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Flexible Couplings - Bellows, MM series. (Part Numbers)

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; 60; 90

Part Number
MM-12K
MM-12K 6-6
MM-12K 6-7
MM-12K 6-8
MM-12K 6-9
MM-12K 6-10
MM-12K 6-11
MM-12K 6-12H
MM-12K 7-7
MM-12K 7-8
MM-12K 7-9
MM-12K 7-10
MM-12K 7-11
MM-12K 7-12H
MM-12K 8-8
MM-12K 8-9
MM-12K 8-10
MM-12K 8-11
MM-12K 8-12H
MM-12K 9-9
MM-12K 9-10
MM-12K 9-11
MM-12K 9-12H
MM-12K 10-10
MM-12K 10-11
MM-12K 10-12H
MM-12K 11-11
MM-12K 11-12H
MM-12K 12H-12H

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	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	20 Days or more	10	5.01~10.00	6	6	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	6	7	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	6	8	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	6	9	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	8 Days or more	10	5.01~10.00	6	10	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	6	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	6	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	7	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	8	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	9	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	10	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	7	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	8	8	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	8	9	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	8	10	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	8	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	8	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	9	9	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	9	10	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	9	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	9	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	8 Days or more	10	5.01~10.00	10	10	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	10	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	10	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	11	11	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Round hole + tap hole included	d1, d2: old JIS (2-type)
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	11	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + tap hole (d1 keyway not included)	d1: old JIS (2-type) / d2: new JIS
1 Piece(s)	Available	20 Days or more	10	5.01~10.00	12	12	26	50	10001~78000	High torsional rigidity / High Torque	Steel	10	12000	0.21~0.40	0.4	0~+1.0	1.43×10^-5	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS

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

29 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

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
Feature
High torsional rigidity

High Torque

Shaft hole Unfinished
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
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
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
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
CAD
- 2D
Clear

Days to Ship

All

8 Days or Less

9 Days or Less

11 Days or Less

20 Days or Less

27 Days or Less

44 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. (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Hole diameter d1(mm)

Hole diameter d2(mm)

Feature

Shaft Hole Specifications

Shaft hole finished

Keyway Standard

type

Allowable Torque Range(N•m)

O.D.(Ø)

Full Length(mm)

Max. Rotational Speed Range(r/min)

Body Material

Allowable Torque(N•m)

Maximum Rotation Speed(r/min)

Allowable Lateral Misalignment Range(mm)

Allowable Lateral Misalignment(mm)

CAD