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Jaw Couplings Set Screw Type (Part Numbers)

Economy

Check FAQ of this product (4 items)

MISUMI

MiSUMi Economy

MISUMI

This is an economy item, The price is cheaper than the MISUMI standard product.

RoHS

Part Number

Configured Part Number is shown.

Drawing/Specifications
3D Preview
Part Numbers

Product Overview

Jaw couplings, also known as spider couplings, consist of two metal jaw hubs and one elastomer resin spider.
The resin spider helps absorb the impact of inertial loads during start and stop operations. Easy to assemble and disassemble.
Applicable motor types: Recommended for use with stepper motors and general-purpose motors.

Dimensional Drawing

Material Table

TYPE	Adjusting ring material	Shore hardness A	Color
E-LMPJ	Polyurethane	98	Red
E-LMPY		90	Yellow
E-LMPZ		80	Blue

Part	Material	Surface treatment	Accessories
Hub	Aluminum alloy	Anodized finish	Set screw
Adjustment ring	Polyurethane	—	Set screw

Specification Table

Please follow the selection steps

, choose the type and parameters, and then place your order.

Type (Type·DL)	—	d₁	—	d₂
E-LMPJ14L22 E-LMPJ30L35	— —	5 7	— —	6 8

Type			d₁ and d₂ selection (but d₁ ≤ d₂)																																LF	B	F	C
Type	D	L	d₁ and d₂ selection (but d₁ ≤ d₂)																																LF	B	F	C
E-LMPJ (Adjustment ring: red) E-LMPY (Adjustment ring: yellow) E-LMPZ (Adjustment ring blue)	14	L22	3	4	5	6	6.35	7	8																										7.5	6.2	3.8	0.4
	20	L30	3	4	5	6	6.35	7	8	9	9.525	10																							10.3	8	5.1	0.7
	25	L30			5	6	6.35	7	8	9	9.525	10	11	12	12.7	13	14																		8.85	10.3	4.4	1
	25	L34			5	6	6.35	7	8	9	9.525	10	11	12	12.7	13	14																		10.85	10.3	5.4	1
	30	L35			5	6	6.35	7	8	9	9.525	10	11	12	12.7	13	14	15	16																11.7	10	5.8	0.8
	35	L50							8	9	9.525	10	11	12	12.7	13	14	15	16	17	18	19	20												19.35	9.3	9.6	1
	40	L55							8	9	9.525	10	11	12	12.7	13	14	15	16	17	18	19	20	22											20.6	10.8	10.3	1.5
	40	L66							8	9	9.525	10	11	12	12.7	13	14	15	16	17	18	19	20	22											26.1	10.8	13	1.5
	55	L78												12	12.7	13	14	15	16	17	18	19	20	22	24	25	28	30							30.75	13.9	15.4	1.3
	65	L90															14	15	16	17	18	19	20	22	24	25	28	30	32	35	38				36	15	18	1.5
	80	L114																				19	20	22	24	25	28	30	32	35	38	40	42	45	45.75	18.5	22.4	2
	95	L126	20	22	24	25	28	30	32	35	38	40	42	45	50	55																			51.3	20.4	25.6	1.5
	105	L140	20	22	24	25	28	30	32	35	38	40	42	45	50	55	60																		57.3	20.4	28.6	2.5

Please adjust the shaft insertion amount according to the "LF" dimensions in the catalog.

The red adjustment ring in the center of the standard product is solid.

If a hollow adjustment ring is required, please select [TK] in the additional machining options.

■ Characteristics

Type			Rated torque (N⋅m)			Allowable angular misalignment (°)	Allowable eccentricity (mm)			Static torsional stiffness (N⋅m/rad)			Maximum speed (r/min)	Moment of inertia (kg·m²)	Allowable axial amplitude (mm)	Locking bolt		Weight g
Type	D	L	E-LMPJ	E-LMPY	E-LMPB	Allowable angular misalignment (°)	E-LMPJ	E-LMPY	E-LMPB	E-LMPJ	E-LMPY	E-LMPB	Maximum speed (r/min)	Moment of inertia (kg·m²)	Allowable axial amplitude (mm)	M	Locking torque (N⋅m)	Weight g
E-LMPJ (Adjustment ring: red) E-LMPY (Adjustment ring: yellow) E-LMPZ (Adjustment ring blue)
	14	L22	1.1	0.7	0.4	1	0.02	0.03	0.04	22	14	8	19000	2.0 × 10^-7	±0.6	M3	0.7	7
	20	L30	2.8	1.7	1	1	0.02	0.03	0.04	55	35	20	17000	1.1 × 10^-6	±0.6	M4	1.7	20
	25	L30	6	3.6	2	1	0.02	0.03	0.04	85	54	30	16000	5.2 × 10^-6	±0.6	M4	1.7	32
	25	L34	6	3.6	2	1	0.02	0.03	0.04	85	54	30	16000	5.2 × 10^-6	±0.6	M4	1.7	40
	30	L35	6.5	4	2.3	1	0.02	0.03	0.04	130	82	47	12000	6.2 × 10^-6	±0.6	M4	1.7	46
	35	L50	15	9	5.3	1	0.02	0.03	0.04	550	347	198	10000	8.1 × 10^-6	±0.6	M5	4	90
	40	L55	32	19	11	1	0.02	0.03	0.04	1200	756	432	10000	3.8 × 10^-5	±0.8	M5	4	121
	40	L66	32	19	11	1	0.02	0.03	0.04	1200	756	432	10000	3.9 × 10^-5	±0.8	M5	4	145
	55	L78	46	28	16	1	0.02	0.03	0.04	2500	1575	900	8000	1.6 × 10^-3	±0.8	M6	7	344
	65	L90	109	65	38	1	0.02	0.03	0.04	3800	2394	1368	6000	2.5 × 10^-3	±0.8	M8	15	621
	80	L114	135	81	47	1	0.02	0.03	0.04	4000	2520	1440	4600	2.8 × 10^-3	±1.0	M8	15	1035
	95	L126	250	150	88	1	0.02	0.03	0.04	5000	3150	1800	3800	3.0 × 10^-3	±1.0	M10	29.5	1548
	105	L140	420	252	147	1	0.02	0.03	0.04	5500	3465	1980	3400	3.2 × 10^-3	±1.0	M12	29.5	2180

Shaft bore diameter d₁·d₂	b (keyway width)		t Keyway depth	Key nominal size b × h
Shaft bore diameter d₁·d₂	LK	RK	t Keyway depth	Key nominal size b × h
6 to 8	2	2	1	2 × 2
8 to 10	3	3	1.4	3 × 3
11 to 12	4	4	1.8	4 × 4
12.7 to 17	5	5	2.3	5 × 5
18 to 22	6	6	2.8	6 × 6
23 to 30	8	8	3.3	8 × 7
31 to 38	10	10	3.3	10 × 8
39 to 44	12	12	3.3	12 × 8
45 to 50	14	14	3.8	14 × 9
51 to 58	16	16	4.3	16 × 10
59 to 65	18	18	4.4	18 × 11
66 to 75	20	20	4.9	20 × 12
76 to 85	22	22	5.4	22 × 14

Product Features

The features of jaw couplings are as follows:
Simple structure, no lubrication required, easy maintenance, convenient inspection, maintenance-free, and capable of continuous long-term operation.
Polyurethane elastomer components are wear-resistant and oil-resistant, have high load capacity, long service life, and are safe and reliable.
Provides excellent vibration damping, cushioning, and electrical insulation performance. Offers large axial, radial, and angular compensation capabilities.
Simple structure, small radial dimensions, lightweight, low moment of inertia, suitable for medium and high-speed applications.

Usage Method

■ Installation method
STEP1 Insert the coupling
Make sure the clamping bolts are loosened, then remove any dust, foreign matter, or oil from the shaft and the coupling bore.
Next, when inserting the coupling onto the shaft, be careful not to subject the diaphragm to excessive stress such as compression or tension.
STEP2 Adjustment using a jig
Please use a jig to precisely adjust and secure the concentricity of the left and right hubs of the coupling.
STEP3 Simple eccentricity and angular misalignment check
With the bolts loosened, slide the coupling axially to confirm smooth operation.
Next, rotate the coupling and make sure it operates smoothly.
Eccentricity is not allowed for single-disc couplings, so please position them accurately.
Usage method

STEP4 Installation
Adjust the shaft insertion amount according to the ℓ dimension in the product catalog, and use a torque wrench to tighten to the specified torque.
*If the specified torque cannot be reached in one tightening, please tighten the left and right clamps in a crisscross pattern over 2 or 3 rounds.

Example of Use

Coupling Example of Use 1: Motor × Gearbox	Coupling Example of Use 2: Motor × Ball Screw
Coupling Example of Use 3: Motor × Encoder	Coupling Example of Use 4: Motor × Testing Machine

Precautions

■ Alignment Adjustment
1. Couplings allow for shaft misalignment, transmission of rotational angle, and torque, but if the shaft misalignment exceeds the allowable value, vibration may occur or the service life may be drastically reduced. Be sure to perform alignment adjustment.
2. Shaft misalignment includes eccentricity (parallel error between two shaft centers), angular misalignment (angular error between two shaft centers), and axial displacement (axial movement of the shaft).
Please calibrate and adjust the shafts to ensure that the shaft misalignment is within the allowable values specified in the dimensions and performance tables of each product.
3. The allowable values for shaft misalignment listed in the dimensions and performance tables refer to the case where only one of eccentricity, angular misalignment, or axial displacement occurs individually. When two or more types of shaft misalignment occur simultaneously, the corresponding allowable values should each be halved.
4. Shaft misalignment does not only occur during assembly to the equipment; vibration during operation, thermal expansion, and bearing wear are also major causes. Therefore, it is recommended to set the shaft misalignment to less than one-third of the allowable value.

Application Industries

Electronics and Electrical Appliances	Automotive	Lithium batteries

LCD	Smartphones	Semiconductors

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 60; 90

Part Number
E-LMPJ14L22-[3,4,5,6,6.35,7,8]-[3,4,5,6,6.35,7,8]
E-LMPJ20L30-[4,5,6,6.35,7,8,9,9.525,10]-[4,5,6,6.35,7,8,9,9.525,10]
E-LMPJ25L30-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPJ25L34-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPJ30L35-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]
E-LMPJ35L50-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]
E-LMPJ40L55-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPJ40L66-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPJ55L78-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]
E-LMPJ65L90-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]
E-LMPJ80L114-[19,20,22,24,25,28,30,32,35,38,40,42,45]-[19,20,22,24,25,28,30,32,35,38,40,42,45]
E-LMPJ95L126-[20,22,24,25,28,30,32,35,38,40,42,45,50]-[20,22,24,25,28,30,32,35,38,40,42,45,50]
E-LMPJ105L140-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]
E-LMPY14L22-[3,4,5,6,6.35,7,8]-[3,4,5,6,6.35,7,8]
E-LMPY20L30-[3,4,5,6,6.35,7,8,9,9.525,10]-[3,4,5,6,6.35,7,8,9,9.525,10]
E-LMPY25L30-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPY25L34-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPY30L35-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]
E-LMPY35L50-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]
E-LMPY40L55-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPY40L66-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPY55L78-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]
E-LMPY65L90-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]
E-LMPY80L114-[19,20,22,24,25,28,30,32,35,38,40,42,45]-[19,20,22,24,25,28,30,32,35,38,40,42,45]
E-LMPY95L126-[20,22,24,25,28,30,32,35,38,40,42,45,50,55]-[20,22,24,25,28,30,32,35,38,40,42,45,50,55]
E-LMPY105L140-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]
E-LMPZ14L22-[3,4,5,6,6.35,7,8]-[3,4,5,6,6.35,7,8]
E-LMPZ20L30-[3,4,5,6,6.35,7,8,9,9.525,10]-[3,4,5,6,6.35,7,8,9,9.525,10]
E-LMPZ25L30-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPZ25L34-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14]
E-LMPZ30L35-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]-[5,6,6.35,7,8,9,9.525,10,11,12,12.7,13,14,15,16]
E-LMPZ35L50-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20]
E-LMPZ40L55-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPZ40L66-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]-[8,9,9.525,10,11,12,12.7,13,14,15,16,17,18,19,20,22]
E-LMPZ55L78-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]-[12,12.7,13,14,15,16,17,18,19,20,22,24,25,28,30]
E-LMPZ65L90-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]-[14,15,16,17,18,19,20,22,24,25,28,30,32,35,38]
E-LMPZ80L114-[19,20,22,24,25,28,30,32,35,38,40,42,45]-[19,20,22,24,25,28,30,32,35,38,40,42,45]
E-LMPZ95L126-[20,22,24,25,28,30,32,35,38,40,42,45,50,55]-[20,22,24,25,28,30,32,35,38,40,42,45,50,55]
E-LMPZ105L140-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]-[20,22,24,25,28,30,32,35,38,40,42,45,50,55,60]

Standard Unit Price	Minimum order quantity	Days to Ship	Shaft Bore Dia.1 d1 (or d) (Ø)	Shaft Bore Dia. 2 d2 (or d) (Ø)	O.D. (Ø)	Overall Length (mm)	Operating Temperature (°C)	Holder Material
-	1 Piece(s)	10 Day(s)	3 ～ 8	3 ～ 8	14	22	-20～60	Red
-	1 Piece(s)	10 Day(s)	4 ～ 10	4 ～ 10	20	30	-20～60	Red
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	30	-20～60	Red
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	34	-20～60	Red
-	1 Piece(s)	10 Day(s)	5 ～ 16	5 ～ 16	30	35	-20～60	Red
-	1 Piece(s)	10 Day(s)	8 ～ 20	8 ～ 20	35	50	-20～60	Red
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	55	-20～60	Red
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	66	-20～60	Red
-	1 Piece(s)	10 Day(s)	12 ～ 30	12 ～ 30	55	78	-20～60	Red
-	1 Piece(s)	10 Day(s)	14 ～ 38	14 ～ 38	65	90	-20～60	Red
-	1 Piece(s)	10 Day(s)	19 ～ 45	19 ～ 45	80	114	-20～60	Red
-	1 Piece(s)	10 Day(s)	20 ～ 50	20 ～ 50	95	126	-20～60	Red
-	1 Piece(s)	10 Day(s)	20 ～ 60	20 ～ 60	105	140	-20～60	Red
-	1 Piece(s)	10 Day(s)	3 ～ 8	3 ～ 8	14	22	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	3 ～ 10	3 ～ 10	20	30	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	30	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	34	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	5 ～ 15	5 ～ 15	30	35	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	8 ～ 20	8 ～ 20	35	50	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	55	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	66	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	12 ～ 30	12 ～ 30	55	78	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	14 ～ 32	14 ～ 32	65	90	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	19 ～ 45	19 ～ 45	80	114	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	20 ～ 50	20 ～ 50	95	126	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	20 ～ 50	20 ～ 50	105	140	-20～ 60	Yellow
-	1 Piece(s)	10 Day(s)	3 ～ 8	3 ～ 8	14	22	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	3 ～ 10	3 ～ 10	20	30	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	30	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	5 ～ 14	5 ～ 14	25	34	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	5 ～ 15	5 ～ 15	30	35	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	8 ～ 20	8 ～ 20	35	50	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	55	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	8 ～ 22	8 ～ 22	40	66	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	12 ～ 30	12 ～ 30	55	78	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	14 ～ 32	14 ～ 32	65	90	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	19 ～ 45	19 ～ 45	80	114	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	20 ～ 50	20 ～ 50	95	126	-20～ 60	Blue
-	1 Piece(s)	10 Day(s)	20 ～ 50	20 ～ 50	105	140	-20～ 60	Blue

Basic Information

Series Name	Jaw	Application	Standard / For Servo Motors / Stepping Motor	Features	High Torque Type / Low Moment of Inertia / Vibration Insulation
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Body Material	Aluminum Alloy	Product Category	Coupling Main Body
Buffer Material	Polyurethane	Shaft Tightening Method	Set Screw	Shaft Hole Shape	Standard

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39 Part Numbers

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Specification/Dimensions

Shaft Bore Dia.1 d1 (or d)(Ø)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

12.7

13

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45

50

55

60
Clear
Shaft Bore Dia. 2 d2 (or d)(Ø)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

12.7

13

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45

50

55

60
Clear
O.D.(Ø)
14

20

25

30

35

40

55

65

80

95

105
Clear
Overall Length(mm)
22

30

34

35

50

55

66

78

90

114

126

140
Clear
Holder Material
- Blue
- Red
- Yellow
Clear
type
- E-LMPJ
- E-LMPY
- E-LMPZ
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

10 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What are the characteristics of claw couplings?: Answer: Claw couplings can absorb vibration, compensate radial and angular deviation, and are maintenance free, oil resistant and electrically insulated.
Question: What are the applications of claw couplings?: Answer: Applicable motor types for claw couplings: recommended for stepping motors and universal motors.
Question: How to select according to the purpose, environment, working conditions?: Answer: Please refer to the link page for specific instructions. https://www.misumi.com.cn/special/coupling/select/situation/
Question: What is a coupling?: Answer: A coupling is a part that connects two different rotating bodies (motor shaft, ball screw, etc.) and aims at transmitting torque. The load of assembly adjustment is reduced by absorbing the axis deviation (lateral misalignment, angular misalignment and axial amplitude) between rotating bodies. And in case of accidental overload, the coupling is destroyed and the rotating bodies are disconnected to protect the expensive power part and the whole device.