Helical slit couplings / body: aluminium / MST / NBK (Part Numbers - CAD Download)

Promotional pricing ends 31/12/2024
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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

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

Data to be displayed: 30; 45; 60

Part Number
MST-40C-10-BT-11-BT
MST-40C-10-BT-12-BT
MST-40C-10-BT-13-BT
MST-40C-10-BT-14-BT
MST-40C-10-BT-15-BT
MST-40C-10-BT-16-BT
MST-40C-10-BT-17-BT
MST-40C-10-BT-18-BT
MST-40C-11-BT-11-BT
MST-40C-11-BT-12-BT
MST-40C-11-BT-13-BT
MST-40C-11-BT-14-BT
MST-40C-11-BT-15-BT
MST-40C-11-BT-16-BT
MST-40C-11-BT-17-BT
MST-40C-11-BT-18-BT
MST-40C-12-12
MST-40C-12-14
MST-40C-12-BT-13-BT
MST-40C-12-BT-15-BT
MST-40C-12-BT-16-BT
MST-40C-12-BT-17-BT
MST-40C-12-BT-18-BT
MST-40C-13-BT-13-BT
MST-40C-13-BT-14-BT
MST-40C-13-BT-15-BT
MST-40C-13-BT-16-BT
MST-40C-13-BT-17-BT
MST-40C-13-BT-18-BT
MST-40C-14-14
MST-40C-14-16
MST-40C-14-BT-15-BT
MST-40C-14-BT-17-BT
MST-40C-14-BT-18-BT
MST-40C-15-15
MST-40C-15-16
MST-40C-15-BT-17-BT
MST-40C-15-BT-18-BT
MST-40C-16-16
MST-40C-16-BT-17-BT
MST-40C-16-BT-18-BT
MST-40C-17-BT-17-BT
MST-40C-17-BT-18-BT
MST-40C-18-BT-18-BT
MST-40K-14-14
MST-40K-16-16
MST-40K-18-18
MST-50-12-12
MST-50-12-17-BT
MST-50-12-BT-13-BT
MST-50-12-BT-14-BT
MST-50-12-BT-15-BT
MST-50-12-BT-16-BT
MST-50-12-BT-18-BT
MST-50-12-BT-19-BT
MST-50-12-BT-20-BT
MST-50-12-BT-21-BT
MST-50-12-BT-22-BT
MST-50-12-BT-23-BT
MST-50-12-BT-24-BT

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Diameter (mm)	Overall Length (mm)	Maximum Range of Rotation Number (r/min)	Body Material	Normal Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg･m²)	Structure	Additional Work	Keyway
132.34 €	1	9 Days	10	5.01 to 10.00	10	11	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	12	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	13	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	10	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	11	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	12	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	13	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	11	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
129.63 €	1	9 Days	10	5.01 to 10.00	12	12	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
129.63 €	1	9 Days	10	5.01 to 10.00	12	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
132.34 €	1	9 Days	10	5.01 to 10.00	12	13	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	12	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	12	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	12	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	12	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	13	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	13	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
129.63 €	1	9 Days	10	5.01 to 10.00	14	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
129.63 €	1	9 Days	10	5.01 to 10.00	14	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
132.34 €	1	9 Days	10	5.01 to 10.00	14	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	14	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	14	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
129.63 €	1	9 Days	10	5.01 to 10.00	15	15	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
129.63 €	1	9 Days	10	5.01 to 10.00	15	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
132.34 €	1	9 Days	10	5.01 to 10.00	15	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	15	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
129.63 €	1	9 Days	10	5.01 to 10.00	16	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Standard Shaft Bore	NA
132.34 €	1	9 Days	10	5.01 to 10.00	16	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	16	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	17	17	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	17	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
132.34 €	1	9 Days	10	5.01 to 10.00	18	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.3 x 10^-5	Clamping Type	Additional Work Shaft Hole	NA
127.92 €	1	9 Days	10	5.01 to 10.00	14	14	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.2×10^-5	Set screw + key type	Standard Shaft Bore	Both Sides
127.92 €	1	9 Days	10	5.01 to 10.00	16	16	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.2×10^-5	Set screw + key type	Standard Shaft Bore	Both Sides
127.92 €	1	9 Days	10	5.01 to 10.00	18	18	40	56	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	8	15000	0.2	±0.5	3.2×10^-5	Set screw + key type	Standard Shaft Bore	Both Sides
150.40 €	1	9 Days	10	10.01 to 20.00	12	12	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Standard Shaft Bore	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	17	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	13	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	14	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	15	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	16	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	18	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	19	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	20	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	21	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	22	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	23	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
146.18 €	1	9 Days	10	10.01 to 20.00	12	24	50	71	10,001 to 78,000	[Aluminum] EN AW-2017 Equiv.	16	12000	0.2	±0.5	1.0×10^-4	Set Screw Type	Additional Work Shaft Hole	NA

Basic information

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

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2,100Suggestion of an applicable part number.

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Basic Attributes

Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00
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Shaft Bore Dia. (machined) D1(mm)
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
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Shaft Bore Dia. (machined) D2(mm)
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
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Outer Diameter(mm)
8

12

16

20

25

32

40

50

63
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Overall Length(mm)
14

18.5

23

26

31

41

56

71

90
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Maximum Range of Rotation Number(r/min)
4,001 to 10,000

10,001 to 78,000
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Body Material
- Stainless Steel
  - Stainless Steel (EN 1.4305 Equiv.)
- Aluminum
  - EN AW-2017 Equiv.
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Normal Torque(Nm)
0.1

0.2

0.3

0.4

0.5

1

2

3.5

4

8

15

16

32

35
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Max. Rotational Speed(r/min)
10000

12000

15000

19000

25000

31000

39000

52000

78000
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Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
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Structure
- Clamping Type
- Set Screw Type
- Set screw + key type
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Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
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Keyway
- Both Sides
- NA
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Type
- MST
- MSTS
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- 2D
- 3D
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