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Part Number Complete

SDWC-39C-7K2X12K4

Specification/Dimensions

Features
High accuracy

Backlash 0

Small

Heat Resistant
Clear
type
- SDWC-39C
- SDWC-42C
- SDWC-47C
- SDWC-54C
Clear
Shaft Hole Dia.(Already processed) d1(Ø)
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(Ø)
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(Ø)
39

42.5

47

54
Clear
Full length L(mm)
44.8

46

50

58
Clear
Rated torque range(N•m)
3.01~5.00

5.01~10.00

20.01~50.00
Clear
Rated Torque(N•m)
5

6

10

22
Clear
Allowable Lateral Misalignment(mm)
0.3

0.4
Clear
Allowable Lateral Misalignment Range(mm)
0.21~0.40

0.41~1.0
Clear
Max. Rotational Speed(r/min)
6000

7000

8000
Clear
Buffer Material
- Aluminum
- Others
  - Others
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
CAD
- 2D
- 3D
Clear

Days to Ship

All

5 Day(s) or Less

7 Day(s) or Less

10 Day(s) or Less

11 Day(s) or Less

12 Day(s) or Less
Clear

Specify Alterations

Disc Coupling Clamping Type (Double Disc) SDWC (SDWC-39C-7K2X12K4)

Brand :

Order Qty :
Total Price :

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Days to ship :

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Product Description

Disc type coupling with low moment of inertia and stable even at high speed.
[Features]
·It has a shape with high torsional rigidity and is excellent in oil and chemical resistance.
·Semi-permanent life with zero backlash.
·Absorbs declination, eccentricity, and end play misalignment.
・ The characteristics of forward/reverse rotation are the same and no repair is required.
[Applications]
·It can be used for servo motors, stepping motors, precision motors, etc.
·Ideal for high-precision encoders, dynamometer drivers, high-speed, high-precision position control systems, centrifuges, copiers, etc.

Product TOP

: 30; 45; 60

Part Number
SDWC-39C-7K2X12K4

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Shaft Hole Dia.(Already processed) d1 (Ø)	Shaft Hole Dia.(Already processed) d2 (Ø)	Outer Diameter D (Ø)	Full length L (mm)	Rated torque range (N•m)	Features	Rated Torque (N•m)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Max. Rotational Speed (r/min)	Buffer 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)
	₹ 2,522.20	1 Piece(s)		11 Day(s) or more	10	7	12	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K4	4	1.8

Basic Information

Type	Disc Type	Application	Servo Motor / Stepping Motor	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment
Max. Rotational Speed Range(r/min)	4001~10000	Body Material	Aluminum	Allowable Angular Misalignment(deg)	3
Product Category	Coupling body	Disc Material	Stainless Steel	Operating Temperature Range(°C)	-50::200

Please check the type/dimensions/specifications of the part SDWC-39C-7K2X12K4 in the Disc Coupling Clamping Type (Double Disc) SDWC series.

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

Product variants

Part Number
SDWC-39C-10K3X11
SDWC-39C-10K3X11K4
SDWC-39C-10K3X12
SDWC-39C-7K2X12K5
SDWC-39C-7K2X14
SDWC-39C-7K2X14K5

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Hole Dia.(Already processed) d1 (Ø)	Shaft Hole Dia.(Already processed) d2 (Ø)	Outer Diameter D (Ø)	Full length L (mm)	Rated torque range (N•m)	Features	Rated Torque (N•m)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Max. Rotational Speed (r/min)	Buffer 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)
₹ 2,384.24	1 Piece(s)	11 Day(s) or more	10	10	11	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
₹ 2,522.20	1 Piece(s)	11 Day(s) or more	10	10	11	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	Both sides keyway	K3	3	1.4	K4	4	1.8
₹ 2,384.24	1 Piece(s)	11 Day(s) or more	10	10	12	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	One Side Key Way	K3	3	1.4	-	-	-
₹ 2,522.20	1 Piece(s)	11 Day(s) or more	10	7	12	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3
₹ 2,384.24	1 Piece(s)	11 Day(s) or more	10	7	14	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	One Side Key Way	K2	2	1	-	-	-
₹ 2,522.20	1 Piece(s)	11 Day(s) or more	10	7	14	39	44.8	3.01~5.00	High accuracy / Backlash 0 / Small	5	0.3	0.21~0.40	8000	[Others] Others	0.4	2.4X10^-5	Both sides keyway	K2	2	1	K5	5	2.3

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