Page 441 - Rollingbearings
P. 441

Designs and variants
           Designs and                       Sealed bearings

           variants                          Sealed bearings equipped with contact seals
                                             on both sides (ig. 6) are available:

           SKF standard assortment           • in the 22 and 23 series
                                             • with bore diameter 10 ≤ d ≤ 70 mm
           SKF self-aligning ball bearing variants are:  • with seals made of sheet steel reinforced
                                               NBR (oil and wear-resistant, designation
           • open (ig. 2)                      sufix -2RS1)
               – with cylindrical bore
               – with tapered bore, e g  for use with   Permissible angular misalignment of sealed
              adapter sleeves (ig. 3)        bearings is slightly reduced compared to
               – with extended inner ring (ig. 4)  open design bearings
           • sealed (ig. 5)                                                                                          4
               – with cylindrical bore
               – with tapered bore, e g  for use with
              adapter sleeves

















                                      Fig. 2                            Fig. 4
            Open bearing                       Bearing with an extended inner ring


















                                      Fig. 3                            Fig. 5                             Fig. 6
            Bearing on adapter sleeve with a lock nut  Sealed bearing             Contact seal on both sides


















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