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Jaw Couplings Stepped Double Disc Clamp Type

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Economy

Check FAQ of this product (5 items)

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Part Number

Configured Part Number is shown.

Drawing/Specifications
3D Preview
Part Numbers

Dimensional Drawing

Outline Dimension Drawing (unit: mm)
Dimension diagram

■ Material specifications

Part	Material	Surface treatment	Accessories
Body	Aluminum alloy	Anodized finish	Hex socket bolt
Disc · Pin	Stainless steel	—	Hex socket bolt

Specification Table

Please follow the selection steps

, choose the type and parameters, and then place your order. Please specify the shaft bore diameter within the range of d₁ ≤ d₂.

Type (Type·D)	—	d₁	—	d₂
E-LDEN13-D39	—	8	—	10

Type		d₁ and d₂ selection (but d₁ ≤ d₂)																											L	⌀N	LF	LP	S	M	Locking torque N.m
Type	D	d₁ and d₂ selection (but d₁ ≤ d₂)																											L	⌀N	LF	LP	S	M	Locking torque N.m
E-LDEN13-D
	34		5	6	6.35	7	8	9	9.525	10	11	12																	38	21.6	12.25	6.5	3.5	M3	1.5
	39			6			8	9	9.525	10	11	12	12.7	14	15														47	25	15	8	4.5	M4	3.5
	44			6			8	9	9.525	10	11	12	12.7	14	15	16	17	18											47	29.6	15	8	4.5	M4	3.5
	50						8	9	9.525	10	11	12		14	15	16	17	18											53	35	18.6	6.2	4.8	M5	8
	56						8	9	9.525	10	11	12		14	15	16		18	19	20	22	24							57	38	19.85	6.7	5.3	M5	8
	68													14	15	16	17	18	19	20	22	24	25	28	30				68	46	23.35	8.7	6.3	M6	13
	82																17	18	19	20	22	24	25	28	30	32	35	38	87	56	30	11.3	8	M8	28

■ Characteristics

Type		Permissible torque (N⋅m)	Permissible eccentricity (mm)	Permissible angular misalignment (°)	Permissible axial deviation (mm)	Permissible speed (RPM)	Static torsional stiffness (N.m/rad)	Moment of inertia (N.m)	Weight (g)
Type	D	Permissible torque (N⋅m)	Permissible eccentricity (mm)	Permissible angular misalignment (°)	Permissible axial deviation (mm)	Permissible speed (RPM)	Static torsional stiffness (N.m/rad)	Moment of inertia (N.m)	Weight (g)
E-LDEN13-D	34	2	0.12	1.5	±0.18	10000	1300	6.95 × 10^-6	30
	39	4.5	0.15		±0.23		2200	7.5 × 10^-6	85
	44	6.75	0.17		±0.27		2800	9.1 × 10^-6	107
	50	15			±0.30		3500	3.1 × 10^-5	151
	56	20			±0.36		4000	8.7 × 10^-5	196
	68	50	0.18		±0.40	9000	6200	2.3 × 10^-4	374
	82	75	0.18		±0.50	8000	8300	2.1 × 10^-4	645

Eccentricity, angular misalignment, and axial amplitude are all individual allowable values. If multiple types of deviations occur at the same time, the allowable value for each deviation is reduced to half of the original value.

■ Additional machining

Alterations	Keyway additional machining
Spec.	Specification method LK4 　　　　 RK4
Code	LK (left shaft)	RK (right shaft)

Shaft hole diameter d₁ ·d₂	b (Keyway width)		t Keyway depth	Key nominal size b × h
Shaft hole diameter d₁ ·d₂	LK	RK	t Keyway depth	Key nominal size b × h
6–8	2	2	1	2 × 2
8–10	3	3	1.4	3 × 3
11–12	4	4	1.8	4 × 4
12.1–17	5	5	2.3	5 × 5
18–22	6	6	2.8	6 × 6
23–30	8	8	3.3	8 × 7
31–38	10	10	3.3	10 × 8

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; 45; 60

Part Number
E-LDEN13-D34-[5,6,6.35,7,8,9,9.525,10,11]-[5,6,6.35,7,8,9,9.525,10,11]
E-LDEN13-D39-[6,8,9,9.525,10,11,12,12.7,14,15]-[6,8,9,9.525,10,11,12,12.7,14,15]
E-LDEN13-D44-[6,8,9,9.525,10,11,12,12.7,14,15]-[6,8,9,9.525,10,11,12,12.7,14,15]
E-LDEN13-D50-[8,9,9.525,10,11,12,14,15,16,17,18]-[8,9,9.525,10,11,12,14,15,16,17,18]
E-LDEN13-D56-[8,9,9.525,10,11,12,14,15,16,18,19,20,22,24]-[8,9,9.525,10,11,12,14,15,16,18,19,20,22,24]
E-LDEN13-D68-[14,15,16,17,18,19,20,22,24,25,28,30]-[14,15,16,17,18,19,20,22,24,25,28,30]
E-LDEN13-D82-[17,18,19,20,22,24,25,28,30,32,35,38]-[17,18,19,20,22,24,25,28,30,32,35,38]

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)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Shaft Bore Dia. 2 d2 (or d)(Ø)	Shaft Bore Dia. 1 d1 (or d)(Ø)
-	1 Piece(s)	10 Day(s)	5 ～ 11	5 ～ 11	34	38	0.12	10000	±0.18	6.95 × 10^-6	5 ～ 11	5 ～ 11
-	1 Piece(s)	10 Day(s)	6 ～ 15	6 ～ 15	39	47	0.15	10000	±0.23	7.5×10^-6	6 ～ 15	6 ～ 15
-	1 Piece(s)	10 Day(s)	6 ～ 15	6 ～ 15	44	47	0.17	10000	±0.27	9.1 × 10^-6	6 ～ 15	6 ～ 15
-	1 Piece(s)	10 Day(s)	8 ～ 18	8 ～ 18	50	53	1.17	10000	±0.30	3.1 × 10^-5	8 ～ 18	8 ～ 18
-	1 Piece(s)	10 Day(s)	8 ～ 24	8 ～ 24	56	57	0.17	10000	±0.36	8.7 × 10^-5	8 ～ 24	8 ～ 24
-	1 Piece(s)	12 Day(s)	14 ～ 30	14 ～ 30	68	68	0.18	9000	±0.40	2.3 × 10^-5	14 ～ 30	14 ～ 30
-	1 Piece(s)	10 Day(s)	17 ～ 38	17 ～ 38	82	87	0.18	8000	±0.50	2.1 × 10^-5	17 ～ 38	17 ～ 38

Basic Information

Series Name	Disc	Application	For Servo Motors / Stepping Motor	Features	High Torsional Rigidity / High Torque Type
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Max. Rotational Speed Range(r/min)	4001~10000	Body Material	Aluminum Alloy
Allowable Angular Misalignment(deg)	1.5	Product Category	Coupling Main Body	Allowable Lateral Misalignment Range(mm)	0.02~0.2
Disc Material	Stainless Steel	Single/Double	Double

Configure

7 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia.1 d1 (or d)(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38
Clear
Shaft Bore Dia. 2 d2 (or d)(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38
Clear
O.D.(Ø)
34

39

44

50

56

68

82
Clear
Overall Length(mm)
38

47

53

57

68

87
Clear
Allowable Lateral Misalignment(mm)
0.12

0.15

0.17

0.18

1.17
Clear
Max. Rotational Speed(r/min)
8000

9000

10000
Clear
Shaft Bore Dia. 2 d2 (or d)(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38
Clear
Shaft Bore Dia. 1 d1 (or d)(Ø)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38
Clear
type
- E-LDEN13
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

10 Day(s) or Less

12 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 is a coupling?: Answer: A coupling is a component used to connect two different rotating bodies (such as motor shafts or ball screws) for the purpose of transmitting torque. By absorbing shaft misalignment (eccentricity, angular misalignment, axial displacement) between rotating bodies, it reduces the load during assembly and adjustment. In the event of accidental overload, the coupling will break and disconnect the rotating bodies to protect expensive power components and the overall equipment.
Question: Is there a selection guide provided for the bore sizes at both ends of the product?: Answer: d1, d2 same diameter = d1 + 0.5
d1, d2 different diameters = larger bore diameter + 0.5
Question: How does the product achieve suitability for eccentricity and angular misalignment in its design?: Answer: The leaf spring formed by the slit allows for eccentricity, angular misalignment, and end play.
Question: Which mechanical components is the product suitable for?: Answer: With zero backlash, it is suitable for applications requiring rotational accuracy.
Question: What are the requirements for the product's application in terms of eccentricity and angular misalignment?: Answer: Eccentricity, angular misalignment, and axial amplitude are all individual allowable values. If multiple types of deviations occur at the same time, the allowable value for each deviation is reduced to half of the original value.

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Jaw Couplings Stepped Double Disc Clamp Type

Part Number

Basic Information

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Specification/Dimensions

Shaft Bore Dia.1 d1 (or d)(Ø)

Shaft Bore Dia. 2 d2 (or d)(Ø)

O.D.(Ø)

Overall Length(mm)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Shaft Bore Dia. 2 d2 (or d)(Ø)

Shaft Bore Dia. 1 d1 (or d)(Ø)

type

CAD

Days to Ship

Specify Alterations

Frequently asked question (FAQ)

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