Page 323 - needle bearings
P. 323

Bottom roller bearings
                                                                                                          NTN


        Type FRIS Series A
        (For fine spinning machine/
        roving frame)






























                                     Type FRIS           Type FRISʝSA                Type FRISʝSB
                                                           (Separable)              (Non-separable)






         d 16.5ʙ25mm
                                Boundary dimensions                                  Basic load ratings
                                                                            dynamic   static   dynamic  static
                                       mm                                          N                 kgf
            d         D       B      C       E      rs min 1)  L    K
           0                 0       0
          ʵ0.010            ʵ0.050  ʵ0.120                                    Cr       Cor       Cr      Cor
                       0
           16.5    28  –0.020  19    22     23.5     0.3    22.2    7.7     10 200   14 600    1 040    1 480
                   32  0     20      23     27       0.3    22.2    7.7     11 800   18 500    1 200    1 880
           19         –0.025
                   36        22      25     29       0.3    22.2    9.8     12 700   17 600    1 300    1 800
                       0
           22      42  –0.025  25    29     35       0.3    26.4   10.2     19 500   25 300    1 980    2 580
                       0
           25      45  –0.025  25    29     37       0.3    26.4   10.2     21 300   29 100    2 170    2 970






















        Note 1) Allowable minimum chamfer dimension r.


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