Page 84 - Rollingbearings
P. 84

B.2  Bearing type and arrangement
        Mounting and                       Tapered bore                       Cost and availability
        dismounting                        Bearings with a tapered bore can be mounted

                                           on a tapered shaft seat or mounted on a   Popular items
        When selecting bearing type, you should   cylindrical shaft seat using an adapter or
        consider the mounting and dismounting   withdrawal sleeve (ig. 22)  For bearing types   After determining your required bearing
        requirements:                      available with tapered bore, refer to Suitabil-  type, you may ind it beneicial to select an
                                           ity of rolling bearings for industrial applica-  appropriate bearing from our assortment of
        • Is it required or beneicial to mount the   tions, page 72           popular items, because they have a high
          inner and outer ring independently?                                 level of availability and generally provide
             – Select a separable bearing                                     a cost­effective solution  Popular items
        • Is it required or beneicial to mount the                            are marked in the product tables with the
          bearing on a tapered seat or with a   Integral sealing              symbol ‣
          tapered sleeve?
             – Select a bearing with a tapered bore   There are two reasons for sealing bearings
             – Consider using SKF ConCentra ball or   or bearing arrangements:  Large bearings
            roller bearing units
            (skf com/ball­bearing­units and   • keeping the lubricant in the bearing, and   If a required bearing has an outside diameter
            skf com/roller­bearing­units)    avoiding pollution of adjacent components  D ≥ 420 mm, and is not marked as popular,
                                           • protecting the bearing from contamina­  then check its availability with SKF.
                                             tion, and prolonging bearing service life
        Separable bearings
                                           Capped bearings (sealed bearings or bear­  Capped bearings
        Separable bearings are easier to mount and   ings with shields) can provide cost ­effective   Capped (sealed bearings or bearings with
    Bearing type and arrangement   Suitability of rolling bearings for industrial   ity of rolling bearings for industrial applica-  addition to providing good sealing perfor-
                                           and space­ saving solutions for many appli­
        dismount, particularly if interference its are
                                           cations  Bearing types, for which integral
        required for both rings
                                                                              shields) typically provide more cost-effective
                                           sealing is available, are indicated in Suitabil-
                                                                              solutions than using external sealing. In
          For separable bearing types, refer to
                                           tions, page 72
        applications, page 72
                                                                              mance, these ready-greased bearings do not
                                                                              require initial grease ill.
                                                                              Availability of standard

                                                                              Using standard housings and sleeves gener-
                                                                              ally leads to more cost-effective bearing
    B.2                                                                       housings and sleeves
                                                                              arrangements. Bearing types for which
                                                                              these standard components are available are
                                                                              indicated in Suitability of rolling bearings for
                                                    Fig. 22                   industrial applications, page 72.
          Bearings with tapered bore on sleeves
















                   On an adapter      On a withdrawal
                     sleeve              sleeve






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