AL Models

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Features of AL Models

These couplings have simpler designs that sandwich a rubber buffer (nitrile rubber) between two hubs. The hub is lightweight, being made of aluminum alloy.Mounting on a shaft is easy. Simply hold a straight-edge to the hub periphery to center it. One source of appeal is that its simple construction means lower cost.

AL Models Specifications

AL Models

AL Models

[Specifications]

Model	Torque		Misalignment			Max. rotation speed ［min^-1］	Moment of inertia ［kg・m²］	Mass ［kg］
Model	Nominal ［N・m］	Max. ［N・m］	Parallel ［mm］	Angular ［°］	Axial ［mm］	Max. rotation speed ［min^-1］	Moment of inertia ［kg・m²］	Mass ［kg］
AL-035	0.5	1.5	0.1	0.5	＋0.3	18000	0.38×10^-6	0.01
AL-050	1.5	4.5	0.2	1.0	±0.5	12000	5.10×10^-6	0.06
AL-070	3	9	0.2	1.0	±0.5	9000	1.79×10^-5	0.12
AL-075	5	15	0.2	1.0	±0.5	7000	5.36×10^-5	0.21
AL-090	8	24	0.3	1.0	±0.5	6000	1.15×10^-4	0.31
AL-095	10	30	0.3	1.0	±0.5	6000	1.40×10^-4	0.36
AL-100	25	75	0.3	1.0	±0.7	5000	4.34×10^-4	0.78
AL-110	50	150	0.3	1.0	±0.7	4000	1.43×10^-3	1.56

*Max. rotation speed does not take into account dynamic balance or mounting misalignment.

*The moment of inertia and mass are measured for the pilot bore.

[Dimensions]

couplings

Unit ［mm］

Model	d1, d2			D	L	L1	L2
Model	Pilot bore	Min.	Max.	D	L	L1	L2
AL-035	4	4	8	16.1	20.5	6.5	7.5^*1
AL-050	5	6	16	27	43.2	15.5	12.2
AL-070	5	6	20	35	49.2	18.5	12.2
AL-075	5	7	26	45	54.4	21.0	12.4
AL-090	5	9	28	54	55.0	21.0	13.0
AL-095	5	9	28	55	61.0	24.0	13.0
AL-100	5	11	36	66	88.0	35.0	18.0
AL-110	8	11	48	85	110.0	44.0	22.0

*"Pilot bore" refers to center processing. Minimums and maximums for d1 and d2 are values at the MIKI PULLEY standard hole-drilling standards.

*The value marked *1 leaves a 1 mm space for the thickness of the spider body.

[Dimensions]

Spider

Unit ［mm］

Coupling Model	Spider Model	L2	R	K
AL-035	L-035	6.5	―	―
AL-050	L-050	12.2	―	―
AL-070	L-070	12.2	―	―
AL-075	L-075	12.4	20	6.0
AL-090	L-090/095	13.0	22	6.3
AL-095	L-090/095	13.0	22	6.3
AL-100	L-100	18.0	26	6.0
AL-110	L-110	22.0	30	6.0

[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	-
6	6^+0.018₀	-	-	2-M4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
7	7^+0.022₀	-	-	2-M4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
8	8^+0.022₀	-	-	2-M4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
9	9^+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