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MST/MSTS Flexible Coupling Slit Type (MST-8-4-BT-4-BT)

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Backlash "0." Design of aluminum alloy slit pattern changed to improve performance.

[Features]
· Metal spring coupling with perfectly integrated structure, with slit in cylindrical material.
Leaf spring formed with a slit allows eccentricity, angle deviation, and end play.
· 2 kinds available: aluminum alloy / all stainless steel type.
· Wide range of outer diameters, ø8 to ø63

(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.

MST-8-4-BT-4-BT

: 30; 45; 60

Part Number
MST-8-4-BT-4-BT

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	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)	Maximum Range of Rotation Number (r/min)	Body Material	Normal Torque (N•m)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Construction	Additional Work	Keyway
	MYR 376.14	1 Piece(s)		8 Day(s) or more	10	4	4	8	14	0.05~1.00	10001~78000	[Aluminum] A2017	0.1	0.1	78000	±0.2	1.2 × 10^-8	Set Screw Type	Additional Work Shaft Hole	NA

Basic Information

Type	Slit type	Application	Standard / Stepping Motor	Features	High torsional rigidity / High Torque / Backlash 0
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Allowable Angular Misalignment(deg)	2	Product Category	Coupling body
Allowable Lateral Misalignment Range(mm)	0.02~0.2

Please check the type/dimensions/specifications of the part MST-8-4-BT-4-BT in the MST/MSTS Flexible Coupling Slit Type series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

type
- MST
- MSTS
Clear
Shaft Bore Dia. (machined) D1(Ø)
2

3

4

4.5

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35
Clear
Shaft Bore Dia. (machined) D2(Ø)
2

3

4

5

6

6.35

7

8

9

9.525

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35
Clear
O.D.(Ø)
8

12

16

20

25

32

40

50

63
Clear
Full Length(mm)
14

18.5

23

26

31

41

56

71

90
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

20.01~50.00
Clear
Maximum Range of Rotation Number(r/min)
4001~10000

10001~78000
Clear
Body Material
- Stainless Steel
  - SUS303
- Aluminum
  - A2017
Clear
Normal Torque(N•m)
0.1

0.2

0.3

0.4

0.5

1

2

3.5

4

8

15

16

32

35
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
Clear
Max. Rotational Speed(r/min)
10000

12000

15000

19000

25000

31000

39000

52000

78000
Clear
Construction
- Clamping Type
- Set Screw Type
- Set screw + key type
Clear
Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
Clear
Keyway
- Both Sides
- NA
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

5 Day(s) or Less

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

10 Day(s) or Less

13 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 .

Products like this...

Part Number
MST-12-4-4
MST-12-4-5
MST-12-4-6-BT
MSTS-12-3-3
MSTS-12-3-4
MSTS-12-3-5-BT

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)	Maximum Range of Rotation Number (r/min)	Body Material	Normal Torque (N•m)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Construction	Additional Work	Keyway
MYR 131.18	1 Piece(s)	8 Day(s) or more	10	4	4	12	18.5	0.05~1.00	10001~78000	[Aluminum] A2017	0.4	0.1	52000	±0.3	8.3×10^-8	Set Screw Type	Standard Shaft Bore	NA
MYR 131.18	1 Piece(s)	8 Day(s) or more	10	4	5	12	18.5	0.05~1.00	10001~78000	[Aluminum] A2017	0.4	0.1	52000	±0.3	8.3×10^-8	Set Screw Type	Standard Shaft Bore	NA
MYR 380.23	1 Piece(s)	8 Day(s) or more	10	4	6	12	18.5	0.05~1.00	10001~78000	[Aluminum] A2017	0.4	0.1	52000	±0.3	8.3×10^-8	Set Screw Type	Additional Work Shaft Hole	NA
MYR 251.02	1 Piece(s)	8 Day(s) or more	10	3	3	12	18.5	0.05~1.00	10001~78000	[Stainless Steel] SUS303	0.3	0.1	52000	±0.3	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 251.02	1 Piece(s)	8 Day(s) or more	10	3	4	12	18.5	0.05~1.00	10001~78000	[Stainless Steel] SUS303	0.3	0.1	52000	±0.3	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 680.46	1 Piece(s)	8 Day(s) or more	10	3	5	12	18.5	0.05~1.00	10001~78000	[Stainless Steel] SUS303	0.3	0.1	52000	±0.3	2.1×10^-7	Set Screw Type	Additional Work Shaft Hole	NA

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How can we improve?

MST/MSTS Flexible Coupling Slit Type (MST-8-4-BT-4-BT)

(i)Caution

Basic Information

Configure

Specification/Dimensions

type

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

O.D.(Ø)

Full Length(mm)

Allowable Torque Range(N•m)

Maximum Range of Rotation Number(r/min)

Body Material

Normal Torque(N•m)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Construction

Additional Work

Keyway

CAD

Days to Ship

Specify Alterations

Products like this...

Additional Products in this Category

Customers Who Viewed This Item Also Viewed

Tech Support

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