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

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Part Number
SDWC-39C-5K2X9K3
SDWC-39C-5K2X9.525K2
SDWC-39C-5K2X15.875
SDWC-39C-5K2X15.875K5
SDWC-39C-5K2X16
SDWC-39C-5K2X16K5
SDWC-39C-5K2X16K6
SDWC-39C-5X9K3
SDWC-39C-5X9.525K2
SDWC-39C-5X15.875
SDWC-39C-5X15.875K5
SDWC-39C-5X16
SDWC-39C-5X16K5
SDWC-39C-5X16K6
SDWC-39C-6K2X9K3
SDWC-39C-6K2X9.525K2
SDWC-39C-6K2X15.875
SDWC-39C-6K2X15.875K5
SDWC-39C-6K2X16
SDWC-39C-6K2X16K5
SDWC-39C-6K2X16K6
SDWC-39C-6K3X9K3
SDWC-39C-6K3X9.525K2
SDWC-39C-6K3X15.875
SDWC-39C-6K3X15.875K5
SDWC-39C-6K3X16
SDWC-39C-6K3X16K5
SDWC-39C-6K3X16K6
SDWC-39C-6X9K3
SDWC-39C-6X9.525K2
SDWC-39C-6X15.875
SDWC-39C-6X15.875K5
SDWC-39C-6X16
SDWC-39C-6X16K5
SDWC-39C-6X16K6
SDWC-39C-6.35K2X9K3
SDWC-39C-6.35K2X9.525K2
SDWC-39C-6.35K2X15.875
SDWC-39C-6.35K2X15.875K5
SDWC-39C-6.35K2X16
SDWC-39C-6.35K2X16K5
SDWC-39C-6.35K2X16K6
SDWC-39C-6.35K3X9K3
SDWC-39C-6.35K3X9.525K2
SDWC-39C-6.35K3X15.875
SDWC-39C-6.35K3X15.875K5
SDWC-39C-6.35K3X16
SDWC-39C-6.35K3X16K5
SDWC-39C-6.35K3X16K6
SDWC-39C-6.35X9K3
SDWC-39C-6.35X9.525K2
SDWC-39C-6.35X15.875
SDWC-39C-6.35X15.875K5
SDWC-39C-6.35X16
SDWC-39C-6.35X16K5
SDWC-39C-6.35X16K6
SDWC-39C-7K2X9K3
SDWC-39C-7K2X9.525K2
SDWC-39C-7K2X15.875
SDWC-39C-7K2X15.875K5

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)	Feature	Rated Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	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)
31.36 €	1	11 Days	10	3.01 to 5.00	5	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	5	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	5	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	5	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
29.55 €	1	11 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
32.26 €	1	11 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K6	6	2.8
29.55 €	1	11 Days	10	3.01 to 5.00	5	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K3	3	1.4
29.55 €	1	11 Days	10	3.01 to 5.00	5	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K2	2	1
27.75 €	1	10 Days	10	3.01 to 5.00	5	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	5	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
27.75 €	1	10 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
30.45 €	1	11 Days	10	3.01 to 5.00	5	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K6	6	2.8
31.36 €	1	11 Days	10	3.01 to 5.00	6	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	6	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
29.55 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
32.26 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K6	6	2.8
31.36 €	1	11 Days	10	3.01 to 5.00	6	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	6	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K5	5	2.3
29.55 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K5	5	2.3
32.26 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K6	6	2.8
29.55 €	1	11 Days	10	3.01 to 5.00	6	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K3	3	1.4
29.55 €	1	11 Days	10	3.01 to 5.00	6	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K2	2	1
27.75 €	1	10 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	6	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
27.75 €	1	10 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
30.45 €	1	11 Days	10	3.01 to 5.00	6	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K6	6	2.8
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
32.26 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K6	6	2.8
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K5	5	2.3
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K5	5	2.3
32.26 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K3	3	1.4	K6	6	2.8
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K3	3	1.4
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K2	2	1
27.75 €	1	10 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
27.75 €	1	10 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	No Keyway	-	-	-	-	-	-
29.55 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	-	-	-	K5	5	2.3
30.45 €	1	11 Days	10	3.01 to 5.00	6.35	16	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	One Side Key Way	-	-	-	K6	6	2.8
31.36 €	1	11 Days	10	3.01 to 5.00	7	9	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K3	3	1.4
31.36 €	1	11 Days	10	3.01 to 5.00	7	9.525	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	[Others] Other	±0.4	2.4X10^-5	With Keyway	K2	2	1	K2	2	1
29.55 €	1	11 Days	10	3.01 to 5.00	7	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
31.36 €	1	11 Days	10	3.01 to 5.00	7	15.875	39	45	High accuracy / Backlash 0 / Small / Heat Resistant	5	8000	0.21 to 0.40	0.18	Aluminum	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3

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Basic information

Type	Disc Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor / Stepping Motor
Max. Rotational Speed Range(r/min)	4,001 to 10,000	Body Material	Aluminum	Category	Coupling body
Allowable Angular Misalignment(deg)	1.5	Disc Part Material	Stainless Steel	Operating Temperature Range(°C)	-50::200

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Stock

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Basic Attributes

Rated torque range(N•m)
3.01 to 5.00

5.01 to 10.00

20.01 to 50.00
Clear
Shaft Hole Dia.(Already processed) D1(mm)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

24

25
Clear
Shaft Hole Dia.(Already processed) D2(mm)
5

6

6.35

7

8

9

9.525

10

11

12

12.7

14

15

15.875

16

17

18

19

20

24

25
Clear
Outer Diameter D(mm)
39

42.5

47

54
Clear
Overall Length L(mm)
45

46.2

50

58.6
Clear
Rated Torque(Nm)
5

6

10

22
Clear
Max. Rotational Speed(r/min)
7500

8000
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Allowable Lateral Misalignment Range(mm)
0.21 to 0.40

0.41 to 1.0
Clear
Allowable Lateral Misalignment(mm)
0.18

0.2
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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
Clear
d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10
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
Clear
d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10
Clear
d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
Type
- SDWC-39C
- SDWC-42C
- SDWC-47C
- SDWC-54C
Clear
Feature
High accuracy

Backlash 0

Small

Heat Resistant
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- 2D
- 3D
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