Due to an increase in demand, the lead time of some of the electrical items from our eCatalogue has increased abnormally and may cause delays in delivery or order suspension. We apologize for the inconvenience and appreciate your kind understanding. Once the supply will get normalized, we will update the same.

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MM-12K 8-12H

Features type Hole diameter d1 Hole diameter d2 O.D. Full Length Allowable Torque Range Max. Rotational Speed Range Body Material Allowable Torque Allowable Lateral Misalignment Allowable Lateral Misalignment Range Maximum Rotation Speed Shaft Hole Specifications Shaft hole finished Keyway Standard CAD Days to Ship

Specification/Dimensions

Features
High torsional rigidity

High Torque

Shaft hole Unfinished
Clear
type
- MM
Clear
Hole diameter d1(Ø)
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(Ø)
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
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
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
Allowable Lateral Misalignment(mm)
0.3

0.4

0.5

0.6

0.7

0.9

1

1.1

1.2
Clear
Allowable Lateral Misalignment Range(mm)
0.21~0.40

0.41~1.0

1.1~3.0
Clear
Maximum Rotation Speed(r/min)
4500

5000

6000

7000

8000

9000

10000

12000

15000

20000
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
CAD
- 2D
Clear

Days to Ship

All

5 Day(s) or Less

6 Day(s) or Less

8 Day(s) or Less

17 Day(s) or Less

24 Day(s) or Less

41 Day(s) or Less
Clear

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Bowman Flexible MM (MM-12K 8-12H)

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Order Qty :
Total Price :

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Days to ship :

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Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Product Description

· MM Models - Metal Coil Spring Couplings BAUMANNFLEX.
· MM Models is a standard coupling type.
· Pilot bore/added work ranges: φ3 ～ 35 mm.
· Hub material: steel SUM24L and stainless steel SUS303.
· Metal coil spring material: Piano wire and stainless steel.
· Hexagon head set screw material: Alloy steel for machine structural use Surface finishing: Black coating.
· MM Models Allowable Angular misalignment 3 degree.
· Application: Vacuum equipment, medical equipment, printing machine.
· MM Models Max. nominal torque: 220 [N.m].
· MM Models Operating temperature: BAUMANNFLEX: -30 to 100 °C

: 30; 45; 60

Part Number
MM-12K 8-12H

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Hole diameter d1 (Ø)	Hole diameter d2 (Ø)	O.D. (Ø)	Full Length (mm)	Allowable Torque Range (N•m)	Features	Max. Rotational Speed Range (r/min)	Body Material	Allowable Torque (N•m)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Maximum Rotation Speed (r/min)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	Shaft Hole Specifications	Shaft hole finished	Keyway Standard
	₹ 10,344.91	1 Piece(s)		17 Day(s) or more	10	8	12	26	50	5.01~10.00	High torsional rigidity / High Torque	10001~78000	Steel	10	0.4	0.21~0.40	12000	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

Basic Information

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

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

ものづくりの、明日を支える。MISUMI-VONA 生産材コマース

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