Page 102 - needle bearings
P. 102

Drawn cup needle roller bearings
                                                                                                            NTN


          Type HK, Type HKʝʝZWD
          Type HMK, Type HMKʝʝZWD
                                                         C                             C
          Type BK, Type BKʝʝZWD





                                                ПD              ПFW      ПD                        ПFW






                                                  Type HK, Type HMK              Type HKʝZWD
                                                                                 Type HMKʝZWD
                                                               Opened End Type

           FW 25ʙ30mm

           Boundary dimensions    Basic load ratings    Limiting speeds   Bearing numbers     Mass   Appropriate 1)
                             dynamic  static  dynamic static                                          inner ring
                  mm               N            kgf         r/min                              kg
            Fw  D   C   C1                              grease    oil    open end  closed end
                     0  max
                    -0.2       Cr      Cor   Cr    Cor                    design    design   (approx.)  (as a reference)
               32   38  2.7  35 000  65 500 3 550 6 700  6 500  9 500     ʕ        BK2538ZWD 0.069 IR20ʷ25ʷ38.5
               33   10  ʕ     9 150  10 400  935 1 060   6 500  9 500  HMK2510        ʕ      0.019 IR20ʷ25ʷ12.5
               33   15  ʕ    15 200  19 900 1 550 2 030  6 500  9 500  HMK2515C       ʕ      0.029 IR20ʷ25ʷ16
           25
               33   20  ʕ    21 800  31 500 2 220 3 200  6 500  9 500  HMK2520        ʕ      0.039 IR20ʷ25ʷ20.5
               33   25  ʕ    26 700  41 000 2 720 4 200  6 500  9 500  HMK2525        ʕ      0.048 IR20ʷ25ʷ26.5
               33   30  ʕ    32 500  53 000 3 300 5 400  6 500  9 500  HMK2530        ʕ      0.058 IR20ʷ25ʷ32
               34   16  ʕ    17 200  23 300 1 750 2 380  6 000  9 000  HMK2616        ʕ      0.032 IR22ʷ26ʷ20
           26
               34   20  ʕ    21 800  31 500 2 220 3 200  6 000  9 000  HMK2620        ʕ      0.040      ʕ
               35   16  ʕ    17 300  27 600 1 760 2 820  5 500  8 500  HK2816         ʕ      0.030 IR22ʷ28ʷ17
               35   16  2.7  17 300  27 600 1 760 2 820  5 500  8 500     ʕ        BK2816    0.034 IR22ʷ28ʷ17
               35   20  ʕ    21 300  36 000 2 170 3 700  5 500  8 500  HK2820         ʕ      0.038 IR22ʷ28ʷ20.5
           28
               35   20  2.7  21 300  36 000 2 170 3 700  5 500  8 500     ʕ        BK2820    0.043 IR22ʷ28ʷ20.5
               37   20  ʕ    23 600  32 500 2 410 3 350  5 500  8 500  HMK2820        ʕ      0.049 IR22ʷ28ʷ20.5
               37   30  ʕ    35 000  54 500 3 600 5 550  5 500  8 500  HMK2830        ʕ      0.073      ʕ
               38   20  ʕ    24 600  35 000 2 510 3 550  5 500  8 500  HMK2920        ʕ      0.050      ʕ
           29
               38   30  ʕ    34 500  54 000 3 550 5 550  5 500  8 500  HMK2930        ʕ      0.075      ʕ
               37   12  ʕ    13 000  19 500 1 320 1 990  5 500  8 000  HK3012         ʕ      0.024 IR25ʷ30ʷ12.5
               37   12  2.7  13 000  19 500 1 320 1 990  5 500  8 000     ʕ        BK3012    0.028 IR25ʷ30ʷ12.5
               37   16  ʕ    18 100  30 000 1 850 3 050  5 500  8 000  HK3016         ʕ      0.032 IR25ʷ30ʷ17
               37   16  2.7  18 100  30 000 1 850 3 050  5 500  8 000     ʕ        BK3016C   0.037 IR25ʷ30ʷ17
               37   20  ʕ    22 300  39 500 2 280 4 000  5 500  8 000  HK3020         ʕ      0.040 IR25ʷ30ʷ20.5
               37   20  2.7  22 300  39 500 2 280 4 000  5 500  8 000     ʕ        BK3020    0.047 IR25ʷ30ʷ20.5
               37   26  ʕ    28 500  54 000 2 910 5 500  5 500  8 000  HK3026         ʕ      0.053 IR25ʷ30ʷ26.5
           30
               37   26  2.7  29 100  55 000 2 960 5 650  5 500  8 000     ʕ        BK3026    0.059 IR25ʷ30ʷ26.5
               37   38  ʕ    38 500  78 500 3 900 8 000  5 500  8 000  HK3038ZWD      ʕ      0.076 IR25ʷ30ʷ38.5
               37   38  2.7  38 500  78 500 3 900 8 000  5 500  8 000     ʕ        BK3038ZWD 0.083 IR25ʷ30ʷ38.5
               40   13  ʕ    14 100  17 100 1 430 1 750  5 500  8 000  HMK3013        ʕ      0.040 IR25ʷ30ʷ16
               40   15  ʕ    17 100  22 100 1 750 2 250  5 500  8 000  HMK3015        ʕ      0.044 IR25ʷ30ʷ16
               40   20  ʕ    24 200  34 500 2 470 3 500  5 500  8 000  HMK3020        ʕ      0.058 IR25ʷ30ʷ20.5
               40   25  ʕ    31 000  47 000 3 150 4 800  5 500  8 000  HMK3025        ʕ      0.073 IR25ʷ30ʷ26.5
          Note 1) Bearing with inner ring is represented by HK+IR. (Refer to "Inner Ring Dimensions Table" on page B-120.)
               EX.  HK2820 + IR22ʷ28ʷ20.5
                                                            B-40
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