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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

Part Number
MB-S-33-8X15
MB-S-33-8X16
MB-S-33-9X9
MB-S-33-9X10
MB-S-33-9X11
MB-S-33-9X12
MB-S-33-9X13
MB-S-33-9X14
MB-S-33-9X15
MB-S-33-9X16
MB-S-33-10X10
MB-S-33-10X11
MB-S-33-10X12
MB-S-33-10X13
MB-S-33-10X14
MB-S-33-10X15
MB-S-33-10X16
MB-S-33-11X11
MB-S-33-11X12
MB-S-33-11X13
MB-S-33-11X14
MB-S-33-11X15
MB-S-33-11X16
MB-S-33-12X12
MB-S-33-12X13
MB-S-33-12X14
MB-S-33-12X15
MB-S-33-12X16
MB-S-33-13X13
MB-S-33-13X14
MB-S-33-13X15
MB-S-33-13X16
MB-S-33-14X14
MB-S-33-14X15
MB-S-33-14X16
MB-S-33-15X15
MB-S-33-15X16
MB-S-33-16X16
MB-S-41-8X8
MB-S-41-8X9
MB-S-41-8X10
MB-S-41-8X11
MB-S-41-8X12
MB-S-41-8X13
MB-S-41-8X14
MB-S-41-8X15
MB-S-41-8X16
MB-S-41-8X17
MB-S-41-8X18
MB-S-41-8X19
MB-S-41-8X20
MB-S-41-9X9
MB-S-41-9X10
MB-S-41-9X11
MB-S-41-9X12
MB-S-41-9X13
MB-S-41-9X14
MB-S-41-9X15
MB-S-41-9X16
MB-S-41-9X17
MB-S-41-9X18
MB-S-41-9X19
MB-S-41-9X20
MB-S-41-10X10
MB-S-41-10X11
MB-S-41-10X12
MB-S-41-10X13
MB-S-41-10X14
MB-S-41-10X15
MB-S-41-10X16
MB-S-41-10X17
MB-S-41-10X18
MB-S-41-10X19
MB-S-41-10X20
MB-S-41-11X11
MB-S-41-11X12
MB-S-41-11X13
MB-S-41-11X14
MB-S-41-11X15
MB-S-41-11X16
MB-S-41-11X17
MB-S-41-11X18
MB-S-41-11X19
MB-S-41-11X20
MB-S-41-12X12
MB-S-41-12X13
MB-S-41-12X14
MB-S-41-12X15
MB-S-41-12X16
MB-S-41-12X17

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 644.53	1 Piece(s)	12 Day(s) or more	10	8	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	8	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	9	9	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	10	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	11	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	12	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	13	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	9	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 727.85	1 Piece(s)	12 Day(s) or more	10	9	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	10	10	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	11	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	12	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	13	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	10	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	11	11	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	11	12	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	11	13	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	11	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	11	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 727.85	1 Piece(s)	12 Day(s) or more	10	11	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	12	12	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	12	13	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	12	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	12	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	12	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	13	13	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	13	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	13	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	13	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 717.65	1 Piece(s)	12 Day(s) or more	10	14	14	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	14	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	14	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	15	15	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 644.53	1 Piece(s)	12 Day(s) or more	10	15	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 633.21	1 Piece(s)	12 Day(s) or more	10	16	16	34	40	5.01~10.00	7.5	2.5	0.1	0.02~0.2	975X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	8	8	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	9	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	10	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	11	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	12	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	13	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	14	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	15	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	16	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	17	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	18	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	19	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	8	20	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	9	9	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	10	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	11	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	12	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	13	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	14	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	15	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	16	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	17	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	18	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	19	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	9	20	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	10	10	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	11	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	12	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	13	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	14	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	15	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	16	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	17	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	18	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 795.86	1 Piece(s)	19 Day(s) or more	10	10	19	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	10	20	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	11	11	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	12	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	11	13	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	14	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	15	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	16	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 795.86	1 Piece(s)	19 Day(s) or more	10	11	17	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	18	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	19	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	11	20	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 696.79	1 Piece(s)	19 Day(s) or more	10	12	12	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	12	13	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	12	14	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	12	15	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	12	16	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8
MYR 713.76	1 Piece(s)	19 Day(s) or more	10	12	17	41.0	49.7	5.01~10.00	10	2.5	0.15	0.02~0.2	2490X10-8

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
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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