Needle Roller Bearings - Ntn-snr.com

Needle roller bearings with thrust cylindrical roller bearings
NTN
With inner ring
Type NKXRIR
Type NKXRZIR
Type NKXRIR
(Open type)
Type NKXRZIR
(With cover)
d
1245mm
Boundary dimensions
Basic load ratings
dynamic static dynamic static dynamic static dynamic static
mm N kgf N kgf
d dw D D1 D2 B C C1 C2 F a rs min 1) r1s min 1) Radial Axial
–0
–0.25 –0
–0.20
Cr Cor Cr Cor Ca Coa Ca Coa
+0.050
12 15 +0.032 24 28 29 16 23 9 6.5 15 23.7 0.3 0.3 8 250 10 200 840 1 040 12 900 28 600 1 310 2 920
14
+0.050
17 +0.032 26 30 31 17 25 9 8 17 25.7 0.3 0.3 10 400 14 400 1 060 1 460 13 400 31 000 1 370 3 150
17
+0.061
20 +0.040 30 35 36 20 30 10 10.5 20 30.7 0.3 0.3 16 400 27 100 1 670 2 760 20 200 46 500 2 060 4 700
20
+0.061
25 +0.040 37 42 43 20 30 11 9.5 25 37.7 0.6 0.3 14 200 24 000 1 450 2 450 27 300 68 000 2 780 6 900
25
+0.061
30 +0.040 42 47 48 20 30 11 9.5 30 42.7 0.6 0.3 22 300 39 500 2 280 4 000 27 800 72 500 2 840 7 400
30
+0.075
35 +0.050 47 52 53 20 30 12 9 35 47.7 0.6 0.3 20 000 36 000 2 040 3 650 31 000 87 000 3 150 8 900
35
+0.075
40 +0.050 52 60 61 20 32 13 10 40 55.7 0.6 0.3 25 900 52 500 2 650 5 350 43 000 121 000 4 350 12 400
40
+0.075
45 +0.050 58 65 66.5 20 32 14 9 45 60.5 0.6 0.3 27 600 59 000 2 810 6 000 45 500 135 000 4 650 13 800
45
+0.075
50 +0.050 62 70 71.5 25 35 14 10 50 65.5 0.6 0.6 27 900 62 000 2 850 6 300 48 000 150 000 4 900 15 300
Note 1) Allowable minimum chamfer dimension r or r1.
Remarks: Nominal code number of inner ring comprises IR. Bore diameterouter diameterwidth.
B-150