unit of measure
conversions equivalences

italiano misure english measure
Conversion table
Conversion factors in PDF

ISO metric primary fits for external measuraments axes and shafts

designation
and axis dimension in mm
s6
r6
n6
m6
j6
h5
h6
h8
h9
h11
g5
g6
f7
f8
e8
d11
from > 1
to <= 3
+20
+14
+16
+10
+10
+4
+8
+2
+4
-2
0
-4
0
-6
0
-14
0
-25
0
-60

-2
-6
-2
-8
-6
-16
-6
-20
-14
-28
-20
-80
from >3
to <= 6

+27
+19
+23
15
+16
+8
+12
+4
+6
-2
0
-5
0
-8
0
-18
0
-30
0
-75
-4
-9
-4
-12
-10
-22
-10
-28
-20
-38
-30
-105
from > 6
to <= 10
+32
+23
+28
+19
+19
+10
+15
+6
+7
-2
0
-6
0
-9
0
-22
0
-36
0
-90
-5
-11
-5
-14
-13
-28
-13
-35
-25
-47
-40
-130
from > 10
to <= 14
+39
+38
+34
+23
+23
+12
+18
+7
+8
-3
0
-8
0
-11
0
-27
0
-43
0
-110
-6
-14
-6
-17
-16
-34
-16
-43
-32
-59
-50
-160
from > 14
to <= 18
from > 18
to <= 24
+48
+35
+41
+28
+28
+15
+21
+8
+9
-4
0
-9
0
-13
0
-33
0
-52
0
-130
-7
-16
-7
-20
-20
-41
-20
-53
-40
-73
-65
-195
from > 24
to <= 30
from > 30
to <= 40
+59
+43
+50
+34
+33
+17
+25
+9
+11
-5
0
-11
0
-16
0
-39
0
-62
0
-160
-9
-20
-9
-25
-25
-50
-25
-64
-50
-89
-80
-240
from > 40
to <=50
from > 50
to <= 65
+72
+53
+60
+41
+39
+20
+30
+11
+12
-7
0
-13
0
-19
0
-46
0
-74
0
-190
-10
-23
-10
-29
-30
-60
-30
-75
-60
-106
-100
-290
from > 65
to <= 80
+78
+59
+62
+43
from > 80
to <= 100
+93
+71
+73
+51
+45
+23
+35
+13
+13
-9
0
-15
0
-22
0
-54
0
-87
0
-220
-12
-27
-12
-34
-36
-71
-36
-90
-72
-126
-120
-340
from > 100
to <= 120
+101
+79
+76
+54
from > 120
to <= 140
+117
+92
+88
+63
+52
+27
+40
+15
+14
-11
0
-18
0
-25
0
-63
0
-100
0
-250
-14
-32
-14
-39
-43
-83
-43
-106
-85
-148
-145
-395
from > 140
to <= 160
+125
+100
+90
+65
from > 160
to <= 180
+133
+106
+93
+68
all tolerance measure in micron = 0.001 mm
tolerance table x holes
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