Page 280 - needle bearings
P. 280

Thrust cylindrical roller bearing
                                                                                                            NTN


          Type 811
          Type 812                                                    T                      ПDW
                                                                   r


                                                                         r


                                                              ПDПD1       ПdПd1       ПDcПDc1   ПEb ПEa





                                                                   Type 811           Type K811, type K812
                                                                   Type 812           (Thrust needle roller
                                                                   (Bearing)            and cage assy)

           d 140ʙ160mm

                           Boundary dimensions                            Basic load ratings        Limiting speeds
                                                                  dynamic   static  dynamic  static
                                   mm                                     N              kgf            r/min
             d    D     d1   D1   T   Dc1   Dc   Dw    B   rs min 1)                                grease  oil
                       ʵ0.2  ʴ0.5     E11  a13  0     h11
                       ʵ0.5  ʴ0.2              ʵ0.010               Ca        Coa      Ca    Coa
                 180  178   142  31  140   180  12    9.5   1    206 000   815 000  21 000  83 000   380   1 500
           140
                 200  197   143  46  140   200  19   13.5   1.5  370 000  1 280 000  38 000 130 000  350   1 400
           150   190  188   152  31  150   190  12    9.5   1    214 000   870 000  21 800  89 000   350   1 400

           160   200  198   162  31  160   200  12    9.5   1    221 000   930 000  22 600  95 000   330   1 300















































          Note 1) Allowable minimum chamfer dimension r .

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