Page 166 - needle bearings
P. 166

Machined ring needle roller bearings, separable Type
                                                                                                            NTN


          Without inner ring


          Type RNAO
          Type RNAOʝʝZW











                                                             Type RNAO              Type RNAOʝZW



           FW 40ʙ85mm

                  Boundary dimensions              Basic load ratings        Limiting speeds   Bearing numbers
                                           dynamic   static  dynamic  static
                         mm                       N              kgf             r/min
                                                                            grease    oil
               Fw      D    C    rs min 1)  E  Cr     Cor    Cr      Cor
             40  +0.041  55  40  0.3  48    56 500 102 000  5 750  10 400    6 500  10 000  RNAO-40ʷʷ 55ʷʷ40ZW
                +0.025
                       55  17    0.3  50    22 300  44 500  2 280  4 550     6 000   9 000  RNAO-45ʷʷ 55ʷʷ17
                       55  34    0.3  50    38 500  89 500  3 900  9 100     6 000   9 000  RNAO-45ʷʷ 55ʷʷ34ZW
                +0.041
             45
                +0.025
                       62  20    0.3  53    36 000  59 000  3 650  6 000     6 000   9 000  RNAO-45ʷʷ 62ʷʷ20
                       62  40    0.3  53    61 500 118 000  6 250  12 000    6 000   9 000  RNAO-45ʷʷ 62ʷʷ40ZW
                       62  20    0.3  55    27 900  62 000  2 850  6 300     5 500   8 000  RNAO-50ʷʷ 62ʷʷ20
                       62  40    0.3  55    48 000 124 000  4 900  12 600    5 500   8 000  RNAO-50ʷʷ 62ʷʷ40ZW
                +0.041
             50
                +0.025
                       65  20    0.3  58    38 500  67 500  3 950  6 850     5 500   8 000  RNAO-50ʷʷ 65ʷʷ20
                       65  40    0.6  58    66 500 135 000  6 750  13 700    5 500   8 000  RNAO-50ʷʷ 65ʷʷ40ZW
                       68  20    0.6  60    28 800  66 500  2 940  6 750     4 800   7 500  RNAO-55ʷʷ 68ʷʷ20
                       68  25    0.6  63    50 500  97 500  5 150  9 950     4 800   7 500  RNAO-55ʷʷ 68ʷʷ25
                +0.049
             55        68  40    0.6  60    49 500 133 000  5 050  13 500    4 800   7 500  RNAO-55ʷʷ 68ʷʷ40ZW
                +0.030
                       72  20    0.6  63    39 000  70 000  3 950  7 100     4 800   7 500  RNAO-55ʷʷ 72ʷʷ20
                       72  40    0.6  63    66 500 140 000  6 800  14 200    4 800   7 500  RNAO-55ʷʷ 72ʷʷ40ZW
                       75  46    1    68    76 000 170 000  7 750  17 400    4 400   6 500  RNAO-60ʷʷ 75ʷʷ46ZW
                +0.049
             60        78  20    1    68    40 000  75 000  4 100  7 650     4 400   6 500  RNAO-60ʷʷ 78ʷʷ20
                +0.030
                       78  40    1    68    69 000 150 000  7 050  15 300    4 400   6 500  RNAO-60ʷʷ 78ʷʷ40ZW
                       85  30    1    73    61 000 132 000  6 200  13 400    4 100   6 000  RNAO-65ʷʷ 85ʷʷ30
                +0.049
             65
                +0.030
                       85  60    1    73   104 000 263 000 10 600  26 800    4 100   6 000  RNAO-65ʷʷ 85ʷʷ60ZW
                +0.049  90  30   1    78    65 500 149 000  6 700  15 200    3 800   5 500  RNAO-70ʷʷ 90ʷʷ30
             70  +0.030
                       90  60    1    78   112 000 297 000 11 500  30 500    3 800   5 500  RNAO-70ʷʷ 90ʷʷ60ZW
                       95  30    1    83    67 500 157 000  6 850  16 100    3 600   5 500  RNAO-75ʷʷ 95ʷʷ30
                +0.049
             75
                +0.030
                       95  60    1    83   115 000 315 000 11 800  32 000    3 600   5 500  RNAO-75ʷʷ 95ʷʷ60ZW
                       95  30    1    86    57 000 159 000  5 800  16 200    3 300   5 000  RNAO-80ʷʷ 95ʷʷ30
                       95  56    1    88   105 000 284 000 10 700  29 000    3 300   5 000  RNAO-80ʷʷ 95ʷʷ56ZW
                +0.049
             80
                +0.030
                      100  30    1    88    69 000 166 000  7 050  17 000    3 300   5 000  RNAO-80ʷʷ100ʷʷ30
                      100  60    1    88   119 000 335 000 12 100  34 000    3 300   5 000  RNAO-80ʷʷ100ʷʷ60ZW
                +0.058
             85       105  25    1    93    61 500 146 000  6 250  14 900    3 100   4 700  RNAO-85ʷʷ105ʷʷ25
                +0.036
          Note 1) Allowable minimum chamfer dimension r.

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