Page 164 - needle bearings

Machined ring needle roller bearings, separable Type
NTN

Without inner ring

Type RNAO
Type RNAOʝʝZW

Type RNAO Type RNAOʝZW

FW 20ʙ40mm

Boundary dimensions Basic load ratings Limiting speeds Bearing numbers
dynamic static dynamic static
mm N kgf r/min
grease oil
Fw D C rs min 1) E Cr Cor Cr Cor
20 +0.033 32 24 0.3 26 22 100 30 000 2 260 3 100 13 000 20 000 RNAO-20ʷʷ32ʷʷ24ZW
+0.020
30 13 0.3 26 10 200 15 200 1 040 1 550 12 000 18 000 RNAO-22ʷʷ30ʷʷ13
30 26 0.3 26 17 500 30 500 1 790 3 100 12 000 18 000 RNAO-22ʷʷ30ʷʷ26ZW
+0.033
22
+0.020
35 16 0.3 29 18 700 22 700 1 910 2 310 12 000 18 000 RNAO-22ʷʷ35ʷʷ16
35 32 0.3 29 32 000 45 500 3 300 4 650 12 000 18 000 RNAO-22ʷʷ35ʷʷ32ZW
35 17 0.3 29 14 200 24 000 1 450 2 450 11 000 16 000 RNAO-25ʷʷ35ʷʷ17
35 26 0.3 29 18 400 33 500 1 880 3 450 11 000 16 000 RNAO-25ʷʷ35ʷʷ26ZW
+0.033
25
+0.020
37 16 0.3 32 19 500 24 700 1 990 2 520 11 000 16 000 RNAO-25ʷʷ37ʷʷ16
37 32 0.3 32 33 500 49 500 3 400 5 050 11 000 16 000 RNAO-25ʷʷ37ʷʷ32ZW
+0.033
26 39 13 0.3 30 11 800 19 200 1 200 1 960 10 000 15 000 RNAO-26ʷʷ39ʷʷ13
+0.020
40 16 0.3 35 21 200 28 400 2 160 2 900 9 500 14 000 RNAO-28ʷʷ40ʷʷ16
+0.033
28
+0.020
40 32 0.3 35 36 500 57 000 3 700 5 800 9 500 14 000 RNAO-28ʷʷ40ʷʷ32ZW
40 17 0.3 35 19 400 32 500 1 970 3 350 9 000 13 000 RNAO-30ʷʷ40ʷʷ17
40 26 0.3 35 25 200 46 000 2 570 4 650 9 000 13 000 RNAO-30ʷʷ40ʷʷ26ZW
+0.033
30
+0.020
42 16 0.3 37 21 900 30 500 2 230 3 100 9 000 13 000 RNAO-30ʷʷ42ʷʷ16
42 32 0.3 37 37 500 60 500 3 850 6 200 9 000 13 000 RNAO-30ʷʷ42ʷʷ32ZW
+0.041
32 42 13 0.3 37 14 500 23 000 1 480 2 350 8 500 13 000 RNAO-32ʷʷ42ʷʷ13
+0.025
45 13 0.3 40 15 200 25 100 1 550 2 560 7 500 11 000 RNAO-35ʷʷ45ʷʷ13
45 17 0.3 40 20 000 36 000 2 040 3 650 7 500 11 000 RNAO-35ʷʷ45ʷʷ17
45 26 0.3 40 26 100 50 000 2 660 5 100 7 500 11 000 RNAO-35ʷʷ45ʷʷ26ZW
+0.041
35
+0.025
47 16 0.3 42 24 100 36 000 2 450 3 650 7 500 11 000 RNAO-35ʷʷ47ʷʷ16
47 18 0.3 42 24 700 37 000 2 510 3 750 7 500 11 000 RNAO-35ʷʷ47ʷʷ18
47 32 0.3 42 41 500 71 500 4 200 7 300 7 500 11 000 RNAO-35ʷʷ47ʷʷ32ZW
47 13 0.3 42 15 900 27 100 1 620 2 770 7 000 11 000 RNAO-37ʷʷ47ʷʷ13
+0.041
37
+0.025
52 18 0.3 44 26 300 41 000 2 680 4 150 7 000 11 000 RNAO-37ʷʷ52ʷʷ18
50 17 0.3 45 21 800 41 500 2 220 4 250 6 500 10 000 RNAO-40ʷʷ50ʷʷ17
+0.041
40 +0.025 50 34 0.3 45 37 500 83 000 3 800 8 500 6 500 10 000 RNAO-40ʷʷ50ʷʷ34ZW
55 20 0.3 47 31 000 51 500 3 150 5 250 6 500 10 000 RNAO-40ʷʷ55ʷʷ20

Note 1) Allowable minimum chamfer dimension r.

B-102