Needle Roller Bearings - Ntn-snr.com

Needle roller and cage assemblies
NTN
Type K
Type KZW
Type KMJ
BC
BC
EW
FW
EW
FW
Type K
Type KZW
FW
6080mm
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 0.2
46 500 91 000 4 750 9 300 4 300 6 500 K606830ZW 0.119
0.55
61
66 20 0.2 29 700 71 500 3 050 7 300 4 300 6 500 K616620 0.054
66
0.55
30 43 500 116 000 4 400 11 900 4 300 6 500 K616630 0.073
63 70
0.2
21 0.55 44 500 95 500 4 500 9 700 4 300 6 500 K637021 0.075
64 70
0.2
16 0.55 28 400 60 500 2 900 6 150 4 300 6 500 K647016 0.053
65
70 20 30 500 75 000 3 100 7 650 4 000 6 000 K657020 0.055
70 30 0.2 45 000 124 000 4 600 12 700 4 000 6 000 K657030 0.083
73
0.55
23 47 000 94 000 4 800 9 600 4 000 6 000 K657323 0.100
73 30 61 000 132 000 6 200 13 400 4 000 6 000 K657330 0.126
68
74 20 36 000 83 500 3 700 8 550 4 000 6 000 K687420 0.065
74 30 0.2 51 500 133 000 5 250 13 500 4 000 6 000 K687430 0.097
74
0.55
35 49 500 125 000 5 050 12 800 4 000 6 000 K687435ZW 0.116
75 21 45 500 101 000 4 600 10 300 4 000 6 000 K687521 0.077
76 20 36 500 86 000 3 700 8 750 3 700 5 500 K707620 0.070
76 30 53 000 139 000 5 400 14 200 3 700 5 500 K707630 0.100
70 77
0.2
21 0.55 45 000 101 000 4 600 10 300 3 700 5 500 K707721 0.080
78 23 49 500 103 000 5 050 10 500 3 700 5 500 K707823 0.107
78 30 65 500 149 000 6 700 15 200 3 700 5 500 K707830 0.136
72 79
0.2
21 0.55 46 500 106 000 4 750 10 800 3 700 5 500 K727921 0.085
73
79 20 0.2 39 500 95 500 4 000 9 750 3 700 5 500 KMJ737920 0.063
79
0.55
30 54 500 146 000 5 550 14 900 3 700 5 500 K737930 0.106
81 20 40 500 100 000 4 100 10 200 3 700 5 500 KMJ758120 0.064
81 30 56 000 152 000 5 700 15 500 3 700 5 500 K758130 0.108
75 82
0.2
21 0.55 46 000 106 000 4 700 10 800 3 700 5 500 K758221 0.088
83 23 50 500 109 000 5 150 11 100 3 700 5 500 K758323 0.113
83 30 67 500 157 000 6 850 16 100 3 700 5 500 K758330 0.147
80
86 20 0.2 39 000 98 000 4 000 10 000 3 300 5 000 K808620 0.077
86
0.55
30 57 000 159 000 5 800 16 200 3 300 5 000 K808630 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