Inside circumference (mm) |
Inside diameter (mm) |
US \ Canada |
Uk \ Australia |
France |
Germany \ Russia |
India \ China \ Japan \ South America |
Italy \ Spain \ Netherlands \ Switzerland |
|
13.10 |
41.50 |
2 |
D |
41-1/2 |
13-1/4 |
2 |
1-1/2 |
|
13.40 |
42.70 |
2-1/2 |
E |
42-3/4 |
13-3/4 |
3 |
2-3/4 |
|
13.81 |
43.78 |
3 |
F |
44 |
14 |
4 |
4 |
|
14.23 |
44.80 |
3-1/2 |
G |
45-1/4 |
14-1/2 |
5 |
4-1/4 |
|
14.65 |
46.02 |
4 |
H |
46-1/2 |
15 |
7 |
6-1/2 |
|
15.04 |
47.25 |
4-1/2 |
I |
47-3/4 |
15-1/4 |
8 |
7-3/4 |
|
15.60 |
49.01 |
5 |
J-1/2 |
49 |
15-3/4 |
9 |
9 |
|
16.00 |
50.11 |
5-1/2 |
K-1/2 |
50-1/2 |
16-1/4 |
10 |
10-1/4 |
|
16.30 |
51.22 |
6 |
L-1/2 |
51-1/2 |
16-1/2 |
12 |
11-1/2 |
|
16.71 |
52.51 |
6-1/2 |
M-1/2 |
52-3/4 |
17 |
13 |
12-3/4 |
|
17.35 |
54.51 |
7 |
O |
54 |
17-1/4 |
14 |
14 |
|
17.75 |
55.76 |
7-1/2 |
P |
55-1/4 |
17-3/4 |
15 |
15=1/4 |
|
18.19 |
57.15 |
8 |
Q |
56-1/2 |
18 |
16 |
16-1/2 |
|
18.61 |
58.47 |
8-1/2 |
R |
57-3/4 |
18-1/2 |
17 |
17-3/4 |
|
19.10 |
60.00 |
9 |
S |
59 |
19 |
18 |
19 |
|
19.41 |
60.86 |
9-1/2 |
T |
60-1/4 |
19-1/2 |
19 |
20-1/4 |
|
19.71 |
62.09 |
10 |
T-1/2 |
61-1/2 |
19-3/4 |
30 |
21-1/2 |
|
20.22 |
63.38 |
10-1/2 |
U-1/2 |
62-3/4 |
20-1/4 |
22 |
22-3/4 |
|
20.52 |
64.42 |
11 |
V-1/2 |
64 |
20-3/4 |
23 |
24 |
