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Miniature Bellows Coupling MB Series (Part Numbers)

Volume Discount

[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

Part Number
MB-L-41-12X14
MB-L-41-12X15
MB-L-41-12X16
MB-L-41-12X17
MB-L-41-12X18
MB-L-41-12X19
MB-L-41-12X20
MB-L-41-13X13
MB-L-41-13X14
MB-L-41-13X15
MB-L-41-13X16
MB-L-41-13X17
MB-L-41-13X18
MB-L-41-13X19
MB-L-41-13X20
MB-L-41-14X14
MB-L-41-14X15
MB-L-41-14X16
MB-L-41-14X17
MB-L-41-14X18
MB-L-41-14X19
MB-L-41-14X20
MB-L-41-15X15
MB-L-41-15X16
MB-L-41-15X17
MB-L-41-15X18
MB-L-41-15X19
MB-L-41-15X20
MB-L-41-16X16
MB-L-41-16X17
MB-L-41-16X18
MB-L-41-16X19
MB-L-41-16X20
MB-L-41-17X17
MB-L-41-17X18
MB-L-41-17X19
MB-L-41-17X20
MB-L-41-18X18
MB-L-41-18X19
MB-L-41-18X20
MB-L-41-19X19
MB-L-41-19X20
MB-L-41-20X20
MB-M-19-3X3
MB-M-19-3X4
MB-M-19-3X5
MB-M-19-3X6
MB-M-19-3X7
MB-M-19-3X8
MB-M-19-4X4
MB-M-19-4X5
MB-M-19-4X6
MB-M-19-4X7
MB-M-19-4X8
MB-M-19-5X5
MB-M-19-5X6
MB-M-19-5X7
MB-M-19-5X8
MB-M-19-6X6
MB-M-19-6X7
MB-M-19-6X8
MB-M-19-7X7
MB-M-19-7X8
MB-M-19-8X8
MB-M-25-4X4
MB-M-25-4X5
MB-M-25-4X6
MB-M-25-4X7
MB-M-25-4X8
MB-M-25-4X9
MB-M-25-4X10
MB-M-25-4X11
MB-M-25-4X12
MB-M-25-5X5
MB-M-25-5X6
MB-M-25-5X7
MB-M-25-5X8
MB-M-25-5X9
MB-M-25-5X10
MB-M-25-5X11
MB-M-25-5X12
MB-M-25-6X6
MB-M-25-6X7
MB-M-25-6X8
MB-M-25-6X9
MB-M-25-6X10
MB-M-25-6X11
MB-M-25-6X12
MB-M-25-7X7
MB-M-25-7X8

Standard Unit Price	Minimum order quantity	Volume Discount	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 731.09	1 Piece(s)	Available	19 Day(s) or more	10	12	14	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	12	15	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 846.98	1 Piece(s)	Available	19 Day(s) or more	10	12	16	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	12	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	12	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 846.98	1 Piece(s)	Available	19 Day(s) or more	10	12	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	12	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	13	13	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	14	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	15	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	16	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	13	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	14	14	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	15	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	16	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	14	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	15	15	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	15	16	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	15	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	15	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	15	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	15	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	16	16	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	16	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	16	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	16	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	16	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	17	17	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	17	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	17	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	17	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	18	18	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	18	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	18	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	19	19	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 731.09	1 Piece(s)	Available	19 Day(s) or more	10	19	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 719.72	1 Piece(s)	Available	19 Day(s) or more	10	20	20	41.0	70.7	10.01~20.00	12.5	1.8	0.5	0.41~1.0	2477X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	3	3	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	3	4	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 654.93	1 Piece(s)	Available	12 Day(s) or more	10	3	5	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	3	6	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	3	7	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	3	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	4	4	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	4	5	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	4	6	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	4	7	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	4	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	5	5	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	5	6	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	5	7	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	5	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	6	6	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 654.93	1 Piece(s)	Available	12 Day(s) or more	10	6	7	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	6	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	7	7	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 563.59	1 Piece(s)	Available	12 Day(s) or more	10	7	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 552.27	1 Piece(s)	Available	12 Day(s) or more	10	8	8	20	45.2	0.05~1.00	1	6	0.5	0.41~1.0	100X10-8
MYR 625.58	1 Piece(s)	Available	12 Day(s) or more	10	4	4	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	5	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	6	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	7	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	8	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	9	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	10	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	11	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	4	12	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 625.58	1 Piece(s)	Available	12 Day(s) or more	10	5	5	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	6	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	7	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	8	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	9	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	10	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	11	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	5	12	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 625.58	1 Piece(s)	Available	12 Day(s) or more	10	6	6	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	7	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	8	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	9	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	10	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	11	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	6	12	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 727.21	1 Piece(s)	Available	12 Day(s) or more	10	7	7	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8
MYR 636.90	1 Piece(s)	Available	12 Day(s) or more	10	7	8	26	54.3	1.01~3.00	1.6	6	0.5	0.41~1.0	400X10-8

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

24 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)

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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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