Page 206 - needle bearings
P. 206
Needle roller bearings with thrust ball bearings
NTN
Without inner ring
Type NKX
Type NKXʝʝZ
Type NKX Type NKXʝZ
(Open type) (With cover)
FW 10ʙ70mm
Boundary dimensions Basic load ratings
dynamic static dynamic static
mm N kgf
Fw dw D D1 D2 C C1 C2 a rs min 1) Radial
–0 –0
–0.25 –0.20 Cr Cor Cr Cor
+0.040
+0.022
10 +0.022 10 +0.040 19 24 25 23 9 6.5 19.7 0.3 5 450 6 450 555 660
+0.013 +0.025
+0.025
+0.013
+0.027
+0.050
12 +0.027 12 +0.050 21 26 27 23 9 6.5 21.7 0.3 6 000 7 700 615 785
+0.016
+0.016 +0.032
+0.032
+0.050
+0.027
+0.027 +0.050
15 +0.016 15 +0.032 24 28 29 23 9 6.5 23.7 0.3 8 250 10 200 840 1 040
+0.032
+0.016
+0.050
+0.027 +0.050
+0.027
17 +0.016 17 +0.032 26 30 31 25 9 8 25.7 0.3 10 400 14 400 1 060 1 460
+0.016
+0.032
+0.061
+0.033 +0.061
+0.033
20 +0.020 20 +0.040 30 35 36 30 10 10.5 30.7 0.3 16 400 27 100 1 670 2 760
+0.020
+0.040
+0.033 +0.061
+0.033
+0.061
25 +0.020 25 +0.040 37 42 43 30 11 9.5 37.7 0.6 14 200 24 000 1 450 2 450
+0.040
+0.020
+0.033
+0.061
+0.033 +0.061
30 +0.020 30 +0.040 42 47 48 30 11 9.5 42.7 0.6 22 300 39 500 2 280 4 000
+0.020
+0.040
+0.041 +0.075
+0.041
+0.075
35 +0.025 35 +0.050 47 52 53 30 12 9 47.7 0.6 20 000 36 000 2 040 3 650
+0.025
+0.050
+0.041
+0.075
+0.041 +0.075
40 +0.025 40 +0.050 52 60 61 32 13 10 55.7 0.6 25 900 52 500 2 650 5 350
+0.050
+0.025
+0.041
+0.075
+0.041 +0.075
45 +0.025 45 +0.050 58 65 66.5 32 14 9 60.5 0.6 27 600 59 000 2 810 6 000
+0.050
+0.025
+0.041
+0.075
50 +0.041 50 +0.075 62 70 71.5 35 14 10 65.5 0.6 27 900 62 000 2 850 6 300
+0.050
+0.025
+0.025 +0.050
+0.049
+0.090
+0.049 +0.090
60 +0.030 60 +0.060 72 85 86.5 40 17 12 80.5 1 29 800 71 500 3 050 7 300
+0.030
+0.060
+0.049
+0.049 +0.090
+0.090
70 +0.030 70 +0.060 85 95 96.5 40 18 11 90.5 1 36 500 86 000 3 700 8 750
+0.030
+0.060
Note 1) Allowable minimum chamfer dimension r.
B-144