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Flexible Couplings - Servo Flex.

Volume Discount

Miki Pulley

Uses lightweight, high-strength aluminum alloy for clamp hub. Extremely high torsional rigidity supporting high responsiveness.

Part Number

Configured Part Number is shown.

Product TOP

: 30; 45; 60

Part Number
SFC-090DA2-25B-25B
SFC-090DA2-25B-28B
SFC-090DA2-25B-30B
SFC-090DA2-25B-32B
SFC-090DA2-25B-35B
SFC-090DA2-25B-38B
SFC-090DA2-25B-40B
SFC-090DA2-25B-42B
SFC-090DA2-25B-45B
SFC-090DA2-28B-28B
SFC-090DA2-28B-30B
SFC-090DA2-28B-32B
SFC-090DA2-28B-35B
SFC-090DA2-28B-38B
SFC-090DA2-28B-40B
SFC-090DA2-28B-42B
SFC-090DA2-28B-45B
SFC-090DA2-30B-30B
SFC-090DA2-30B-32B
SFC-090DA2-30B-35B
SFC-090DA2-30B-38B
SFC-090DA2-30B-40B
SFC-090DA2-30B-42B
SFC-090DA2-30B-45B
SFC-090DA2-32B-32B
SFC-090DA2-32B-35B
SFC-090DA2-32B-38B
SFC-090DA2-32B-40B
SFC-090DA2-32B-42B
SFC-090DA2-32B-45B
SFC-090DA2-35B-35B
SFC-090DA2-35B-38B
SFC-090DA2-35B-40B
SFC-090DA2-35B-42B
SFC-090DA2-35B-45B
SFC-090DA2-38B-38B
SFC-090DA2-38B-40B
SFC-090DA2-38B-42B
SFC-090DA2-38B-45B
SFC-090DA2-40B-40B
SFC-090DA2-40B-42B
SFC-090DA2-40B-45B
SFC-090SA2-25B-25B
SFC-090SA2-25B-28B
SFC-090SA2-25B-30B
SFC-090SA2-25B-32B
SFC-090SA2-25B-35B
SFC-090SA2-25B-38B
SFC-090SA2-25B-40B
SFC-090SA2-25B-42B
SFC-090SA2-25B-45B
SFC-090SA2-28B-28B
SFC-090SA2-28B-30B
SFC-090SA2-28B-32B
SFC-090SA2-28B-35B
SFC-090SA2-28B-38B
SFC-090SA2-28B-40B
SFC-090SA2-28B-42B
SFC-090SA2-28B-45B
SFC-090SA2-30B-30B

Minimum order quantity	Volume Discount	Days to Ship	RoHS	Allowable Torque Range (N•m)	Hole diameter d1 (mm)	Hole diameter d2 (mm)	O.D. (Ø)	Full Length (mm)	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Axial Misalignment (±) (mm)	Moment of Inertia (kg･m²)	The size of the tapered adapter (mm)	Keyway Standard	Disc Specifications	Allowable Angular Misalignment Detail (deg)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	25	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	28	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	30	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	32	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	35	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	28	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	30	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	32	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	35	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	30	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	32	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	35	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	32	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	35	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	32	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	35	35	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	35	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	35	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	35	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	35	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	38	38	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	38	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	38	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	38	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	40	40	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	40	42	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	40	45	94	98.6	180	2	0.41~1.0	0.52	0.65	1798 x 10^-6	-	-	Double	1 (one side)
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	25	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	28	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	30	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	32	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	35	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	38	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	40	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	42	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	25	45	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	28	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	30	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	32	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	35	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	38	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	40	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	42	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	28	45	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-
1 Piece(s)	Available	16 Days or more	10	100～Less than 500	30	30	94	68.3	180	1	0.02~0.2	0.02	0.65	1236×10^-6	-	-	Single	-

Basic Information

Type	Type of Flat Springs	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Servo Motor / Stepping Motor / Encoder
Max. Rotational Speed Range(r/min)	4001~10000	Feature	High torsional rigidity / High Torque / High accuracy / High durability / Backlash 0 / Low Inertia Moment / Small	Body Material	Aluminum
Category	Coupling body	Maximum Rotation Speed(r/min)	10000	Disc Part Material	Stainless Steel
Operating Temperature Range(℃)	-30::100

Configure

126 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Hole diameter d1(mm)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45
Clear
Hole diameter d2(mm)
3

4

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

22

24

25

28

30

32

35

38

40

42

45
Clear
O.D.(Ø)
12

16

19

26

29

34

39

44

56

63

68

82

94

104
Clear
Full Length(mm)
15.7

16.7

19.35

23.15

23.2

23.4

25.9

27.3

32.3

32.8

34

37.8

43.4

48

48.4

50.6

53.4

53.6

56.6

59.8

63.4

64.8

66.6

68

68.3

68.7

69.6

69.8

73.3

74.4

79.8

84.7

89.3

98

98.6

101.6
Clear
Allowable Torque(N•m)
0.25

0.6

1

2

2.1

2.8

3.4

4

5

6.6

8

9

10

18

20

22

25

40

50

51

60

100

180

226

250
Clear
Allowable Angular Misalignment(deg)
0.5

1

2
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40

0.41~1.0
Clear
Allowable Lateral Misalignment(mm)
0.02

0.03

0.05

0.11

0.15

0.18

0.24

0.28

0.31

0.34

0.52

0.55
Clear
The size of the tapered adapter(mm)
- 11
- 14
- 16
Clear
Keyway Standard
H9 grade with d1 keyway

Js9 grade with d1 keyway

H9 grade with d1 keyway+H9 grade with d2 keyway

H9 grade with d1 keyway+Js9 grade with d2 keyway

Js9 grade with d1 keyway+H9 grade with d2 keyway

Js9 grade with d1 keyway+Js9 grade with d2 keyway

H9 grade with d2 keyway

Js9 grade with d2 keyway

-
Clear
Disc Specifications
- Double
- Single
Clear
type
- SFC-DA2
- SFC-DA2-BC
- SFC-SA2
- SFC-SA2-BC
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00

50.01~100.00

100～Less than 500
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

8 Days or Less

9 Days or Less

11 Days or Less

13 Days or Less

16 Days or Less

19 Days or Less

20 Days or Less
Clear

Specify Alterations

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

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Flexible Couplings - Servo Flex.

Basic Information

Configure

Specification/Dimensions

Hole diameter d1(mm)

Hole diameter d2(mm)

O.D.(Ø)

Full Length(mm)

Allowable Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

The size of the tapered adapter(mm)

Keyway Standard

Disc Specifications

type

Allowable Torque Range(N•m)

CAD