Page 220 - needle bearings

Needle roller bearings with double-direction thrust needle roller bearing
NTN

Type ARN

d 20ʙ70mm

Boundary dimensions Basic load ratings
dynamic static dynamic static dynamic static dynamic static
mm N kgf N kgf
d dw D D1 T C F Dw rs min 1) r1s min 1) Radial Axial
–0.20 –0 –0
–0.50 –0.370 –0.130 Cr Cor Cr Cor Ca Coa Ca Coa
20 20 +0.061 52 42 46 16 25 5 0.6 0.6 15 100 22 400 1 540 2 280 27 300 68 000 2 780 6 900
+0.040
20 20 +0.061 62 52 60 20 30 7.5 1 0.6 22 100 34 000 2 260 3 500 53 500 129 000 5 450 13 100
+0.040
25 25 +0.061 57 47 50 20 30 5 0.6 0.6 22 100 34 000 2 260 3 500 27 800 72 500 2 840 7 400
+0.040
25 25 +0.061 72 62 60 20 35 7.5 1 0.6 24 800 41 500 2 520 4 250 54 500 139 000 5 550 14 200
+0.040
30 30 +0.061 62 52 50 20 35 5 0.6 0.6 24 800 41 500 2 520 4 250 31 000 87 000 3 150 8 900
+0.040
30 30 +0.061 80 68 66 20 40 9 1 0.6 26 400 47 000 2 700 4 800 74 500 190 000 7 600 19 400
+0.040
35 35 +0.075 70 60 54 20 40 6 1 0.6 26 400 47 000 2 700 4 800 43 000 121 000 4 350 12 400
+0.050
35 35 +0.075 85 73 66 20 45 9 1 0.6 28 000 52 500 2 860 5 400 82 000 222 000 8 350 22 600
+0.050
40 40 +0.075 75 65 54 20 45 6 1 0.6 28 000 52 500 2 860 5 400 45 500 135 000 4 650 13 800
+0.050
40 40 +0.075 90 78 75 25 50 9 1 0.6 38 500 74 500 3 950 7 550 85 000 238 000 8 650 24 200
+0.050
45 45 +0.075 80 70 60 25 50 6 1 0.6 38 500 74 500 3 950 7 550 48 000 150 000 4 900 15 300
+0.050
45 45 +0.075 105 90 82 25 55 11 1 0.6 41 000 82 000 4 150 8 400 121 000 340 000 12 300 34 500
+0.050
50 50 +0.075 90 78 60 25 55 6 1 0.6 41 000 82 000 4 150 8 400 62 500 215 000 6 350 21 900
+0.050
50 50 +0.075 110 95 82 25 60 11 1.1 0.6 41 000 85 000 4 200 8 700 125 000 365 000 12 800 37 000
+0.050
55 55 +0.090 115 100 82 25 65 11 1.1 0.6 44 500 98 000 4 550 10 000 130 000 385 000 13 200 39 500
+0.060
60 60 +0.090 120 105 82 25 70 11 1.1 0.6 45 000 91 500 4 600 9 350 134 000 410 000 13 700 42 000
+0.060
65 65 +0.090 125 110 82 25 75 11 1.1 0.6 55 000 104 000 5 600 10 600 138 000 435 000 14 100 44 500
+0.060
70 70 +0.090 130 115 82 25 80 11 1.1 0.6 57 000 119 000 5 800 12 200 142 000 460 000 14 500 47 000
+0.060

Note 1) Allowable minimum chamfer dimension r or r1.

B-158