unit:mm
| Type |
Shaft Dia (D1) |
A |
B |
C |
± 0.02 E |
H1 |
± 0.02 h |
H |
L |
L1 |
L2 |
L3 |
M |
X |
Y |
Z |
T |
| EK-4 |
4 |
34 |
26 |
18 |
17 |
7 |
10 |
19 |
15 |
5.5 |
17.5 |
3 |
M2.6 |
4.5 |
--- |
--- |
10 |
| EK-5 |
5 |
36 |
28 |
20 |
18 |
8 |
11 |
21 |
16.5 |
5.5 |
18.5 |
3.5 |
M2.6 |
4.5 |
--- |
--- |
11 |
| EK-6 |
6 |
42 |
30 |
18 |
21 |
20 |
13 |
25 |
20 |
5.5 |
22 |
3.5 |
M3 |
5.5 |
9.5 |
11 |
12 |
| EK-8 |
8 |
52 |
38 |
25 |
26 |
26 |
17 |
32 |
23 |
7 |
26 |
4 |
M3 |
6.6 |
11 |
12 |
14 |
| EK-10 |
10 |
70 |
52 |
36 |
35 |
24 |
25 |
43 |
24 |
6 |
29.5 |
6 |
M3 |
9 |
--- |
--- |
16 |
| EK-12 |
12 |
70 |
52 |
36 |
35 |
24 |
25 |
43 |
24 |
6 |
29.5 |
6 |
M3 |
9 |
--- |
--- |
19 |
| EK-15 |
15 |
80 |
60 |
41 |
40 |
25 |
30 |
49 |
25 |
6 |
36 |
5 |
M3 |
11 |
--- |
--- |
22 |
| EK-20 |
20 |
95 |
75 |
56 |
47.5 |
45 |
30 |
58 |
42 |
10 |
52 |
10 |
M4 |
11 |
17 |
15 |
30 |
Surface Treatment: EK Type Black Dyeing
 |
| Dimension (mm) |
h unit 0.001 |
| over |
less |
h |
| 6 |
10 |
-2
-15 |
| 10 |
14 |
-3
-18 |
| 14 |
18 |
| 18 |
24 |
-4
-21 |
|
Dimension of Shaft End

| EK Type |
Shaft Dia D
|
D1 |
B |
E |
F |
M |
S |
Chamfer |
Radius |
H1 Groove(width x depth x lenght) |
H2 |
W |
C1 |
C2 |
C3 |
R1 |
R2MAX |
N |
P |
R |
P |
| EK-6 |
 6  8 |
8 |
4 |
30 |
8 |
M6 x 0.75 |
8 |
0.3 |
0.3 |
0.3 |
0.3 |
0.6 |
------ |
--- |
3.7 |
6 |
--- |
| EK-8 |
 10  12 |
8 |
6 |
35 |
9 |
M8 x 1 |
10 |
0.3 |
0.3 |
0.3 |
0.3 |
0.6 |
------ |
--- |
5.6 |
7 |
--- |
| EK-10 |
|
10 |
8 |
36 |
15 |
M10 x 1 |
11 |
0.5 |
0.5 |
0.5 |
0.3 |
0.6 |
2 x 1.2 |
11 |
7.5 |
11 |
-0.5 |
| EK-12 |
|
12 |
10 |
36 |
15 |
M12 x 1 |
11 |
0.5 |
0.5 |
0.5 |
0.3 |
0.6 |
3 x 1.8 |
12 |
9.5 |
12 |
-0.5 |
| EK-15 |
 18  20 |
15 |
12 |
49 |
20 |
M15 x 1 |
13 |
0.5 |
0.5 |
0.5 |
0.3 |
0.6 |
4 x 2.5 |
16 |
11.3 |
16 |
5.0 |
| EK-20 |
 25  28 |
20 |
17 |
64 |
25 |
M20 x 1 |
17 |
0.5 |
0.5 |
0.5 |
0.5 |
0.6 |
5 x 3.0 |
21 |
16 |
21 |
1.0 |