Page 81 - needle bearings
P. 81

Cage and roller type needle roller bearings
                                                                                                          NTN


























        FW 63.500ʙ101.600mm

                  Boundary dimensions                 Basic load ratings       Limiting speeds  Bearing   Mass
                                             dynamic   static  dynamic  static                 numbers
                         mm                         N               kgf            r/min                   kg
             Fw           Ew          Bc                                       grease   oil
                                   0   0          ʣ
                                  ʵ0.35 ʢ ʵ0.014  Cr     Cor     Cr     Cor                              (approx.)
         63.500(2!/2)  73.025(2&/8)  38.10(1!/2)  89 000  189 000  9 100  19 300  4 000  4 000  PCJ404624  0.167

         69.850(2#/4)  79.375(3!/8)  25.40(1)  65 000  130 000  6 650  13 200  3 700  5 500   PCJ445016   0.116
                       85.725(3#/8)  25.40(1)  68 500  143 000  7 000  14 600  3 300  5 000   PCJ485416   0.127
         76.200(3)
                       85.725(3#/8)  38.10(1!/2)  99 500  231 000  10 100  23 500  3 300  5 000  PCJ485424  0.201
                       98.425(3&/8)  25.40(1)  75 000  169 000  7 650  17 200  2 900  4 400   PCJ566216   0.149
         88.900(3!/2)  101.600(4)  25.40(1)   82 000  154 000  8 350  15 700   2 900  4 400   PCJ566416   0.187
                      101.600(4)   38.10(1!/2)  121 000  253 000  12 300  25 800  2 900  4 400  PCJ566424  0.305

                      114.300(4!/2)  25.40(1)  87 500  176 000  8 950  18 000  2 500  3 800   PCJ647216   0.212
         101.600(4)
                      114.300(4!/2)  38.10(1!/2)  129 000  290 000  13 200  29 500  2 500  3 800  PCJ647224  0.345








































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