Page 172 - needle bearings
P. 172
Machined ring needle roller bearings, separable Type
NTN
With inner ring
Type NAO
Type NAOʝʝZW
Type NAO Type NAOʝZW
d 30ʙ65mm
Boundary dimensions Basic load ratings Limiting speeds Bearing numbers
dynamic static dynamic static
mm N kgf r/min
grease oil
d D C rs min 1) F E Cr Cor Cr Cor
47 16 0.3 35 42 24 100 36 000 2 450 3 650 7 500 11 000 NAO-30ʷʷ47ʷʷ16
47 18 0.3 35 42 24 700 37 000 2 510 3 750 7 500 11 000 NAO-30ʷʷ47ʷʷ18
30
47 32 0.3 35 42 41 500 71 500 4 200 3 700 7 500 11 000 NAO-30ʷʷ47ʷʷ32ZW
52 18 0.3 37 44 26 300 41 000 2 680 4 150 7 000 11 000 NAO-30ʷʷ52ʷʷ18
33 47 13 0.3 37 42 15 900 27 100 1 620 2 770 7 000 11 000 NAO-33ʷʷ47ʷʷ13
50 17 0.3 40 45 21 800 41 500 2 220 4 250 6 500 10 000 NAO-35ʷʷ50ʷʷ17
50 34 0.3 40 45 37 500 83 000 3 800 8 500 6 500 10 000 NAO-35ʷʷ50ʷʷ34ZW
35
55 20 0.3 40 47 31 000 51 500 3 150 5 250 6 500 10 000 NAO-35ʷʷ55ʷʷ20
55 40 0.3 40 48 56 500 102 000 5 750 10 400 6 500 10 000 NAO-35ʷʷ55ʷʷ40ZW
55 17 0.3 45 50 22 300 44 500 2 280 4 550 6 000 9 000 NAO-40ʷʷ55ʷʷ17
55 34 0.3 45 50 38 500 89 500 3 900 9 100 6 000 9 000 NAO-40ʷʷ55ʷʷ34ZW
40 62 20 0.3 45 53 36 000 59 000 3 650 6 000 6 000 9 000 NAO-40ʷʷ62ʷʷ20
62 40 0.3 45 53 61 500 118 000 6 250 12 000 6 000 9 000 NAO-40ʷʷ62ʷʷ40ZW
65 20 0.3 50 58 38 500 67 500 3 950 6 850 5 500 8 000 NAO-40ʷʷ65ʷʷ20
62 20 0.3 50 55 27 900 62 000 2 850 6 300 5 500 8 000 NAO-45ʷʷ62ʷʷ20
62 40 0.3 50 55 48 000 124 000 4 900 12 600 5 500 8 000 NAO-45ʷʷ62ʷʷ40ZW
45
72 20 0.6 55 63 39 000 70 000 3 950 7 100 4 800 7 500 NAO-45ʷʷ72ʷʷ20
72 40 0.6 55 63 66 500 140 000 6 800 14 200 4 800 7 500 NAO-45ʷʷ72ʷʷ40ZW
68 20 0.6 55 60 28 800 66 500 2 940 6 750 4 800 7 500 NAO-50ʷʷ68ʷʷ20
68 40 0.6 55 60 49 500 133 000 5 050 13 500 4 800 7 500 NAO-50ʷʷ68ʷʷ40ZW
50
78 20 1 60 68 40 000 75 000 4 100 7 650 4 400 6 500 NAO-50ʷʷ78ʷʷ20
78 40 1 60 68 69 000 150 000 7 050 15 300 4 400 6 500 NAO-50ʷʷ78ʷʷ40ZW
85 30 1 65 73 61 000 132 000 6 200 13 400 4 100 6 000 NAO-55ʷʷ85ʷʷ30
55
85 60 1 65 73 104 000 263 000 10 600 26 800 4 100 6 000 NAO-55ʷʷ85ʷʷ60ZW
90 30 1 70 78 65 500 149 000 6 700 15 200 3 800 5 500 NAO-60ʷʷ90ʷʷ30
60
90 60 1 70 78 112 000 297 000 11 500 30 500 3 800 5 500 NAO-60ʷʷ90ʷʷ60ZW
95 30 1 75 83 67 500 157 000 6 850 16 100 3 600 5 500 NAO-65ʷʷ95ʷʷ30
65
95 60 1 75 83 115 000 315 000 11 800 32 000 3 600 5 500 NAO-65ʷʷ95ʷʷ60ZW
Note 1) Allowable minimum chamfer dimension r.
B-110
