Page 174 - needle bearings

Machined ring needle roller bearings, separable Type
NTN

With inner ring

Type NAO
Type NAOʝʝZW

Type NAO Type NAOʝZW

d 70ʙ90mm

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
95 30 1 80 86 57 000 159 000 5 800 16 200 3 300 5 000 NAO-70ʷʷ 95ʷʷ30
95 56 1 80 88 105 000 284 000 10 700 29 000 3 300 5 000 NAO-70ʷʷ 95ʷʷ56ZW
70
100 30 1 80 88 69 000 166 000 7 050 17 000 3 300 5 000 NAO-70ʷʷ100ʷʷ30
100 60 1 80 88 119 000 335 000 12 100 34 000 3 300 5 000 NAO-70ʷʷ100ʷʷ60ZW
105 25 1 85 93 61 500 146 000 6 250 14 900 3 100 4 700 NAO-75ʷʷ105ʷʷ25
75
105 30 1 85 93 71 000 175 000 7 200 17 900 3 100 4 700 NAO-75ʷʷ105ʷʷ30
80 110 30 1 90 98 72 500 184 000 7 400 18 800 3 000 4 400 NAO-80ʷʷ110ʷʷ30
85 115 30 1 95 103 74 000 193 000 7 550 19 600 2 800 4 200 NAO-85ʷʷ115ʷʷ30
90 120 30 1 100 108 76 000 201 000 7 700 20 500 2 700 4 000 NAO-90ʷʷ120ʷʷ30

Note 1) Allowable minimum chamfer dimension r.

B-112