Servo couplings / hub clamping, feather key / 2 discs: steel / body: aluminium / SDWA / SUNGIL

Promotional pricing ends 30/11/2024

Structure that adjusts axis misalignment by deflection of a thin metal disc. Large torque transmission, even at high-speeds. Simple structure that is easy to remove. Clamping type product. SUNGIL The company is a Korean manufacturer established in 1991. Korean coupling market share is 70%, with over 3,000 customers. No1 maker. Rich selection, and short lead-times.

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Part Number
SDWA-16C-4.5X5
SDWA-16C-4.5X5K2
SDWA-16C-5K2X5
SDWA-16C-5K2X5K2
SDWA-16C-5X5
SDWA-16C-5X5K2
SDWA-22C-6K2X6.35
SDWA-22C-6K2X6.35K2
SDWA-22C-6X6.35
SDWA-22C-6X6.35K2
SDWA-22C-6.35K2X6.35
SDWA-22C-6.35K2X6.35K2
SDWA-22C-6.35K2X7
SDWA-22C-6.35K2X7K2
SDWA-22C-6.35X6.35
SDWA-22C-6.35X6.35K2
SDWA-22C-6.35X7
SDWA-22C-6.35X7K2
SDWA-26C-4X4.5
SDWA-26C-4.5X4.5
SDWA-26C-4.5X5
SDWA-26C-4.5X5K2
SDWA-39C-15K5X15.875
SDWA-39C-15K5X15.875K5
SDWA-39C-15X15.875
SDWA-39C-15X15.875K5
SDWA-39C-15.875K5X15.875
SDWA-39C-15.875K5X15.875K5
SDWA-39C-15.875K5X16
SDWA-39C-15.875K5X16K5
SDWA-39C-15.875X15.875
SDWA-39C-15.875X15.875K5
SDWA-39C-15.875X16
SDWA-39C-15.875X16K5

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Rated torque range (N•m)	Shaft Hole Dia.(Already processed) D1 (mm)	Shaft Hole Dia.(Already processed) D2 (mm)	Outer Diameter D (mm)	Overall Length L (mm)	Max. Rotational Speed Range (r/min)	Feature	Rated Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Buffer Part Material	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	With or without Keyway	d1 Keyway symbol	d1keyway width b1 (mm)	d1Keyway height t1 (mm)	d2 Keyway symbol	d2 keyway width b2 (mm)	d2 keyway height t2 (mm)
26.95 €	1	10 Days	10	1.01 to 3.00	4.5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	No Keyway	-	-	-	-	-	-
28.76 €	1	11 Days	10	1.01 to 3.00	4.5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	One Side Key Way	-	-	-	K2	2	1
28.76 €	1	11 Days	10	1.01 to 3.00	5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	One Side Key Way	K2	2	1	-	-	-
30.56 €	1	11 Days	10	1.01 to 3.00	5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	Both sides keyway	K2	2	1	K2	2	1
26.95 €	1	10 Days	10	1.01 to 3.00	5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	No Keyway	-	-	-	-	-	-
28.76 €	1	11 Days	10	1.01 to 3.00	5	5	16	21.2	10,001 to 78,000	High accuracy / Backlash 0 / Small / Heat Resistant	0.5	14000	0.41 to 1.0	0.05	1	Aluminum	0.2	3.3X10^-7	One Side Key Way	-	-	-	K2	2	1
21.49 €	1	11 Days	10	1.01 to 3.00	6	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	K2	2	1	-	-	-
23.31 €	1	11 Days	10	1.01 to 3.00	6	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	Both sides keyway	K2	2	1	K2	2	1
19.69 €	1	7 Days	10	1.01 to 3.00	6	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	No Keyway	-	-	-	-	-	-
21.49 €	1	11 Days	10	1.01 to 3.00	6	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	-	-	-	K2	2	1
21.49 €	1	11 Days	10	1.01 to 3.00	6.35	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	K2	2	1	-	-	-
23.31 €	1	11 Days	10	1.01 to 3.00	6.35	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	Both sides keyway	K2	2	1	K2	2	1
21.49 €	1	11 Days	10	1.01 to 3.00	6.35	7	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	K2	2	1	-	-	-
23.31 €	1	11 Days	10	1.01 to 3.00	6.35	7	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	Both sides keyway	K2	2	1	K2	2	1
19.69 €	1	10 Days	10	1.01 to 3.00	6.35	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	No Keyway	-	-	-	-	-	-
21.49 €	1	11 Days	10	1.01 to 3.00	6.35	6.35	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	-	-	-	K2	2	1
19.69 €	1	10 Days	10	1.01 to 3.00	6.35	7	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	No Keyway	-	-	-	-	-	-
21.49 €	1	11 Days	10	1.01 to 3.00	6.35	7	22.2	25	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.1	10000	0.41 to 1.0	0.12	1.5	Aluminum	0.2	1.3X10^-6	One Side Key Way	-	-	-	K2	2	1
21.04 €	1	10 Days	10	1.01 to 3.00	4	4.5	26.6	32.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.5	10000	0.41 to 1.0	0.15	1.5	Aluminum	0.3	3.4X10^-6	No Keyway	-	-	-	-	-	-
21.04 €	1	10 Days	10	1.01 to 3.00	4.5	4.5	26.6	32.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.5	10000	0.41 to 1.0	0.15	1.5	Aluminum	0.3	3.4X10^-6	No Keyway	-	-	-	-	-	-
21.04 €	1	10 Days	10	1.01 to 3.00	4.5	5	26.6	32.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.5	10000	0.41 to 1.0	0.15	1.5	Aluminum	0.3	3.4X10^-6	No Keyway	-	-	-	-	-	-
22.86 €	1	11 Days	10	1.01 to 3.00	4.5	5	26.6	32.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	1.5	10000	0.41 to 1.0	0.15	1.5	Aluminum	0.3	3.4X10^-6	One Side Key Way	-	-	-	K2	2	1
29.43 €	1	11 Days	10	3.01 to 5.00	15	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
31.25 €	1	11 Days	10	3.01 to 5.00	15	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K5	5	2.3
27.62 €	1	10 Days	10	3.01 to 5.00	15	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
29.43 €	1	11 Days	10	3.01 to 5.00	15	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	-	-	-	K5	5	2.3
29.43 €	1	11 Days	10	3.01 to 5.00	15.875	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
31.25 €	1	11 Days	10	3.01 to 5.00	15.875	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K5	5	2.3
29.43 €	1	11 Days	10	3.01 to 5.00	15.875	16	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	K5	5	2.3	-	-	-
31.25 €	1	11 Days	10	3.01 to 5.00	15.875	16	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	Both sides keyway	K5	5	2.3	K5	5	2.3
27.62 €	1	10 Days	10	3.01 to 5.00	15.875	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
29.43 €	1	11 Days	10	3.01 to 5.00	15.875	15.875	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	-	-	-	K5	5	2.3
27.62 €	1	10 Days	10	3.01 to 5.00	15.875	16	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	No Keyway	-	-	-	-	-	-
29.43 €	1	11 Days	10	3.01 to 5.00	15.875	16	39	39.5	4,001 to 10,000	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.41 to 1.0	0.18	1.5	Aluminum	0.4	2.1X10^-5	One Side Key Way	-	-	-	K5	5	2.3

Basic information

Type	Disc Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor / Stepping Motor
Body Material	Aluminum	Category	Coupling body	Disc Part Material	Stainless Steel
Operating Temperature Range(°C)	-50::200

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Basic Attributes

Rated torque range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

20.01 to 50.00
Clear
Shaft Hole Dia.(Already processed) D1(mm)
3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

21

22

24

25

26

28

30
Clear
Shaft Hole Dia.(Already processed) D2(mm)
3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

21

22

24

25

26

28

30
Clear
Outer Diameter D(mm)
16

19

22.2

26.6

31.8

39

42.5

47

54

64
Clear
Overall Length L(mm)
21.2

23.3

25

32.5

33.5

39.5

39.7

45.6

60.6

74.4
Clear
Max. Rotational Speed Range(r/min)
4,001 to 10,000

10,001 to 78,000
Clear
Feature
High accuracy

Backlash 0

Small

Heat Resistant
Clear
Rated Torque(Nm)
0.5

0.9

1.1

1.5

3

5

6

10

22

31
Clear
Max. Rotational Speed(r/min)
6500

7500

8000

9000

10000

14000
Clear
Allowable Lateral Misalignment(mm)
0.05

0.12

0.15

0.18

0.2

0.3
Clear
Allowable Angular Misalignment(deg)
1

1.5
Clear
Buffer Part Material
- Aluminum
- Others
  - Other
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
- With Keyway
Clear
d1 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10

K12
Clear
d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10

12
Clear
d1Keyway height t1(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
d2 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10

K12
Clear
d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10

12
Clear
d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
Type
- SDWA-16C
- SDWA-19C
- SDWA-22C
- SDWA-26C
- SDWA-31C
- SDWA-39C
- SDWA-42C
- SDWA-47C
- SDWA-54C
- SDWA-64C
Clear
Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40

0.41 to 1.0
Clear
Filter by CAD data type
- 2D
- 3D
Clear