Page 166 - needle bearings
P. 166
Machined ring needle roller bearings, separable Type
NTN
Without inner ring
Type RNAO
Type RNAOʝʝZW
Type RNAO Type RNAOʝZW
FW 40ʙ85mm
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
40 +0.041 55 40 0.3 48 56 500 102 000 5 750 10 400 6 500 10 000 RNAO-40ʷʷ 55ʷʷ40ZW
+0.025
55 17 0.3 50 22 300 44 500 2 280 4 550 6 000 9 000 RNAO-45ʷʷ 55ʷʷ17
55 34 0.3 50 38 500 89 500 3 900 9 100 6 000 9 000 RNAO-45ʷʷ 55ʷʷ34ZW
+0.041
45
+0.025
62 20 0.3 53 36 000 59 000 3 650 6 000 6 000 9 000 RNAO-45ʷʷ 62ʷʷ20
62 40 0.3 53 61 500 118 000 6 250 12 000 6 000 9 000 RNAO-45ʷʷ 62ʷʷ40ZW
62 20 0.3 55 27 900 62 000 2 850 6 300 5 500 8 000 RNAO-50ʷʷ 62ʷʷ20
62 40 0.3 55 48 000 124 000 4 900 12 600 5 500 8 000 RNAO-50ʷʷ 62ʷʷ40ZW
+0.041
50
+0.025
65 20 0.3 58 38 500 67 500 3 950 6 850 5 500 8 000 RNAO-50ʷʷ 65ʷʷ20
65 40 0.6 58 66 500 135 000 6 750 13 700 5 500 8 000 RNAO-50ʷʷ 65ʷʷ40ZW
68 20 0.6 60 28 800 66 500 2 940 6 750 4 800 7 500 RNAO-55ʷʷ 68ʷʷ20
68 25 0.6 63 50 500 97 500 5 150 9 950 4 800 7 500 RNAO-55ʷʷ 68ʷʷ25
+0.049
55 68 40 0.6 60 49 500 133 000 5 050 13 500 4 800 7 500 RNAO-55ʷʷ 68ʷʷ40ZW
+0.030
72 20 0.6 63 39 000 70 000 3 950 7 100 4 800 7 500 RNAO-55ʷʷ 72ʷʷ20
72 40 0.6 63 66 500 140 000 6 800 14 200 4 800 7 500 RNAO-55ʷʷ 72ʷʷ40ZW
75 46 1 68 76 000 170 000 7 750 17 400 4 400 6 500 RNAO-60ʷʷ 75ʷʷ46ZW
+0.049
60 78 20 1 68 40 000 75 000 4 100 7 650 4 400 6 500 RNAO-60ʷʷ 78ʷʷ20
+0.030
78 40 1 68 69 000 150 000 7 050 15 300 4 400 6 500 RNAO-60ʷʷ 78ʷʷ40ZW
85 30 1 73 61 000 132 000 6 200 13 400 4 100 6 000 RNAO-65ʷʷ 85ʷʷ30
+0.049
65
+0.030
85 60 1 73 104 000 263 000 10 600 26 800 4 100 6 000 RNAO-65ʷʷ 85ʷʷ60ZW
+0.049 90 30 1 78 65 500 149 000 6 700 15 200 3 800 5 500 RNAO-70ʷʷ 90ʷʷ30
70 +0.030
90 60 1 78 112 000 297 000 11 500 30 500 3 800 5 500 RNAO-70ʷʷ 90ʷʷ60ZW
95 30 1 83 67 500 157 000 6 850 16 100 3 600 5 500 RNAO-75ʷʷ 95ʷʷ30
+0.049
75
+0.030
95 60 1 83 115 000 315 000 11 800 32 000 3 600 5 500 RNAO-75ʷʷ 95ʷʷ60ZW
95 30 1 86 57 000 159 000 5 800 16 200 3 300 5 000 RNAO-80ʷʷ 95ʷʷ30
95 56 1 88 105 000 284 000 10 700 29 000 3 300 5 000 RNAO-80ʷʷ 95ʷʷ56ZW
+0.049
80
+0.030
100 30 1 88 69 000 166 000 7 050 17 000 3 300 5 000 RNAO-80ʷʷ100ʷʷ30
100 60 1 88 119 000 335 000 12 100 34 000 3 300 5 000 RNAO-80ʷʷ100ʷʷ60ZW
+0.058
85 105 25 1 93 61 500 146 000 6 250 14 900 3 100 4 700 RNAO-85ʷʷ105ʷʷ25
+0.036
Note 1) Allowable minimum chamfer dimension r.
B-104