Oldham couplings / fixing selectable / 1 disc: cast iron, regreasable / body: steel / MOM / NBK (Part Numbers - CAD Download)

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[Features]
· Oldham type flexible coupling.
· FCD400 used in spacer.
· Ideal for low speed / high torque specifications.
· Grease applied between hub and spacer to prevent burn-in.
· Due to hub and spacer slip, large eccentricity / deflection angles are allowed.
· The protrusion (resin pin) provided on the spacer allows the angle of deviation without difficulty.
· Long-term maintenance-free.
· Grease accumulated in the grease hole gradually leaks during operation, to maintain long-term lubrication performance.

Part Number

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Part Number
MOM-55CK-24-24
MOM-55CK-24-25
MOM-55CK-25-25
MOM-55K-15-15
MOM-55K-15-16
MOM-55K-15-18
MOM-55K-15-20
MOM-55K-15-22
MOM-55K-15-24
MOM-55K-15-25
MOM-55K-15-28
MOM-55K-16-16
MOM-55K-16-18
MOM-55K-16-20
MOM-55K-16-22
MOM-55K-16-24
MOM-55K-16-25
MOM-55K-16-28
MOM-55K-18-18
MOM-55K-18-20
MOM-55K-18-22
MOM-55K-18-24
MOM-55K-18-25
MOM-55K-18-28
MOM-55K-20-20
MOM-55K-20-22
MOM-55K-20-24
MOM-55K-20-25
MOM-55K-20-28
MOM-55K-22-22
MOM-55K-22-24
MOM-55K-22-25
MOM-55K-22-28
MOM-55K-24-24
MOM-55K-24-25
MOM-55K-24-28
MOM-55K-25-25
MOM-55K-25-28
MOM-55K-28-28
MOM-70-18-18
MOM-70-18-19-BT
MOM-70-18-19-BT-KT
MOM-70-18-20
MOM-70-18-20-KT
MOM-70-18-21-BT
MOM-70-18-22
MOM-70-18-22-KT
MOM-70-18-23-BT
MOM-70-18-24
MOM-70-18-24-KT
MOM-70-18-25
MOM-70-18-25-KT
MOM-70-18-26-BT
MOM-70-18-27-BT
MOM-70-18-28
MOM-70-18-28-KT
MOM-70-18-29-BT
MOM-70-18-30
MOM-70-18-30-KT
MOM-70-18-31-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)	Normal Torque (Nm)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Moment of Inertia (kg･m²)	Structure	Additional Work	Keyway
266.97 €	1	9 Days	10	100～Less than 500	24	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping + key type	Standard Shaft Bore	Both Sides
266.97 €	1	9 Days	10	100～Less than 500	24	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping + key type	Standard Shaft Bore	Both Sides
266.97 €	1	9 Days	10	100～Less than 500	25	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	15	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	16	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	18	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	20	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	22	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	15	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	16	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	18	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	20	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	22	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	16	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	18	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	20	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	22	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	18	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	20	20	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	20	22	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	20	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	20	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	20	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	22	22	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	22	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	22	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	22	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	24	24	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	24	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	24	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	25	25	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	25	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
221.23 €	1	9 Days	10	100～Less than 500	28	28	55	51	99	1.1 to 3.0	1.2	3.1×10^-4	Set screw + key type	Standard Shaft Bore	Both Sides
266.99 €	1	9 Days	-	100～Less than 500	18	18	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
288.28 €	1	9 Days	10	100～Less than 500	18	19	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
303.56 €	1	9 Days	10	100～Less than 500	18	19	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	D2 Hole
266.99 €	1	9 Days	10	100～Less than 500	18	20	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	20	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
288.28 €	1	9 Days	10	100～Less than 500	18	21	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
266.99 €	1	9 Days	10	100～Less than 500	18	22	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	22	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
288.28 €	1	9 Days	10	100～Less than 500	18	23	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
266.99 €	1	9 Days	10	100～Less than 500	18	24	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	24	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
266.99 €	1	9 Days	10	100～Less than 500	18	25	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	25	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
288.28 €	1	9 Days	10	100～Less than 500	18	26	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
288.28 €	1	9 Days	10	100～Less than 500	18	27	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
266.99 €	1	9 Days	10	100～Less than 500	18	28	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	28	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
288.28 €	1	9 Days	10	100～Less than 500	18	29	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA
266.99 €	1	9 Days	10	100～Less than 500	18	30	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	NA
276.84 €	1	9 Days	10	100～Less than 500	18	30	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Standard Shaft Bore	D2 Hole
288.28 €	1	9 Days	10	100～Less than 500	18	31	70	58.6	176	1.1 to 3.0	1.4	8.9×10^-4	Set Screw Type	Additional Work Shaft Hole	NA

Basic information

Type	Oldham Type	Allowable Misalignment	Angular Misalignment / Eccentricity	Application	Standard
Maximum Range of Rotation Number(r/min)	1,001 to 2,000	Feature	High torsional rigidity / High Torque	Body Material	EN 1.1191 Equiv.
Category	Coupling body	Max. Rotational Speed(r/min)	2000	Allowable Angular Misalignment(deg)	2

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Stock

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
3

4

5

6

6.35

7

8

9

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

36

37

38

39

40

41

42
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Shaft Bore Dia. (machined) D2(mm)
3

4

5

6

6.35

7

8

9

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

36

37

38

39

40

41

42
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Outer Diameter(mm)
12

15

17

20

26

30

34

38

45

55

70
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Overall Length(mm)
15

16.6

19

20.4

22

25

26.6

28

31.6

34

35

40.5

45.2

47.6

51

58.6

68.6
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Normal Torque(Nm)
2.7

3.3

5.5

7.7

11

26

35

55

66

99

176
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Allowable Lateral Misalignment Range(mm)
0.21 to 0.40

0.41 to 1.0

1.1 to 3.0
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Allowable Lateral Misalignment(mm)
0.3

0.4

0.5

0.6

0.7

0.8

1

1.2

1.4
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Structure
- Clamping + key type
- 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
- D1 Hole
- D2 Hole
- Both Sides
- NA
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Type
- MOM
- MOM-C
- MOM-CK
- MOM-K
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Allowable Torque Range(N•m)
5.01 to 10.00

10.01 to 20.00

20.01 to 50.00

50.01 to 100.00

100～Less than 500
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