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*Axial displacement of the ALS-014-R to ALS-080-R is not allowed in the negative direction.
*Max. rotation speed does not take into account dynamic balance.
*Stiffness values given are from measurements taken at 20℃.
*The moment of inertia and mass are measured for the maximum bore diameter.
Dimensions
Unit [mm]
Model
d1, d2
D
L
L1, L2
E
S
C
Pilot bore
Min.
Max.
ALS-014-R
3
3
6.5
14
22
7
8
1
3.5
ALS-020-R
4
4
9.6
20
30
10
10
1
5
ALS-030-R
5
6
14
30
35
11
13
1.5
5.5
ALS-040-R
5
8
22
40
66
25
16
2
12.5
ALS-055-R
5
10
28
55
78
30
18
2
15
ALS-065-R
5
14
38
65
90
35
20
2.5
17.5
ALS-080-R
10
19
45
80
114
45
24
3
22.5
ALS-095-R
8
19
55
95
126
50
26
3
25
ALS-105-R
10
19
60
105
140
56
28
3.5
28
*”Pilot bore” refers to center processing.
Standard bore diameter
Unit [mm]
Model
Standard bore diameter d1, d2 [mm]
3
4
5
6
6.35
7
8
9
9.525
10
11
12
14
15
16
17
18
19
20
22
24
25
28
30
32
35
38
40
42
45
48
50
55
56
60
ALS-014-R
●
●
●
●
●
ALS-020-R
●
●
●
●
●
●
●
●
ALS-030-R
●
●
●
●
●
●
●
●
●
●
ALS-040-R
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ALS-055-R
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ALS-065-R
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ALS-080-R
●
●
●
●
●
●
●
●
●
●
●
●
●
ALS-095-R
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
ALS-105-R
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
*The bore diameters marked with ● are supported as standard bore diameter.
*ø11 and below have no keyway; ø12 and above can be processed for old JIS standards, new JIS standards, and new standard motors.
ALS R Types (clamp types)
Specifications
Unit [mm]
Model
Misalignment
Max. rotation speed [min-1]
Static torsional stiffness [N・m/rad]
Radial stiffness [N/mm]
Moment of inertia [kg・m2]
Mass [kg]
Parallel [mm]
Angular [°]
Axial [mm]
ALS-014-R
0.1
1
0 to +0.6
10000
21
380
1.98×10-7
0.007
ALS-020-R
0.1
1
0 to +0.8
10000
43
400
1.09×10-6
0.019
ALS-030-R
0.1
1
0 to +1.0
10000
136
650
6.19×10-6
0.045
ALS-040-R
0.1
1
0 to +1.2
10000
1550
1700
4.01×10-5
0.16
ALS-055-R
0.1
1
0 to +1.4
7000
2000
1350
1.63×10-4
0.34
ALS-065-R
0.1
1
0 to +1.5
5900
3100
1400
3.69×10-4
0.54
ALS-080-R
0.1
1
0 to +1.8
4800
6000
1710
1.04×10-3
1.00
*Axial displacement is not allowed in the negative direction.
*Max. rotation speed does not take into account dynamic balance.
*Stiffness values given are from measurements taken at 20℃.
*The moment of inertia and mass are measured for the maximum bore diameter.
Dimensions
Unit [mm]
Model
d1, d2
D
DB
L
L1, L2
E
S
B
G
M
Tightening torque [N・m]
Min.
Max.
ALS-014-R
3
6
14
16.1
22
7
8
1
3.5
4.8
1-M2
0.4
ALS-020-R
4
8
20
20
30
10
10
1
5
6.5
1-M2.5
1
ALS-030-R
6
14
30
30
35
11
13
1.5
5.5
10.5
1-M3
1.5
ALS-040-R
8
20
40
43.2
66
25
16
2
12.5
15
1-M5
7
ALS-055-R
10
28
55
55
78
30
18
2
10.5
20
1-M6
14
ALS-065-R
14
35
65
69.8
90
35
20
2.5
11.5
24.5
1-M8
30
ALS-080-R
19
45
80
80
114
45
24
3
11.5
30
1-M8
30
*The øDB value is measured assuming that the head of the clamping bolt is larger than the external diameter of the hub.
*The nominal diameter for the clamping bolt M is equal to the quantity minus the nominal diameter of the screw threads, where the quantity is for a hub on one side.
Standard bore diameter and allowable transmission torque
Model
Standard bore diameters d1, d2 [mm] and rated transmission torque [N・m]
3
4
5
6
6.35
7
8
9
9.525
10
11
12
14
15
16
18
19
20
22
24
25
28
30
32
35
38
40
42
45
ALS-014-R
0.31
0.42
0.54
0.65
ALS-020-R
1.2
1.6
2.1
2.2
2.6
3
ALS-030-R
2
2.2
2.7
3.4
4
4.4
4.7
5.4
6
7.4
ALS-040-R
8
12
14
16
19
23
31
34
34
34
34
34
ALS-055-R
21
25
28
35
38
41
48
51
54
61
67
71
80
ALS-065-R
40
44
47
54
58
61
68
75
79
89
96
103
114
ALS-080-R
53
59
72
84
90
108
121
133
151
170
182
194
212
*Bore diameters whose fields contain numbers are supported as the standard bore diameters.
*Bore diameters whose fields contain numbers are restricted in their rated transmission torque by the holding power of the shaft connection component. The numbers indicate the rated transmission torque value [N·m].
*The recommended processing tolerance for paired mounting shafts is the h7 class. However, for a shaft diameter of ø35, the tolerance is -0.025 to +0.010.
*Bore diameters between the minimum and maximums shown in the dimensions table are compatible, but bore diameters other than those shown in the above table require other arrangements. Contact Miki Pulley for details.
Element
Unit [mm]
Model
F
R1
R2
K
A
ALS-014-R-EL
6.2
3.5
—
2.5
1.2
ALS-020-R-EL
8.2
6.2
—
3.4
1.4
ALS-030-R-EL
10.2
8.5
—
4
2.2
ALS-040-R-EL
12
18
—
4.5
3
ALS-055-R-EL
14
24
—
5.5
3
ALS-065-R-EL
15
30
—
5.5
4
ALS-080-R-EL
18
37
15
7
4
ALS-095-R-EL
20
43
20
8
4
ALS-105-R-EL
21
50
20
8.5
4
Standard Hole-drilling Standards
Unit [mm]
Models compliant with the old JIS standards (Class 2)
Models compliant with the new JIS standards
Models compliant with the new motor standards
Nominal bore diameter
Bore diameter (d1, d2)
Keyway width (W1, W2)
Keyway height (T1, T2)
Set screw hole (M)
Nominal bore diameter
Bore diameter (d1, d2)
Keyway width (W1, W2)
Keyway height (T1, T2)
Set screw hole (M)
Nominal bore diameter
Bore diameter (d1, d2)
Keyway width (W1, W2)
Keyway height (T1, T2)
Set screw hole (M)
Tolerance
H7, H8
E9
+0.30
–
Tolerance
H7
H9
+0.30
–
Tolerance
G7, F7
H9
+0.30
–
3
3+0.0180
–
–
1-M3
—
—
—
—
—
—
—
—
—
—
4
4+0.0180
–
–
2-M3
—
—
—
—
—
—
—
—
—
—
5
5+0.0180
–
–
2-M3
—
—
—
—
—
—
—
—
—
—
6
6+0.0180
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
6.35
6.35+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
7
7+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
8
8+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
9
9+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
9.525
9.525+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
10
10+0.0220
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
11
11+0.0180
–
–
2-M4
—
—
—
—
—
—
—
—
—
—
12
12+0.0180
4+0.050+0.020
13.5
2-M4
12H
12+0.0180
4+0.0300
13.8
2-M4
—
—
—
—
—
14
14+0.0180
5+0.050+0.020
16.0
2-M4
14H
14+0.0180
5+0.0300
16.3
2-M4
14N
14+0.024+0.006
5+0.0300
16.3
2-M4
15
15+0.0180
5+0.050+0.020
17.0
2-M4
15H
15+0.0180
5+0.0300
17.3
2-M4
—
—
—
—
—
16
16+0.0180
5+0.050+0.020
18.0
2-M4
16H
16+0.0180
5+0.0300
18.3
2-M4
—
—
—
—
—
17
17+0.0180
5+0.050+0.020
19.0
2-M4
17H
17+0.0180
5+0.0300
19.3
2-M4
—
—
—
—
—
18
18+0.0180
5+0.050+0.020
20.0
2-M4
18H
18+0.0180
6+0.0300
20.8
2-M5
—
—
—
—
—
19
19+0.0210
5+0.050+0.020
21.0
2-M4
19H
19+0.0210
6+0.0300
21.8
2-M5
19N
19+0.028+0.007
6+0.0300
21.8
2-M5
20
20+0.0210
5+0.050+0.020
22.0
2-M4
20H
20+0.0210
6+0.0300
22.8
2-M5
—
—
—
—
—
22
22+0.0210
7+0.061+0.025
25.0
2-M6
22H
22+0.0210
6+0.0300
24.8
2-M5
—
—
—
—
—
24
24+0.0210
7+0.061+0.025
27.0
2-M6
24H
24+0.0210
8+0.0360
27.3
2-M6
24N
24+0.028+0.007
8+0.0360
27.3
2-M6
25
25+0.0210
7+0.061+0.025
28.0
2-M6
25H
25+0.0210
8+0.0360
28.3
2-M6
—
—
—
—
—
28
28+0.0210
7+0.061+0.025
31.0
2-M6
28H
28+0.0210
8+0.0360
31.3
2-M6
28N
28+0.028+0.007
8+0.0360
31.3
2-M6
30
30+0.0210
7+0.061+0.025
33.0
2-M6
30H
30+0.0210
8+0.0360
33.3
2-M6
—
—
—
—
—
32
32+0.0250
10+0.061+0.025
35.5
2-M8
32H
32+0.0250
10+0.0360
35.3
2-M8
—
—
—
—
—
35
35+0.0250
10+0.061+0.025
38.5
2-M8
35H
35+0.0250
10+0.0360
38.3
2-M8
—
—
—
—
—
38
38+0.0250
10+0.061+0.025
41.5
2-M8
38H
38+0.0250
10+0.0360
41.3
2-M8
38N
38+0.050+0.025
10+0.0360
41.3
2-M8
40
40+0.0250
10+0.061+0.025
43.5
2-M8
40H
40+0.0250
12+0.0430
43.3
2-M8
—
—
—
—
—
42
42+0.0250
12+0.075+0.032
45.5
2-M8
42H
42+0.0250
12+0.0430
45.3
2-M8
42N
42+0.050+0.025
12+0.0430
45.3
2-M8
45
45+0.0250
12+0.075+0.032
48.5
2-M8
45H
45+0.0250
14+0.0430
48.8
2-M10
—
—
—
—
—
48
48+0.0250
12+0.075+0.032
51.5
2-M8
48H
48+0.0250
14+0.0430
51.8
2-M10
48N
48+0.050+0.025
14+0.0430
51.8
2-M10
50
50+0.0250
12+0.075+0.032
53.5
2-M8
50H
50+0.0250
14+0.0430
53.8
2-M10
—
—
—
—
—
55
55+0.0300
15+0.075+0.032
60.0
2-M10
55H
55+0.0300
16+0.0430
59.3
2-M10
55N
55+0.060+0.030
16+0.0430
59.3
2-M10
56
56+0.0300
15+0.075+0.032
61.0
2-M10
56H
56+0.0300
16+0.0430
60.3
2-M10
—
—
—
—
—
60
60+0.0300
15+0.075+0.032
65.0
2-M10
60H
60+0.0300
18+0.0430
64.4
2-M10
60N
60+0.060+0.030
18+0.0430
64.4
2-M10
*Tolerance will be h8 class for hole diameter equal to or less than ø10 mm.
*The set screw size is M3 for ALS-014.