Page 104 - needle bearings
P. 104

Drawn cup needle roller bearings
                                                                                                            NTN


          Type HK
          Type HMK, Type HMKʝʝZWD
                                                         C                             C
          Type BK





                                                ПD              ПFW      ПD                        ПFW






                                                  Type HK, Type HMK              Type HMKʝZWD
                                                               Opened End Type

           FW 40ʙ50mm

           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)
               50   30  ʕ    49 000  85 000 5 000 8 700  4 000  6 000  HMK4030        ʕ      0.112 IR35ʷ40ʷ34
           40
               50   40  ʕ    58 500 107 000 5 950 10 900  4 000  6 000  HMK4040ZWD    ʕ      0.150      ʕ
               52   16  ʕ    21 600  43 000 2 210 4 400  3 700  5 500  HK4516         ʕ      0.046 IR40ʷ45ʷ17
               52   16  2.7  21 600  43 000 2 210 4 400  3 700  5 500     ʕ        BK4516    0.058 IR40ʷ45ʷ17
               52   20  ʕ    27 600  59 000 2 810 6 000  3 700  5 500  HK4520         ʕ      0.058 IR40ʷ45ʷ20.5
               52   20  2.7  27 600  59 000 2 810 6 000  3 700  5 500     ʕ        BK4520    0.072 IR40ʷ45ʷ20.5
           45
               55   20  ʕ    33 000  53 000 3 350 5 400  3 700  5 500  HMK4520        ʕ      0.083 IR40ʷ45ʷ20.5
               55   25  ʕ    41 500  71 500 4 250 7 300  3 700  5 500  HMK4525        ʕ      0.104 IR40ʷ45ʷ26.5
               55   30  ʕ    49 500  90 000 5 050 9 150  3 700  5 500  HMK4530        ʕ      0.125 IR40ʷ45ʷ34
               55   40  ʕ    59 500 113 000 6 050 11 500  3 700  5 500  HMK4540ZWD    ʕ      0.167      ʕ
               58   20  ʕ    31 500  63 000 3 200 6 450  3 200  4 800  HK5020         ʕ      0.072 IR40ʷ50ʷ22
               58   20  2.7  31 500  63 000 3 200 6 450  3 200  4 800     ʕ        BK5020    0.087 IR40ʷ50ʷ22
               58   25  ʕ    38 500  82 000 3 900 8 400  3 200  4 800  HK5025         ʕ      0.090 IR45ʷ50ʷ25.5
               58   25  2.7  38 500  82 000 3 900 8 400  3 200  4 800     ʕ        BK5025    0.109 IR45ʷ50ʷ25.5
               62   12  ʕ    18 200  23 600 1 860 2 410  3 200  4 800  HMK5012        ʕ      0.067      ʕ
           50  62   15  ʕ    25 900  37 000 2 650 3 800  3 200  4 800  HMK5015        ʕ      0.084      ʕ
               62   20  ʕ    37 500  60 000 3 850 6 100  3 200  4 800  HMK5020        ʕ      0.112 IR40ʷ50ʷ22
               62   25  ʕ    48 000  82 500 4 900 8 450  3 200  4 800  HMK5025        ʕ      0.140 IR45ʷ50ʷ25.5
               62   30  ʕ    58 500 105 000 5 950 10 700  3 200  4 800  HMK5030B      ʕ      0.168 IR45ʷ50ʷ32
               62   40  ʕ    70 000 134 000 7 150 13 600  3 200  4 800  HMK5040ZWD    ʕ      0.224      ʕ
               62   45  ʕ    79 000 156 000 8 050 15 900  3 200  4 800  HMK5045ZWBD   ʕ      0.252      ʕ

















          Note 1) Bearing with inner ring is represented by HK+IR. (Refer to "Inner Ring Dimensions Table" on page B-122, B123.)
               EX.  HK4516 + IR40ʷ45ʷ17
                                                            B-42
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