Page 120 - needle bearings

Machined-ring needle roller bearings
NTN

Without Inner Ring
C C C
r r r
Type RNA49
Type RNA59
Type RNA69
Type NK ПD ПFW ПD ПFW ПD ПFW

Type NK Type RNA49ʢFWʽ12mmʣ Type RNA49ʝRʢFWʾ14mmʣ
ʢFWʽ12mmʣ Type RNA59
Type RNA69ʝR
Type NKʝRʢFWʾ14mmʣ

FW 5ʙ16mm

Boundary dimensions Basic load ratings Limiting speeds Bearing Abutment Mass
dynamic static dynamic static numbers dimensions
mm N kgf r/min mm kg
grease oil Da ras
Fw D C rs min 1) Cr Cor Cr Cor max max (approx.)
10 10 0.15 2 640 2 190 269 224 27 000 40 000 NK5/10T2 6.5 0.15 0.0031
+0.018
5
+0.010
10 12 0.15 2 720 2 250 277 230 27 000 40 000 NK5/12T2 6.5 0.15 0.0037
+0.018 12 10 0.15 2 660 2 280 272 233 25 000 37 000 NK6/10T2 7.5 0.15 0.0047
6 +0.010
12 12 0.15 3 400 3 150 345 320 25 000 37 000 NK6/12T2 7.5 0.15 0.0057
13 10 0.15 2 670 2 350 272 239 23 000 34 000 RNA495T2 8.5 0.15 0.0055
+0.022
7 +0.013 14 10 0.3 2 670 2 350 272 239 23 000 34 000 NK7/10T2 8.5 0.3 0.0069
14 12 0.3 3 400 3 200 345 330 23 000 34 000 NK7/12T2 8.5 0.3 0.0082
15 10 0.15 3 150 3 000 320 305 21 000 32 000 RNA496 9.5 0.15 0.0073
+0.022
8 +0.013 15 12 0.3 4 000 4 100 410 420 21 000 32 000 NK8/12T2 9.5 0.3 0.0087
15 16 0.3 4 850 5 200 495 535 21 000 32 000 NK8/16T2 9.5 0.3 0.0120
16 12 0.3 4 550 5 000 465 510 20 000 30 000 NK9/12T2 10.5 0.3 0.0100
+0.022
9 +0.013 16 16 0.3 5 500 6 400 560 650 20 000 30 000 NK9/16T2 10.5 0.3 0.0130
17 10 0.15 3 600 3 650 365 375 20 000 30 000 RNA497 10.5 0.15 0.0095

17 12 0.3 4 550 5 100 460 520 19 000 28 000 NK10/12T2 11.5 0.3 0.0100
+0.022
10 +0.013 17 16 0.3 5 450 6 450 555 660 19 000 28 000 NK10/16 11.5 0.3 0.0130
19 11 0.15 4 300 3 950 435 405 19 000 28 000 RNA498 12 0.15 0.0130
19 12 0.3 5 000 6 100 510 620 17 000 26 000 NK12/12 13.5 0.3 0.0130
+0.027
12 +0.016 19 16 0.3 6 000 7 700 615 785 17 000 26 000 NK12/16 13.5 0.3 0.0160
20 11 0.3 4 850 4 900 495 500 17 000 26 000 RNA499 14 0.3 0.0130
22 13 0.3 8 600 9 200 875 935 16 000 24 000 RNA4900R 20 0.3 0.0170
+0.027
14 +0.016 22 16 0.3 10 300 11 500 1 050 1 170 16 000 24 000 NK14/16R 20 0.3 0.0210
22 20 0.3 13 000 15 600 1 330 1 590 16 000 24 000 NK14/20R 20 0.3 0.0260
23 16 0.3 10 900 12 700 1 110 1 290 15 000 23 000 NK15/16R 21 0.3 0.0220
+0.027
15 +0.016
23 20 0.3 13 800 17 200 1 410 1 750 15 000 23 000 NK15/20R 21 0.3 0.0270
24 13 0.3 9 550 10 900 975 1 110 15 000 23 000 RNA4901R 22 0.3 0.0170
+0.027 24 16 0.3 12 200 14 900 1 240 1 520 15 000 23 000 NK16/16R 22 0.3 0.0220
16 +0.016
24 20 0.3 14 600 18 800 1 490 1 920 15 000 23 000 NK16/20R 22 0.3 0.0280
24 22 0.3 15 400 20 000 1 570 2 040 15 000 23 000 RNA6901R 22 0.3 0.0310

Note 1) Allowable minimum chamfer dimension r.

B-58