Page 76 - needle bearings

Needle roller and cage assemblies
NTN

Type K
Type KʝʝZW
BC BC
Type KMJ

ПEW ПFW ПEW ПFW

Type K Type KŋŋZW

FW 60ʙ80mm

Boundary dimensions Basic load ratings Limiting speeds Bearing numbers Mass
dynamic static dynamic static
mm N kgf r/min kg
grease oil
Fw Ew Bc Cr Cor Cr Cor (approx.)
60 68 30 ʵ0.2 46 500 91 000 4 750 9 300 4 300 6 500 K60ʷ68ʷ30ZW 0.119
ʵ0.55
66 20 ʵ0.2 29 700 71 500 3 050 7 300 4 300 6 500 K61ʷ66ʷ20 0.054
61 ʵ0.55
66 30 43 500 116 000 4 400 11 900 4 300 6 500 K61ʷ66ʷ30 0.073
ʵ0.2
63 70 21 ʵ0.55 44 500 95 500 4 500 9 700 4 300 6 500 K63ʷ70ʷ21 0.075
ʵ0.2
64 70 16 ʵ0.55 28 400 60 500 2 900 6 150 4 300 6 500 K64ʷ70ʷ16 0.053
70 20 30 500 75 000 3 100 7 650 4 000 6 000 K65ʷ70ʷ20 0.055
70 30 ʵ0.2 45 000 124 000 4 600 12 700 4 000 6 000 K65ʷ70ʷ30 0.083
65 ʵ0.55
73 23 47 000 94 000 4 800 9 600 4 000 6 000 K65ʷ73ʷ23 0.100
73 30 61 000 132 000 6 200 13 400 4 000 6 000 K65ʷ73ʷ30 0.126

74 20 36 000 83 500 3 700 8 550 4 000 6 000 K68ʷ74ʷ20 0.065
74 30 ʵ0.2 51 500 133 000 5 250 13 500 4 000 6 000 K68ʷ74ʷ30 0.097
68 ʵ0.55
74 35 49 500 125 000 5 050 12 800 4 000 6 000 K68ʷ74ʷ35ZW 0.116
75 21 45 500 101 000 4 600 10 300 4 000 6 000 K68ʷ75ʷ21 0.077
76 20 36 500 86 000 3 700 8 750 3 700 5 500 K70ʷ76ʷ20 0.070
76 30 53 000 139 000 5 400 14 200 3 700 5 500 K70ʷ76ʷ30 0.100
ʵ0.2
70 77 21 ʵ0.55 45 000 101 000 4 600 10 300 3 700 5 500 K70ʷ77ʷ21 0.080
78 23 49 500 103 000 5 050 10 500 3 700 5 500 K70ʷ78ʷ23 0.107
78 30 65 500 149 000 6 700 15 200 3 700 5 500 K70ʷ78ʷ30 0.136
ʵ0.2
72 79 21 ʵ0.55 46 500 106 000 4 750 10 800 3 700 5 500 K72ʷ79ʷ21 0.085
79 20 ʵ0.2 39 500 95 500 4 000 9 750 3 700 5 500 KMJ73ʷ79ʷ20 0.063
73 ʵ0.55
79 30 54 500 146 000 5 550 14 900 3 700 5 500 K73ʷ79ʷ30 0.106
81 20 40 500 100 000 4 100 10 200 3 700 5 500 KMJ75ʷ81ʷ20 0.064
81 30 56 000 152 000 5 700 15 500 3 700 5 500 K75ʷ81ʷ30 0.108
ʵ0.2
75 82 21 ʵ0.55 46 000 106 000 4 700 10 800 3 700 5 500 K75ʷ82ʷ21 0.088
83 23 50 500 109 000 5 150 11 100 3 700 5 500 K75ʷ83ʷ23 0.113
83 30 67 500 157 000 6 850 16 100 3 700 5 500 K75ʷ83ʷ30 0.147
86 20 ʵ0.2 39 000 98 000 4 000 10 000 3 300 5 000 K80ʷ86ʷ20 0.077
80 ʵ0.55
86 30 57 000 159 000 5 800 16 200 3 300 5 000 K80ʷ86ʷ30 0.110
Remarks: Even when an order is placed with reference to “Nominal bearing number” listed in this table, the ordered bearings are subject to being delivered with
different cage type.
B-14