Page 199 - needle bearings

Clearance-adjustable needle roller bearings
NTN

With inner ring

Type NA49ʝʝS

d 25ʙ110mm

Boundary dimensions Basic load ratings Limiting Bearing Bearing Abutment Mass
dynamic static dynamic static speeds numbers clearanc dimensions
before
mm N kgf r/min installation mm kg
grease oil da Da ras
d D B rs min 1) F Cr Cor Cr Cor Жm min max max (approx.)
25 42 17 0.3 30 12 300 16 000 1 260 1 630 8 700 13 000 NA 4905S 10ʙ25 27 36 0.3 0.084

30 47 17 0.3 35 14 900 21 600 1 520 2 200 7 300 11 000 NA 4906S 12ʙ25 32 41 0.3 0.099
32 52 20 0.6 40 17 600 27 800 1 790 2 830 6 700 10 000 NA49/32S 12ʙ25 36 46 0.6 0.157
35 55 20 0.6 42 18 300 29 800 1 870 3 050 6 300 9 500 NA 4907S 15ʙ30 39 48 0.6 0.164
40 62 22 0.6 48 22 500 40 500 2 300 4 150 5 700 8 500 NA 4908S 15ʙ30 44 54 0.6 0.227

45 68 22 0.6 52 23 100 43 500 2 360 4 400 5 000 7 500 NA 4909S 15ʙ35 49 58 0.6 0.257
50 72 22 0.6 58 24 700 49 000 2 520 5 000 4 700 7 000 NA 4910S 15ʙ35 54 64 0.6 0.271
55 80 25 1 63 33 000 65 500 3 350 6 650 4 300 6 500 NA 4911S 15ʙ35 60 70 1 0.382
60 85 25 1 68 34 000 69 000 3 450 7 050 4 000 6 000 NA 4912S 20ʙ40 65 75 1 0.410

65 90 25 1 72 34 000 70 500 3 450 7 200 3 700 5 500 NA 4913S 20ʙ40 70 79 1 0.427
70 100 30 1 80 44 500 94 000 4 550 9 600 3 300 5 000 NA 4914S 20ʙ40 75 88 1 0.689
75 105 30 1 85 45 500 99 000 4 650 10 100 3 100 4 700 NA 4915S 25ʙ45 80 93 1 0.740
80 110 30 1 90 46 500 104 000 4 750 10 600 2 900 4 400 NA 4916S 25ʙ45 85 98 1 0.774

85 120 35 1.1 100 57 000 140 000 5 800 14 300 2 700 4 000 NA 4917S 25ʙ45 91.5 108 1 1.18
90 125 35 1.1 105 58 500 146 000 5 950 14 900 2 500 3 800 NA 4918S 25ʙ50 96.5 113 1 1.23
95 130 35 1.1 110 59 500 152 000 6 050 15 500 2 400 3 600 NA 4919S 25ʙ50 101.5 118 1 1.40
100 140 40 1.1 115 72 000 168 000 7 350 17 100 2 300 3 500 NA 4920S 25ʙ50 106.5 125 1 1.91

110 150 40 1.1 125 75 500 184 000 7 700 18 800 2 100 3 200 NA 4922S 30ʙ60 116.5 135 1 2.12

Note 1) Allowable minimum chamfer dimension r.

B-137