost-
           effective bearing arrangements to be made.



            Bearing types                       Materials
            •  Spherical roller bearings        •  Grey cast iron
            •  CARB toroidal roller bearings    •  Spheroidal graphite cast iron
            Bearing dimension series            Mounting
            •  30, 31, 32                       •  Four-bolt mounting
            •  22, 23, 40 (for some bearings)
                                                Compliance to standards
            Shaft diameter range                •  ISO 113
            •  115 to 530 mm                      (four-bolt plummer block housings)
            •  4  7 /16 to 19  1 /2 in.
                                                Supersedes
            Typical shaft-bearing combinations  •  SD, SDD series
            •  Plain shaft with bearing on an
              adapter sleeve
            •  Stepped shaft with bearing on
              a cylindrical seat

            Seals
            •  Labyrinth
            •  Heavy-duty
            •  Oil seal

            Lubrication
            •  Grease
            •  Oil




                                                                             189
   188   189   190   191   192   193   194   195   196   197   198