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Miniature Bellows Coupling MB Series (Part Numbers)

[Features]
・Zero backlash
・High rigidity, flexibly supports eccentricity, declination, and axial displacement
・Supports high-speed rotation (usually 10,000 RPM)
・Movable parts None
・Low moment of inertia
・Inner diameter Φ3 to Φ20
・Torque 1.0Nm to 12.5Nm
[Applications]
・Places that require high speed rotation
・High resolution, position Places where reproducibility is required - High-speed servo motors, pulse motors, scanners, positioning devices, meter measurement valves, 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.

Product TOP

: 30; 60; 90

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Part Number
MB-L-19-3X3
MB-L-19-3X4
MB-L-19-3X5
MB-L-19-3X6
MB-L-19-3X7
MB-L-19-3X8
MB-L-19-4X4
MB-L-19-4X5
MB-L-19-4X6
MB-L-19-4X7
MB-L-19-4X8
MB-L-19-5X5
MB-L-19-5X6
MB-L-19-5X7
MB-L-19-5X8
MB-L-19-6X6
MB-L-19-6X7
MB-L-19-6X8
MB-L-19-7X7
MB-L-19-7X8
MB-L-19-8X8
MB-L-25-4X4
MB-L-25-4X5
MB-L-25-4X6
MB-L-25-4X7
MB-L-25-4X8
MB-L-25-4X9
MB-L-25-4X10
MB-L-25-4X11
MB-L-25-4X12
MB-L-25-5X5
MB-L-25-5X6
MB-L-25-5X7
MB-L-25-5X8
MB-L-25-5X9
MB-L-25-5X10
MB-L-25-5X11
MB-L-25-5X12
MB-L-25-6X6
MB-L-25-6X7
MB-L-25-6X8
MB-L-25-6X9
MB-L-25-6X10
MB-L-25-6X11
MB-L-25-6X12
MB-L-25-7X7
MB-L-25-7X8
MB-L-25-7X9
MB-L-25-7X10
MB-L-25-7X11
MB-L-25-7X12
MB-L-25-8X8
MB-L-25-8X9
MB-L-25-8X10
MB-L-25-8X11
MB-L-25-8X12
MB-L-25-9X9
MB-L-25-9X10
MB-L-25-9X11
MB-L-25-9X12
MB-L-25-10X10
MB-L-25-10X11
MB-L-25-10X12
MB-L-25-11X11
MB-L-25-11X12
MB-L-25-12X12
MB-L-33-6X6
MB-L-33-6X7
MB-L-33-6X8
MB-L-33-6X9
MB-L-33-6X10
MB-L-33-6X11
MB-L-33-6X12
MB-L-33-6X13
MB-L-33-6X14
MB-L-33-6X15
MB-L-33-6X16
MB-L-33-7X7
MB-L-33-7X8
MB-L-33-7X9
MB-L-33-7X10
MB-L-33-7X11
MB-L-33-7X12
MB-L-33-7X13
MB-L-33-7X14
MB-L-33-7X15
MB-L-33-7X16
MB-L-33-8X8
MB-L-33-8X9
MB-L-33-8X10

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Shaft Bore Dia. (machined) D2 (Ø)	Outer Dia. A (Ø)	Overall Length W (mm)	Allowable Torque Range (N•m)	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Moment of Inertia (kg・m2)
MYR 535.84	1 Piece(s)	12 Day(s) or more	10	3	3	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	3	4	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	3	5	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 629.33	1 Piece(s)	12 Day(s) or more	10	3	6	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	3	7	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	3	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 535.84	1 Piece(s)	12 Day(s) or more	10	4	4	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	4	5	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	4	6	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	4	7	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	4	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 535.84	1 Piece(s)	12 Day(s) or more	10	5	5	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	5	6	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 535.84	1 Piece(s)	12 Day(s) or more	10	5	7	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	5	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 535.84	1 Piece(s)	12 Day(s) or more	10	6	6	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	6	7	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	6	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	7	7	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 547.14	1 Piece(s)	12 Day(s) or more	10	7	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 613.96	1 Piece(s)	12 Day(s) or more	10	8	8	20	43.6	1.01~3.00	2.5	1.3	0.2	0.02~0.2	90X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	4	4	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	5	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 701.46	1 Piece(s)	12 Day(s) or more	10	4	6	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	7	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	8	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	4	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	5	5	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	6	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	5	7	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	8	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	5	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 686.13	1 Piece(s)	12 Day(s) or more	10	6	6	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	7	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	8	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	6	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	7	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	8	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	7	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	8	8	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	8	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	8	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	8	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 701.46	1 Piece(s)	12 Day(s) or more	10	8	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	9	9	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	9	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	9	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	9	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	10	10	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	10	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	10	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	11	11	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 615.50	1 Piece(s)	12 Day(s) or more	10	11	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 604.20	1 Piece(s)	12 Day(s) or more	10	12	12	26	53.2	3.01~5.00	4	1.3	0.2	0.02~0.2	370X10-8
MYR 661.52	1 Piece(s)	12 Day(s) or more	10	6	6	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	7	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	8	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	9	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	10	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	11	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	12	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	13	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	14	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	15	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	6	16	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	7	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	8	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	9	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	10	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 763.71	1 Piece(s)	12 Day(s) or more	10	7	11	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	12	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 763.71	1 Piece(s)	12 Day(s) or more	10	7	13	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	14	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	15	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	7	16	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 661.52	1 Piece(s)	12 Day(s) or more	10	8	8	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	8	9	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8
MYR 678.49	1 Piece(s)	12 Day(s) or more	10	8	10	34	56.6	5.01~10.00	9.4	1.5	0.3	0.21~0.40	988X10-8

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Basic Information

Type	Bellows Type	Application	Standard / Servo Motor / Stepping Motor / Encoder	Features	High torsional rigidity / High accuracy / Backlash 0 / Low Inertia Moment / Small
Allowable Misalignment	Angular Misalignment / Eccentricity	Max. Rotational Speed Range(r/min)	4001~10000	Body Material	A2011T3 and A2011T8
Max. Rotational Speed(r/min)	10000	Bellows Material	Stainless steel / steel	Shaft fixing method (END1 side)	Clamp
Shaft fixing method (END2 side)	Clamp

Configure

669 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20
Clear
Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20
Clear
Outer Dia. A(Ø)
20

26

34

41.0
Clear
Overall Length W(mm)
31

37.5

40

43.6

45.2

49.7

53.2

54.3

56.6

57

70.7

71.4
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00
Clear
Allowable Torque(N•m)
1

1.6

2

2.5

3.2

3.8

4

5

7.5

9.4

10

12.5
Clear
Allowable Angular Misalignment(deg)
1.3

1.5

1.8

2

2.5

6

8
Clear
Allowable Lateral Misalignment(mm)
0.06

0.1

0.15

0.2

0.3

0.5

1

1.2
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40

0.41~1.0

1.1~3.0
Clear
type
- MB-L
- MB-M
- MB-S
Clear

Days to Ship

All

12 Day(s) or Less

15 Day(s) or Less

19 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 .

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Miniature Bellows Coupling MB Series (Part Numbers)

(i)Caution

Basic Information

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Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

Outer Dia. A(Ø)

Overall Length W(mm)

Allowable Torque Range(N•m)

Allowable Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Allowable Lateral Misalignment Range(mm)

type

Days to Ship

Specify Alterations

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