Page 245 - needle bearings
P. 245

Cam followers stud type truck rollers
                                                                                                          NTN













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            Type KRʝLL          Type KRV          Type KRVʝLL                         Type KRʝH
          (Sealed type with cage)  (Full complement type)  (Full complement type with seal)  (With hexagonal wrench socket)








            Basic load ratings   Load ratings of truck  Limiting speeds  Maximum   Bearing         Mass    Stud
         dynamicstatic dynamic static                              tightening      numbers        (approx.) diameter
             N          kgf        N         kgf        r /min      torque                          kg    mm
                                                    grease   oil  Nŋm kgfŋm  Type NR  1)  Type NRʝʝLL 1)  Type Type
                               Spherical  Cylindrical  Spherical Cylindrical
          Cr    Cor   Cr   Cor  outer ring  outer ring  outer ring outer ring  Type KRV  Type KRVʝʝLL  KR  KRV
         1 640  1 270  168  130  560  1 360  57  139 ˞27 000 ˞40 000  0.5 0.05  KR10T2H/3A KR10T2LLH 0.005  ʕ  3
          2 500  2 610  255  267  560  1 360  57  139 ˞25 000 ˞32 000  0.5 0.05  KRV10H  KRV10LLH  ʕ 0.005  3
         2 170  1 690  221  172  725  1 790  74  183 ˞25 000 ˞36 000  1  0.1  KR12T2H/3A KR12T2LLH 0.008  ʕ  4
          3 500  3 800  360  385  725  1 790  74  183 ˞20 000 ˞27 000  1  0.1  KRV12H  KRV12LLH    ʕ 0.008  4
         2 650  2 260  270  231  805  2 220  82  226 ˞23 000 ˞33 000  2  0.2  KR13T2H/3A KR13T2LLH 0.010  ʕ  5
          4 500  5 350  455  545  805  2 220  82  226 ˞17 000 ˞22 000  2  0.2  KRV13H  KRV13LLH    ʕ 0.011  5
         4 050  4 200  415  430 1 080  3 400  110  350 ˞19 000 ˞25 000  3  0.3  KR16   KR16LL    0.019  ʕ   6
          6 500  9 350  665  955 1 080  3 400  110  350 ˞13 000 ˞16 000  3  0.3  KRV16  KRV16LL   ʕ 0.020   6
         4 750  5 400  480  555 1 380  4 050  141  415 ˞15 000 ˞20 000  8  0.8  KR19   KR19LL    0.031  ʕ   8
          7 450 11 700  760 1 190 1 380  4 050  141  415  10 000 ˞13 000  8  0.8  KRV19  KRV19LL  ʕ 0.032   8
         5 300  6 650  540  680 1 690  5 150  172  525 ˞12 000 ˞16 000  14  1.4  KR22  KR22LL    0.046  ʕ  10
         8 200 14 000  840 1 420 1 690  5 150  172  525  8 500 ˞11 000  14  1.4  KRV22  KRV22LL   ʕ 0.047  10
         5 300  6 650  540  680 2 120  6 100  216  620 ˞12 000 ˞16 000  14  1.4  KR26  KR26LL    0.059  ʕ  10
         8 200 14 000  840 1 420 2 120  6 100  216  620  8 500 ˞11 000  14  1.4  KRV26  KRV26LL   ʕ 0.061  10
         7 850  9 650  800  985 2 620  7 700  267  785  10 000 ˞13 000  20  2  KR30    KR30LL    0.087  ʕ  12
         12 000 20 300 1 230 2 070 2 620  7 700  267  785  6 500  8 500  20  2  KRV30  KRV30LL    ʕ 0.089  12
         7 850  9 650  800  985 2 860  8 200  291  835  10 000 ˞13 000  20  2  KR32    KR32LL    0.097  ʕ  12
         12 000 20 300 1 230 2 070 2 860  8 200  291  835  6 500  8 500  20  2  KRV32  KRV32LL    ʕ 0.100  12
         12 200 17 900 1 240 1 830 3 200 11 900  325 1 220  8 000 ˞11 000  52  5.3  KR35  KR35LL  0.169  ʕ  16
         17 600 34 000 1 790 3 500 3 200 11 900  325 1 220  5 500  7 000  52  5.3  KRV35  KRV35LL  ʕ 0.172  16
         14 000 22 800 1 430 2 330 3 850 14 500  390 1 480  7 000  9 000  76  7.8  KR40  KR40LL  0.248  ʕ  18
         19 400 42 000 1 980 4 250 3 850 14 500  390 1 480  4 500  6 000  76  7.8  KRV40  KRV40LL  ʕ 0.252  18
         20 700 33 500 2 110 3 450 4 700 21 000  480 2 150  6 000  8 000  98 10  KR47  KR47LL    0.386  ʕ  20
         28 800 61 000 2 940 6 250 4 700 21 000  480 2 150  4 000  5 000  98 10  KRV47  KRV47LL   ʕ 0.390  20
         20 700 33 500 2 110 3 450 5 550 23 300  565 2 370  6 000  8 000  98 10  KR52  KR52LL    0.461  ʕ  20
         28 800 61 000 2 940 6 250 5 550 23 300  565 2 370  4 000  5 000  98 10  KRV52  KRV52LL   ʕ 0.465  20



        Note 3) Cam follower with hexagon hole is standard.
        Remarks: For the cam follower with ˞marked seal, the allowable running speed is approximately 10 000 r/min.
                                                         B-183
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