Page 218 - needle bearings

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

Type AXN

d 20ʙ50mm

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 40 16 25 2 0.6 0.6 15 100 22 400 1 540 2 280 14 600 58 000 1 490 5 900
+0.040
25 25 +0.061 57 47 44 20 30 2 0.6 0.6 22 100 34 000 2 260 3 500 16 300 69 500 1 660 7 100
+0.040
+0.061
30 30 +0.040 62 52 44 20 35 2 0.6 0.6 24 800 41 500 2 520 4 250 17 800 81 500 1 820 8 300
+0.075
35 35 +0.050 70 60 48 20 40 3 1 0.6 26 400 47 000 2 700 4 800 27 400 110 000 2 790 11 300
+0.075
40 40 +0.050 75 65 48 20 45 3 1 0.6 28 000 52 500 2 860 5 400 29 800 128 000 3 050 13 100
45 45 +0.075 80 70 54 25 50 3 1 0.6 38 500 74 500 3 950 7 550 31 500 143 000 3 250 14 500
+0.050
+0.075
50 50 +0.050 90 78 54 25 55 3 1 0.6 41 000 82 000 4 150 8 400 38 000 186 000 3 850 19 000

Note 1) Allowable minimum chamfer dimension r or r1.

B-156