Page 263 - needle bearings
P. 263

Cam followers stud type truck rollers
                                                                                                          NTN


















                       Type CRʝLL                       Type CRʝH
                   (with cage, sealed type)          (with hexagon hole)








              Basic load ratings       Load ratings of truck  Limiting speeds  Maximum  Bearing numbers   Mass
        dynamic static dynamic static                                        tightening                  (approx.)
                                                                              torque
               N           kgf           N           kgf          r/min                                    kg
                                    Spherical  Cylindrical  Spherical Cylindrical  grease  oil  Nŋm kgfŋm  Type  Type  Type
           Cr     Cor   Cr     Cor  outer ring  outer ring  outer ring outer ring     CRVʝʝX  1)  CRVʝʝXLL 1)  CRVʝX
          2 820  2 450  287    250   2 090  790    213   81  ˞20 000 ˞28 000   2  0.2  CR8T2     ʕ ʕʕʕʕʕ  0.009
          2 820  2 450  287    250   2 310  790    235   81  ˞20 000 ˞28 000   2  0.2  CR8-1T2   ʕ ʕʕʕʕʕ  0.010
          4 050  4 000  415    405   3 000  1 080  310  110  ˞18 000 ˞25 000   4  0.4  CR10      ʕ ʕʕʕʕʕ  0.020
          4 050  4 000  415    405   3 300  1 080  335  110  ˞18 000 ˞25 000   4  0.4  CR10-1  CR10-1LL   0.022
          5 300  6 650  540    680   4 600  1 380  470  140   13 000 ˞16 000  13  1.3  CR12    CR12LL     0.037

          5 300  6 650  540    680   5 350  1 710  545  174   13 000 ˞16 000  13  1.3  CR14    CR14LL     0.048
          7 250  8 350  740    850   7 400  2 060  755  210   12 000  15 000  18  1.9  CR16    CR16LL     0.087
          7 250  8 350  740    850   8 350  2 430  850  248   12 000  15 000  18  1.9  CR18    CR18LL     0.100
         11 400  15 900  1 160  1 620  11 400  2 840  1 160  290  9 000  13 000  24  2.4  CR20  CR20LL    0.150

         11 400  15 900  1 160  1 620  12 500  3 250  1 280  330  9 000  13 000  24  2.4  CR22  CR22LL    0.166
         13 300  20 100  1 360  2 120  16 300  3 600  1 660  365  7 500  10 000  51  5.2  CR24  CR24LL    0.235
         13 300  20 100  1 360  2 120  17 600  4 050  1 800  410  7 500  10 000  51  5.2  CR26  CR26LL    0.265
         20 700  33 500  2 110  3 450  21 600  4 400  2 200  450  6 000  8 000  92  9.3  CR28  CR28LL     0.375

         20 700  33 500  2 110  3 450  23 200  4 850  2 360  495  6 000  8 000  92  9..3  CR30  CR30LL    0.420
         28 900  55 000  2 950  5 600  31 000  5 300  3 150  540  5 000  6 600  150 15  CR32   CR32LL     0.505
         28 900  55 000  2 950  5 600  35 000  6 200  3 550  635  5 000  6 600  150 15  CR36   CR36LL     0.750




















        Note 2) Grease replenishing hole is provided at front side only (on left side-face in the above sketch). However, in the case with "hexagon hole" no grease
             replenishing hole is provided.
        Remarks: For the cam follower with ˞marked seal, the allowable running speed is approximately 10 000 r/min.
                                                         B-201
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