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MFB Flexible Coupling - Bellows Type

NABEYA BI-TECH

[Features]
· Isokinetic
· Backlash "0"
· The all stainless type is also standardized.
· Bellows allow eccentricity, declination and end play.
· Constant speed rotation even if there is misalignment.
· There are two types of bellows, phosphor bronze and stainless steel.
[Use]
· For encoders, etc.

(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; 45; 60

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5
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Part Number
MFB-12-3-3
MFB-12-3-4
MFB-12-3-5
MFB-12-3-6
MFB-12-3-6.35-BT
MFB-12-4-4
MFB-12-4-5
MFB-12-4-6
MFB-12-4-6.35-BT
MFB-12-5-5
MFB-12-5-6
MFB-12-5-6.35-BT
MFB-12-6-6
MFB-12-6-6.35-BT
MFB-12-6.35-BT-6.35-BT
MFB-12C-4-4
MFB-12C-4-5
MFB-12C-5-5
MFB-16-4-4
MFB-16-4-5
MFB-16-4-6
MFB-16-4-7-BT
MFB-16-4-8
MFB-16-5-5
MFB-16-5-6
MFB-16-5-7-BT
MFB-16-5-8
MFB-16-6-6
MFB-16-6-7-BT
MFB-16-6-8
MFB-16-7-BT-7-BT
MFB-16-7-BT-8
MFB-16-8-8
MFB-16C-5-5
MFB-16C-5-6
MFB-16C-5-6.35-BT
MFB-16C-6-6
MFB-16C-6-6.35-BT
MFB-16C-6.35-BT-6.35-BT
MFB-20-5-5
MFB-20-5-6
MFB-20-5-7-BT
MFB-20-5-8
MFB-20-5-9-BT
MFB-20-5-9-BT-KT
MFB-20-5-10
MFB-20-5-10-KT
MFB-20-6-6
MFB-20-6-7-BT
MFB-20-6-8
MFB-20-6-9-BT
MFB-20-6-9-BT-KT
MFB-20-6-10
MFB-20-6-10-KT
MFB-20-7-BT-7-BT
MFB-20-7-BT-8
MFB-20-7-BT-9-BT
MFB-20-7-BT-9-BT-KT
MFB-20-7-BT-10
MFB-20-7-BT-10-KT

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Shaft Bore Dia. (machined) D2 (Ø)	O.D. (Ø)	Full Length (mm)	Allowable Torque Range (N•m)	Body Material	Normal Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Bellows Material	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Construction	Additional Work	Keyway
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	3	3	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	3	4	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	3	5	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	3	6	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 70.09	1 Piece(s)	7 Day(s) or more	10	3	6.35	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	4	4	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	4	5	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	4	6	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 70.09	1 Piece(s)	7 Day(s) or more	10	4	6.35	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	5	5	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 26.70	1 Piece(s)	7 Day(s) or more	10	5	6	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 70.09	1 Piece(s)	7 Day(s) or more	10	5	6.35	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
SGD 29.21	1 Piece(s)	7 Day(s) or more	10	6	6	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Standard Shaft Bore	NA
SGD 70.09	1 Piece(s)	7 Day(s) or more	10	6	6.35	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
SGD 109.22	1 Piece(s)	7 Day(s) or more	10	6.35	6.35	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.0×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
SGD 53.13	1 Piece(s)	7 Day(s) or more	10	4	4	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.7×10^-8	Clamping Type	Standard Shaft Bore	NA
SGD 53.13	1 Piece(s)	7 Day(s) or more	10	4	5	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.7×10^-8	Clamping Type	Standard Shaft Bore	NA
SGD 50.42	1 Piece(s)	7 Day(s) or more	10	5	5	12	23.5	0.05~1.00	[Aluminum] A2017	0.3	1.5	0.1	52000	C5191	+0.4/-1.2	9.7×10^-8	Clamping Type	Standard Shaft Bore	NA
SGD 30.78	1 Piece(s)	7 Day(s) or more	10	4	4	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 33.43	1 Piece(s)	7 Day(s) or more	10	4	5	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 30.78	1 Piece(s)	7 Day(s) or more	10	4	6	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 73.46	1 Piece(s)	7 Day(s) or more	10	4	7	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 30.78	1 Piece(s)	7 Day(s) or more	10	4	8	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 33.43	1 Piece(s)	7 Day(s) or more	10	5	5	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 33.43	1 Piece(s)	7 Day(s) or more	10	5	6	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 73.46	1 Piece(s)	7 Day(s) or more	10	5	7	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 30.78	1 Piece(s)	7 Day(s) or more	10	5	8	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 33.43	1 Piece(s)	4 Day(s) or more	10	6	6	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 73.46	1 Piece(s)	7 Day(s) or more	10	6	7	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 33.43	1 Piece(s)	7 Day(s) or more	10	6	8	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 113.86	1 Piece(s)	7 Day(s) or more	10	7	7	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 73.46	1 Piece(s)	7 Day(s) or more	10	7	8	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 33.43	1 Piece(s)	4 Day(s) or more	10	8	8	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.5×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 57.50	1 Piece(s)	7 Day(s) or more	10	5	5	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Standard Shaft Bore	NA
SGD 57.50	1 Piece(s)	7 Day(s) or more	10	5	6	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Standard Shaft Bore	NA
SGD 92.42	1 Piece(s)	7 Day(s) or more	10	5	6.35	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Additional Work Shaft Hole	NA
SGD 54.84	1 Piece(s)	7 Day(s) or more	10	6	6	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Standard Shaft Bore	NA
SGD 91.70	1 Piece(s)	7 Day(s) or more	10	6	6.35	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Additional Work Shaft Hole	NA
SGD 140.97	1 Piece(s)	7 Day(s) or more	10	6.35	6.35	16	26.5	0.05~1.00	[Aluminum] A2017	0.5	1.5	0.1	39000	C5191	+0.4/-1.2	3.7×10^-7	Clamping Type	Additional Work Shaft Hole	NA
SGD 34.72	1 Piece(s)	7 Day(s) or more	10	5	5	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 34.72	1 Piece(s)	7 Day(s) or more	10	5	6	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	5	7	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 34.72	1 Piece(s)	7 Day(s) or more	10	5	8	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	5	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 118.01	1 Piece(s)	7 Day(s) or more	10	5	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	D2 Hole
SGD 34.72	1 Piece(s)	7 Day(s) or more	10	5	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	5	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	D2 Hole
SGD 37.34	1 Piece(s)	7 Day(s) or more	10	6	6	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	6	7	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 34.72	1 Piece(s)	7 Day(s) or more	10	6	8	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	6	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 118.01	1 Piece(s)	7 Day(s) or more	10	6	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	D2 Hole
SGD 37.34	1 Piece(s)	7 Day(s) or more	10	6	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	NA
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	6	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Standard Shaft Bore	D2 Hole
SGD 118.01	1 Piece(s)	7 Day(s) or more	10	7	7	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 71.88	1 Piece(s)	7 Day(s) or more	10	7	8	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 118.01	1 Piece(s)	7 Day(s) or more	10	7	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 158.32	1 Piece(s)	7 Day(s) or more	10	7	9	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	D2 Hole
SGD 77.92	1 Piece(s)	7 Day(s) or more	10	7	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
SGD 118.01	1 Piece(s)	7 Day(s) or more	10	7	10	20	33	0.05~1.00	[Aluminum] A2017	0.8	2	0.15	31000	C5191	+0.6/-1.8	9.9×10^-7	Set Screw Type	Additional Work Shaft Hole	D2 Hole

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Basic Information

Type	Bellows Type	Application	Stepping Motor	Features	Backlash 0
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Maximum Range of Rotation Number(r/min)	10001~78000	Product Category	Coupling body
Allowable Lateral Misalignment Range(mm)	0.02~0.2

Configure

443 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

6.35

7

8

9

10

11

12

13

14

15

16
Clear
Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

6.35

7

8

9

10

11

12

13

14

15

16
Clear
O.D.(Ø)
12

16

20

25

32
Clear
Full Length(mm)
23.5

26.5

33

36.5

42
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00
Clear
Body Material
- Stainless Steel
  - SUS303
- Aluminum
  - A2017
Clear
Normal Torque(N•m)
0.3

0.5

0.8

1

1.3

1.5

2

3
Clear
Allowable Angular Misalignment(deg)
1.5

2
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
Clear
Max. Rotational Speed(r/min)
19000

25000

31000

39000

52000
Clear
Construction
- Clamping Type
- Set Screw Type
Clear
Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
Clear
Keyway
- D1 Hole
- D2 Hole
- Both Sides
- NA
Clear
type
- MFB
- MFBS
Clear
Bellows Material
- Stainless Steel
  - SUS316L
- C5191
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

4 Day(s) or Less

7 Day(s) or Less

11 Day(s) or Less

22 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

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MFB Flexible Coupling - Bellows Type

(i)Caution

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

O.D.(Ø)

Full Length(mm)

Allowable Torque Range(N•m)

Body Material

Normal Torque(N•m)

Allowable Angular Misalignment(deg)

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