ALS (Y) Type

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ALS (Y) Type Specifications

ALS (Y) Types (key/set screw type)
ALS (Y) Types (clamp types)

ALS (Y) Types (key/set screw type)

[Specifications]

Model	Torque		Misalignment			Max. rotation speed ［min^-1］	Static torsional stiffness ［N・m/rad］	Radial stiffness ［N/mm］	Moment of inertia ［kg・m²］	Mass ［kg］
Model	Nominal ［N・m］	Max. ［N・m］	Parallel ［mm］	Angular ［°］	Axial ［mm］	Max. rotation speed ［min^-1］	Static torsional stiffness ［N・m/rad］	Radial stiffness ［N/mm］	Moment of inertia ［kg・m²］	Mass ［kg］
ALS-014-Y	1.2	2.4	0.10	1	0 to ＋0.6	34100	12	200	1.91×10^-7	0.007
ALS-020-Y	3	6	0.15	1	0 to ＋0.8	23800	24	210	1.08×10^-6	0.018
ALS-030-Y	7.5	15	0.15	1	0 to ＋1.0	15900	73	330	6.25×10^-6	0.047
ALS-040-Y	10	20	0.10	1	0 to ＋1.2	11900	760	940	3.87×10^-5	0.15
ALS-055-Y	35	70	0.15	1	0 to ＋1.4	8700	1400	1160	1.66×10^-4	0.35
ALS-065-Y	95	190	0.15	1	0 to ＋1.5	7400	2100	1200	3.57×10^-4	0.51
ALS-080-Y	190	380	0.15	1	0 to ＋1.8	6000	4000	1430	1.06×10^-3	1.01
ALS-095-Y	265	530	0.15	1	－0.5 to ＋2.0	5000	6000	2400	2.24×10^-3	1.50
ALS-105-Y	310	620	0.20	1	－0.9 to ＋2.0	4500	7000	4000	3.72×10^-3	2.05

*Axial displacement of the ALS-014-Y to ALS-080-Y 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		d1, d4	D	L	L1, L2	E	S	C
Model	Pilot bore	Min.	Max.	D	L	L1, L2	E	S	C
ALS-014-Y	3	3	6.5	14	22	7	8	1	3.5
ALS-020-Y	4	4	9.6	20	30	10	10	1	5
ALS-030-Y	5	6	14	30	35	11	13	1.5	5.5
ALS-040-Y	5	8	22	40	66	25	16	2	12.5
ALS-055-Y	5	10	28	55	78	30	18	2	15
ALS-065-Y	5	14	38	65	90	35	20	2.5	17.5
ALS-080-Y	10	19	45	80	114	45	24	3	22.5
ALS-095-Y	8	19	55	95	126	50	26	3	25
ALS-105-Y	10	19	60	105	140	56	28	3.5	28

*"Pilot bore" refers to center processing.

[Standard bore diameter]

Model	Standard bore diameter d1, d2 ［mm］
Model	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-Y	●	●	●	●	●
ALS-020-Y		●	●	●	●	●	●	●	●
ALS-030-Y				●	●	●	●	●	●	●	●	●	●
ALS-040-Y							●	●	●	●	●	●	●	●	●	●	●	●	●	●
ALS-055-Y										●	●	●	●	●	●	●	●	●	●	●	●	●	●
ALS-065-Y													●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
ALS-080-Y																		●	●	●	●	●	●	●	●	●	●	●	●	●
ALS-095-Y																		●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
ALS-105-Y																		●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●

*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.

[Element]

Unit ［mm］

Model	F	R1	R2	K	A
ALS-014-Y-EL	6.2	3.5	--	2.5	1.2
ALS-020-Y-EL	8.2	6.2	--	3.4	1.4
ALS-030-Y-EL	10.2	8.5	--	4	2.2
ALS-040-Y-EL	12	18	--	4.5	3
ALS-055-Y-EL	14	24	--	5.5	3
ALS-065-Y-EL	15	30	--	5.5	4
ALS-080-Y-EL	18	37	15	7	4
ALS-095-Y-EL	20	43	20	8	4
ALS-105-Y-EL	21	50	20	8.5	4

[Standard Hole-drilling Standards]

Unit [mm]

Models compliant with the old JIS standard (class 2) JIS B 1301 1959					Models compliant with the new JIS standard (H9) JIS B 1301 1996					Models compliant with the new JIS standard (JS9) JIS B 1301 1996					Models compliant with the motor standard JIS C 4210 2001
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]	Nominal bore diameter	Bore diameter [d1・d2]	Keyway width [W1・W2]	Keyway height [T1・T2]	Set screw hole [M]
Nominal bore diameter	Tolerance H7,H8	Tolerance E9	－	－	Nominal bore diameter	Tolerance H7	Tolerance H9	－	－	Nominal bore diameter	Tolerance H7	Tolerance JS9	－	－	Nominal bore diameter	Tolerance G7,F7	Tolerance H9	－	－
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^+0.3₀	2-M4	12H	12^+0.018₀	4^+0.030₀	13.8^+0.3₀	2-M4	12J	12^+0.018₀	4^±0.0150	13.8^+0.3₀	2-M4	－	－	－	－	－
14	14^+0.018₀	5^+0.050_+0.020	16.0^+0.3₀	2-M4	14H	14^+0.018₀	5^+0.030₀	16.3^+0.3₀	2-M4	14J	14^+0.018₀	5^±0.0150	16.3^+0.3₀	2-M4	14N	14^+0.024_+0.006	5^+0.030₀	16.3^+0.3₀	2-M4
15	15^+0.018₀	5^+0.050_+0.020	17.0^+0.3₀	2-M4	15H	15^+0.018₀	5^+0.030₀	17.3^+0.3₀	2-M4	15J	15^+0.018₀	5^±0.0150	17.3^+0.3₀	2-M4	－	－	－	－	－
16	16^+0.018₀	5^+0.050_+0.020	18.0^+0.3₀	2-M4	16H	16^+0.018₀	5^+0.030₀	18.3^+0.3₀	2-M4	16J	16^+0.018₀	5^±0.0150	18.3^+0.3₀	2-M4	－	－	－	－	－
17	17^+0.018₀	5^+0.050_+0.020	19.0^+0.3₀	2-M4	17H	17^+0.018₀	5^+0.030₀	19.3^+0.3₀	2-M4	17J	17^+0.018₀	5^±0.0150	19.3^+0.3₀	2-M4	－	－	－	－	－
18	18^+0.018₀	5^+0.050_+0.020	20.0^+0.3₀	2-M4	18H	18^+0.018₀	6^+0.030₀	20.8^+0.3₀	2-M5	18J	18^+0.018₀	6^±0.0150	20.8^+0.3₀	2-M5	－	－	－	－	－
19	19^+0.021₀	5^+0.050_+0.020	21.0^+0.3₀	2-M4	19H	19^+0.021₀	6^+0.030₀	21.8^+0.3₀	2-M5	19J	19^+0.021₀	6^±0.0150	21.8^+0.3₀	2-M5	19N	19^+0.028_+0.007	6^+0.030₀	21.8^+0.3₀	2-M5
20	20^+0.021₀	5^+0.050_+0.020	22.0^+0.3₀	2-M4	20H	20^+0.021₀	6^+0.030₀	22.8^+0.3₀	2-M5	20J	20^+0.021₀	6^±0.0150	22.8^+0.3₀	2-M5	－	－	－	－	－
22	22^+0.021₀	7^+0.061_+0.025	25.0^+0.3₀	2-M6	22H	22^+0.021₀	6^+0.030₀	24.8^+0.3₀	2-M5	22J	22^+0.021₀	6^±0.0150	24.8^+0.3₀	2-M5	－	－	－	－	－
24	24^+0.021₀	7^+0.061_+0.025	27.0^+0.3₀	2-M6	24H	24^+0.021₀	8^+0.036₀	27.3^+0.3₀	2-M6	24J	24^+0.021₀	8^±0.0180	27.3^+0.3₀	2-M6	24N	24^+0.028_+0.007	8^+0.036₀	27.3^+0.3₀	2-M6
25	25^+0.021₀	7^+0.061_+0.025	28.0^+0.3₀	2-M6	25H	25^+0.021₀	8^+0.036₀	28.3^+0.3₀	2-M6	25J	25^+0.021₀	8^±0.0180	28.3^+0.3₀	2-M6	－	－	－	－	－
28	28^+0.021₀	7^+0.061_+0.025	31.0^+0.3₀	2-M6	28H	28^+0.021₀	8^+0.036₀	31.3^+0.3₀	2-M6	28J	28^+0.021₀	8^±0.0180	31.3^+0.3₀	2-M6	28N	28^+0.028_+0.007	8^+0.036₀	31.3^+0.3₀	2-M6
30	30^+0.021₀	7^+0.061_+0.025	33.0^+0.3₀	2-M6	30H	30^+0.021₀	8^+0.036₀	33.3^+0.3₀	2-M6	30J	30^+0.021₀	8^±0.0180	33.3^+0.3₀	2-M6	－	－	－	－	－
32	32^+0.025₀	10^+0.061_+0.025	35.5^+0.3₀	2-M8	32H	32^+0.025₀	10^+0.036₀	35.3^+0.3₀	2-M8	32J	32^+0.025₀	10^±0.0180	35.3^+0.3₀	2-M8	－	－	－	－	－
35	35^+0.025₀	10^+0.061_+0.025	38.5^+0.3₀	2-M8	35H	35^+0.025₀	10^+0.036₀	38.3^+0.3₀	2-M8	35J	35^+0.025₀	10^±0.0180	38.3^+0.3₀	2-M8	－	－	－	－	－
38	38^+0.025₀	10^+0.061_+0.025	41.5^+0.3₀	2-M8	38H	38^+0.025₀	10^+0.036₀	41.3^+0.3₀	2-M8	38J	38^+0.025₀	10^±0.0180	41.3^+0.3₀	2-M8	38N	38^+0.050_+0.025	10^+0.036₀	41.3^+0.3₀	2-M8
40	40^+0.025₀	10^+0.061_+0.025	43.5^+0.3₀	2-M8	40H	40^+0.025₀	12^+0.043₀	43.3^+0.3₀	2-M8	40J	40^+0.025₀	12^±0.0215	43.3^+0.3₀	2-M8	－	－	－	－	－
42	42^+0.025₀	12^+0.075_+0.032	45.5^+0.3₀	2-M8	42H	42^+0.025₀	12^+0.043₀	45.3^+0.3₀	2-M8	42J	42^+0.025₀	12^±0.0215	45.3^+0.3₀	2-M8	42N	42^+0.050_+0.025	12^+0.043₀	45.3^+0.3₀	2-M8
45	45^+0.025₀	12^+0.075_+0.032	48.5^+0.3₀	2-M8	45H	45^+0.025₀	14^+0.043₀	48.8^+0.3₀	2-M10	45J	45^+0.025₀	14^±0.0215	48.8^+0.3₀	2-M10	－	－	－	－	－
48	48^+0.025₀	12^+0.075_+0.032	51.5^+0.3₀	2-M8	48H	48^+0.025₀	14^+0.043₀	51.8^+0.3₀	2-M10	48J	48^+0.025₀	14^±0.0215	51.8^+0.3₀	2-M10	48N	48^+0.050_+0.025	14^+0.043₀	51.8^+0.3₀	2-M10
50	50^+0.025₀	12^+0.075_+0.032	53.5^+0.3₀	2-M8	50H	50^+0.025₀	14^+0.043₀	53.8^+0.3₀	2-M10	50J	50^+0.025₀	14^±0.0215	53.8^+0.3₀	2-M10	－	－	－	－	－
55	55^+0.030₀	15^+0.075_+0.032	60.0^+0.3₀	2-M10	55H	55^+0.030₀	16^+0.043₀	59.3^+0.3₀	2-M10	55J	55^+0.030₀	16^±0.0215	59.3^+0.3₀	2-M10	55N	55^+0.060_+0.030	16^+0.043₀	59.3^+0.3₀	2-M10
56	56^+0.030₀	15^+0.075_+0.032	61.0^+0.3₀	2-M10	56H	56^+0.030₀	16^+0.043₀	60.3^+0.3₀	2-M10	56J	56^+0.030₀	16^±0.0215	60.3^+0.3₀	2-M10	－	－	－	－	－
60	60^+0.030₀	15^+0.075_+0.032	65.0^+0.3₀	2-M10	60H	60^+0.030₀	18^+0.043₀	64.4^+0.3₀	2-M10	60J	60^+0.030₀	18^±0.0215	64.4^+0.3₀	2-M10	60N	60^+0.060_+0.030	18^+0.043₀	64.4^+0.3₀	2-M10

*All standards starting from ø11 are the same as those in the old JIS standards column.

*For ALS-014, set screw size is M3.

*Positions of set screws and keyways are not on the same plane.

*Set screws are included with the product.

*Positioning precision for keyway milling is determined by sight.

*Contact Miki Pulley when the keyway requires a positioning precision for a particular flange hub.

*Consult the technical documentation at the end of this volume for standard dimensions for bore drilling other than those given here.

[Set screw position]

Unit [mm]

Model	Distance C from edge［mm］
ALS-014	3.5
ALS-020	5
ALS-030	5.5
ALS-040	12.5
ALS-055	15
ALS-065	17.5
ALS-080	22.5
ALS-095	25
ALS-105	28

ALS (Y) Types (clamp types)

[Specifications]

Model	Misalignment			Max. rotation speed ［min^-1］	Static torsional stiffness ［N・m/rad］	Radial stiffness ［N/mm］	Moment of inertia ［kg・m²］	Mass ［kg］
Model	Parallel ［mm］	Angular ［°］	Axial ［mm］	Max. rotation speed ［min^-1］	Static torsional stiffness ［N・m/rad］	Radial stiffness ［N/mm］	Moment of inertia ［kg・m²］	Mass ［kg］
ALS-014-Y	0.10	1	0 to ＋0.6	10000	12	200	1.98×10^-7	0.007
ALS-020-Y	0.15	1	0 to ＋0.8	10000	24	210	1.09×10^-6	0.019
ALS-030-Y	0.15	1	0 to ＋1.0	10000	73	330	6.19×10^-6	0.045
ALS-040-Y	0.10	1	0 to ＋1.2	10000	760	940	4.01×10^-5	0.16
ALS-055-Y	0.15	1	0 to ＋1.4	7000	1400	1160	1.63×10^-4	0.34
ALS-065-Y	0.15	1	0 to ＋1.5	5900	2100	1200	3.69×10^-4	0.54
ALS-080-Y	0.15	1	0 to ＋1.8	4800	4000	1430	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］
Model	Min.	Max.	D	DB	L	L1, L2	E	S	B	G	M	Tightening torque ［N・m］
ALS-014-Y	3	6	14	16.1	22	7	8	1	3.5	4.8	1-M2	0.4
ALS-020-Y	4	8	20	20	30	10	10	1	5	6.5	1-M2.5	1
ALS-030-Y	6	14	30	30	35	11	13	1.5	5.5	10.5	1-M3	1.5
ALS-040-Y	8	20	40	43.2	66	25	16	2	12.5	15	1-M5	7
ALS-055-Y	10	28	55	55	78	30	18	2	10.5	20	1-M6	14
ALS-065-Y	14	35	65	69.8	90	35	20	2.5	11.5	24.5	1-M8	30
ALS-080-Y	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］
Model	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-Y	0.31	0.42	0.54	0.65
ALS-020-Y		1.2	1.6	2.1	2.2	2.6	3
ALS-030-Y				2	2.2	2.7	3.4	4	4.4	4.7	5.4	6	7.4
ALS-040-Y							8	12	14	16	19	20	20	20	20	20	20	20
ALS-055-Y										21	25	28	35	38	41	48	51	54	61	67	70	70
ALS-065-Y													40	44	47	54	58	61	68	75	79	89	96	103	114
ALS-080-Y																	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 bore diameter of ø35, the shaft 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-Y-EL	6.2	3.5	--	2.5	1.2
ALS-020-Y-EL	8.2	6.2	--	3.4	1.4
ALS-030-Y-EL	10.2	8.5	--	4	2.2
ALS-040-Y-EL	12	18	--	4.5	3
ALS-055-Y-EL	14	24	--	5.5	3
ALS-065-Y-EL	15	30	--	5.5	4
ALS-080-Y-EL	18	37	15	7	4
ALS-095-Y-EL	20	43	20	8	4
ALS-105-Y-EL	21	50	20	8.5	4