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Flexible Couplings - Bellows, MM series.

Volume Discount

Miki Pulley

Flexible Couplings - Bellows, MM series. Use is for servomotor, stepper motor. Selectable material is steel or stainless steel. Operating temperature is from -30 °C to 100 °C.

Part Number

Configured Part Number is shown.

Product TOP

: 30; 45; 60

Part Number
MM-6K-S
MM-8K
MM-8K-S
MM-12K
MM-12K-S
MM-14K
MM-16K
MM-19K
MM-20K
MM-20K-S
MM-24K
MM-25K
MM-25K-S
MM-28K
MM-30K
MM-35K

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)	Max. Rotational Speed Range (r/min)	Feature	Body Material	Allowable Torque (N•m)	Maximum Rotation Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Axial Misalignment (±) (mm)	Moment of Inertia (kg･m²)	Shaft Hole Specifications	Shaft hole finished	Keyway Standard
1 Piece(s)	Available	11 Days or more	10	1.01~3.00	-	-	17	25	10001~78000	High torsional rigidity / High Torque / Shaft hole Unfinished	Stainless Steel	2.5	20000	0.21~0.40	0.3	0~+0.6	7.65×10^-7	-	-	-
1 Piece(s)	Available	8 Days or more	10	3.01~5.00	-	-	21	35	10001~78000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	5	15000	0.21~0.40	0.3	0~+0.8	4.08×10^-6	-	-	-
1 Piece(s)	Available	11 Days or more	10	3.01~5.00	-	-	21	35	10001~78000	High torsional rigidity / High Torque / Shaft hole Unfinished	Stainless Steel	5	15000	0.21~0.40	0.3	0~+0.8	4.08×10^-6	-	-	-
1 Piece(s)	Available	11 Days or more	10	5.01~10.00	-	-	26	50	10001~78000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	-	-	-
1 Piece(s)	Available	8 Days or more	10	5.01~10.00	-	-	26	50	10001~78000	High torsional rigidity / High Torque / Shaft hole Unfinished	Stainless Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	-	-	-
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	-	-	30	50	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	10	10000	0.41~1.0	0.5	0~+1.0	2.47×10^-5	-	-	-
1 Piece(s)	Available	20 Days or more	10	10.01~20.00	-	-	35	65	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	20	9000	0.41~1.0	0.6	0~+1.2	6.12×10^-5	-	-	-
1 Piece(s)	Available	11 Days or more	10	10.01~20.00	-	-	38	65	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	20	8000	0.41~1.0	0.7	0~+1.2	8.42×10^-5	-	-	-
1 Piece(s)	Available	11 Days or more	10	20.01~50.00	-	-	45	80	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	40	7000	0.41~1.0	0.7	0~+1.6	1.99 x 10^-4	-	-	-
1 Piece(s)	Available	11 Days or more	10	20.01~50.00	-	-	45	80	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Stainless Steel	40	7000	0.41~1.0	0.7	0~+1.6	1.99 x 10^-4	-	-	-
1 Piece(s)	Available	11 Days or more	10	20.01~50.00	-	-	48	80	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	40	7000	0.41~1.0	0.9	0~+1.6	2.63×10^-4	-	-	-
1 Piece(s)	Available	11 Days or more	10	50.01~100.00	-	-	55	100	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	90	6000	0.41~1.0	0.9	0~+2.0	5.66×10^-4	-	-	-
1 Piece(s)	Available	11 Days or more	10	50.01~100.00	-	-	55	100	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Stainless Steel	90	6000	0.41~1.0	0.9	0~+2.0	5.66×10^-4	-	-	-
1 Piece(s)	Available	10 Days or more	10	50.01~100.00	-	-	55	100	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	90	6000	0.41~1.0	1	0~+2.0	5.77×10^-4	-	-	-
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	-	-	65	125	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	150	5000	1.1~3.0	1.1	0~+2.5	1.39×10^-3	-	-	-
1 Piece(s)	Available	11 Days or more	10	100～Less than 500	-	-	75	150	4001~10000	High torsional rigidity / High Torque / Shaft hole Unfinished	Steel	220	4500	1.1~3.0	1.2	0~+3.2	3.01×10^-3	-	-	-

Basic Information

Type	Bellows Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Servo Motor / Stepping Motor
Category	Coupling body	Allowable Angular Misalignment(deg)	3	Operating Temperature Range(℃)	-30::100

Configure

16 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Allowable Torque Range(N•m)
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
Hole diameter d1(mm)
4

5

6

7

8

9

10

11

12

14

15

16

17

18

19

20

22

24

25

28

30

32

35
Clear
Hole diameter d2(mm)
4

5

6

7

8

9

10

11

12

14

15

16

17

18

19

20

22

24

25

28

30

32

35
Clear
O.D.(Ø)
16

17

21

26

30

35

38

45

48

55

65

75
Clear
Full Length(mm)
20

25

35

50

65

80

100

125

150
Clear
Max. Rotational Speed Range(r/min)
4001~10000

10001~78000
Clear
Feature
High torsional rigidity

High Torque

Shaft hole Unfinished
Clear
Body Material
Stainless Steel

Steel
Clear
Allowable Torque(N•m)
2.5

5

10

20

40

90

150

220
Clear
Maximum Rotation Speed(r/min)
4500

5000

6000

7000

8000

9000

10000

12000

15000

20000
Clear
Allowable Lateral Misalignment Range(mm)
0.21~0.40

0.41~1.0

1.1~3.0
Clear
Allowable Lateral Misalignment(mm)
0.3

0.4

0.5

0.6

0.7

0.9

1

1.1

1.2
Clear
Shaft Hole Specifications
- Shaft hole processed products
Clear
Shaft hole finished
- Keyway + tap hole (d1 keyway not included)
- Keyway + Tap hole
- Round hole + tap hole included
Clear
Keyway Standard
d1, d2: new JIS

d1, d2: old JIS (2-type)

d1: old JIS (2-type) / d2: new JIS
Clear
type
- MM
Clear
CAD
- 2D
Clear

Days to Ship

All

8 Days or Less

10 Days or Less

11 Days or Less

20 Days or Less

26 Days or Less

27 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 - Bellows, MM series.

Basic Information

Configure

Specification/Dimensions

Allowable Torque Range(N•m)

Hole diameter d1(mm)

Hole diameter d2(mm)

O.D.(Ø)

Full Length(mm)

Max. Rotational Speed Range(r/min)

Feature

Body Material

Allowable Torque(N•m)

Maximum Rotation Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

Shaft Hole Specifications

Shaft hole finished

Keyway Standard

type

CAD