Page 39 - Rollingbearings
P. 39

Chamfer dimensions
           Diameter series                   Maximum chamfer

           identification                     dimensions
                                             The maximum chamfer dimensions (ig. 1)
                                             for the radial (r , r ) and axial (r , r ) directions,
                                                          3
                                                                   2
                                                                     4
                                                        1
           The bore and outside diameter variation   appropriate to the respective minimum values
           tolerances t Vdsp  and t VDsp  for metric radial   and the bore or outside diameter, are listed
           bearings (table 2, page 38, to table 4,   in the following tables:
           page 40) vary depending on the diameter
           series to which the bearing belongs. To   • Metric radial and thrust bearings, except
           determine the diameter series, refer to   radial tapered roller bearings
           table 14, page 52.                   (table 15, page 53)
                                             • Metric radial tapered roller bearings
                                               (table 16, page 53)                                                    Tolerances
                                             • Inch tapered roller bearings (table 17,
           Chamfer                             page 54)

           dimensions                        The maximum chamfer dimensions                                           A.2
                                             for  metric SKF bearings are in accordance
                                             with ISO 582.
                                             Example
           Minimum chamfer
           dimensions                        What is the largest radial and axial value
                                                         ) for the chamfer of a 6211
                                                   and r
                                             (r
                                                      2 max
                                               1 max
                                             deep groove ball bearing?
           Minimum chamfer dimensions (ig. 1) are   From the relevant product table,
           listed in the product tables, for the radial (r ,   r 1,2 min  = 1,5 mm and d = 55 mm.
                                         1
           r ) and axial (r , r ) directions. For metric   From table 15, with r s min  = 1,5 mm and
                       4
                     2
           3
           SKF bearings, these values are in accordance   d < 120 mm, the largest radial value
           with the general plans listed in the following   r 1 max  = 2,3 mm and the largest axial value
           standards:                        r 2 max  = 4 mm.
           • ISO 15, ISO 12043 and ISO 12044 for
            radial bearings
           • ISO 355 for radial tapered roller bearings
           • ISO 104 for thrust bearings




                                      Fig. 1
            Minimum and maximum chamfer
            dimensions









                                      r 1 max  r 3 max
                                   r 1 min  r 3 min



                           r 2 min
                           r 4 min
                      r 2 max
                      r 4 max



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