(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
Instead, please kindly use other browsers like Google Chrome, Microsoft Edge or Mozilla Firefox.

7 Million Products, 2,000 Brands.
50,000 Stock items for Same Day Ship Out.

All Categories

Search by Application

inCAD Library

Brands

Brand List

Webcode Seach | Series: #CODE

Keyword suggestions

Part number suggestions

Discontinued Products

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Please be informed that there will be no shipment from Japan during the upcoming year-end and New Year holiday period. However, Singapore’s stock items are available during these periods. Click here for details.

How can we improve?

How can we improve?

Feedback

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

Thank you for your time.
Your feedback is essential for our continuous improvement
Privacy Policy

Thank you for your cooperation.

Thank you for your time.
Your feedback is essential for our continuous improvement
Please use the inquiry form.

Privacy Policy

Bowman Flexible MM (Part Numbers)

MIKI PULLEY

· 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

(i)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.

Part Number

Configured Part Number is shown.

: 30; 60; 90

Part Number
MM-28K 17H-19H
MM-28K 17H-20H
MM-28K 17H-22H
MM-28K 17H-24H
MM-28K 17H-25H
MM-28K 17H-28H
MM-28K 18H-18H
MM-28K 18H-19H
MM-28K 18H-20H
MM-28K 18H-22H
MM-28K 18H-24H
MM-28K 18H-25H
MM-28K 18H-28H
MM-28K 19H-19H
MM-28K 19H-20H
MM-28K 19H-22H
MM-28K 19H-24H
MM-28K 19H-25H
MM-28K 19H-28H
MM-28K 20H-20H
MM-28K 20H-22H
MM-28K 20H-24H
MM-28K 20H-25H
MM-28K 20H-28H
MM-28K 22H-22H
MM-28K 22H-24H
MM-28K 22H-25H
MM-28K 22H-28H
MM-28K 24H-24H
MM-28K 24H-25H
MM-28K 24H-28H
MM-28K 25H-25H
MM-28K 25H-28H
MM-28K 28H-28H

Standard Unit Price	Minimum order quantity	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
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	19	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	20	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	22	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	17	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	18	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	19	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	20	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	22	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	18	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	19	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	20	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	22	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	19	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	20	20	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	20	22	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	20	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	20	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	20	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	22	22	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	22	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	22	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	22	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	24	24	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	24	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	24	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	25	25	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	25	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, d2: new JIS
SGD 331.24	1 Piece(s)	16 Day(s) or more	10	28	28	55	100	50.01~100.00	High torsional rigidity / High Torque	4001~10000	Steel	90	1	0.41~1.0	6000	0~+2.0	5.77×10^-4	Shaft hole processed products	Keyway + Tap hole	d1, 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

Configure

124 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

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
Features
High torsional rigidity

High Torque

Shaft hole Unfinished
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
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
CAD
- 2D
Clear

Days to Ship

All

4 Day(s) or Less

6 Day(s) or Less

7 Day(s) or Less

16 Day(s) or Less

22 Day(s) or Less

23 Day(s) or Less
Clear

Specify Alterations

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

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations): Tel：(65) 6733 7211 / FAX：(65) 6733 0211; 9:00am - 6:00pm (Monday - Friday); Technical Inquiry

All Categories

Categories

Search by Application

Brands

Message from MISUMI

My Favorites

Settings

How can we improve?

Bowman Flexible MM (Part Numbers)

(i)Caution

Basic Information

Configure

Specification/Dimensions

Hole diameter d1(Ø)

Hole diameter d2(Ø)

O.D.(Ø)

Full Length(mm)

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)

Shaft Hole Specifications

Shaft hole finished

Keyway Standard

type

Allowable Torque Range(N•m)

CAD

Days to Ship

Specify Alterations

Tech Support

Payment Method more

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9:00 am – 6:00 pm (Mon – Fri), 9:00 am – 3 pm (Sat)