Page 881 - Rollingbearings
P. 881

Designs and variants
           Designs and                       Double direction

           variants                          bearings

                                             • can accommodate axial loads in both
           SKF supplies cylindrical roller thrust bear-  directions
           ings in different series (ig. 2):  • can be created by combining two cylindrical
                                               roller and cage thrust assemblies and two
           • 811 and 812 series bearings with one row   bearing washers with an intermediate
            of rollers                         washer
              They are mainly used in applications   Depending on the design, an intermedi-
            where thrust ball bearings do not have   ate washer can be shaft or housing cen-
            suficient load carrying capacity   tred (ig. 3)
           • 893 and 894 series bearings with two
            rows of rollers                  Intermediate washers must have the same
                                             surface inish and hardness as bearing
                                             washers  SKF does not supply intermediate
                                             washers, but provides material speciications
           Single direction                  and dimensional data on request
                                               For additional information, refer to Design
           bearings                          considerations, page 885

           As standard, cylindrical roller thrust bearings
           are available as single direction bearings
           (ig. 2) and can accommodate axial loads in
           one direction only





                                                                                                           Fig. 2
                                               Single direction bearings

                                                            Housing washer                   Housing washer








                                                                   Shaft washer
                                                                                                    Shaft washer
                                                    Single row, 811 and 812 series    Double row, 893 and 894 series


                                                                                                           Fig. 3
                                               Double direction bearings                                            11



                                                            Intermediate                      Intermediate
                                                            washer                            washer








                                                          Shaft centred                    Housing centred


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