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-55C-17-BT-25
MOM-55C-17-BT-25-KT
MOM-55C-17-BT-KT-17-BT
MOM-55C-17-BT-KT-18
MOM-55C-17-BT-KT-19-BT
MOM-55C-17-BT-KT-20
MOM-55C-17-BT-KT-21-BT
MOM-55C-17-BT-KT-22
MOM-55C-17-BT-KT-23-BT
MOM-55C-17-BT-KT-24
MOM-55C-17-BT-KT-25
MOM-55C-18-18
MOM-55C-18-19-BT
MOM-55C-18-19-BT-KT
MOM-55C-18-20
MOM-55C-18-20-KT
MOM-55C-18-21-BT
MOM-55C-18-22
MOM-55C-18-22-KT
MOM-55C-18-23-BT
MOM-55C-18-24
MOM-55C-18-24-KT
MOM-55C-18-25
MOM-55C-18-25-KT
MOM-55C-18-KT-18
MOM-55C-18-KT-19-BT
MOM-55C-18-KT-20
MOM-55C-18-KT-21-BT
MOM-55C-18-KT-22
MOM-55C-18-KT-23-BT
MOM-55C-18-KT-24
MOM-55C-18-KT-25
MOM-55C-19-BT-19-BT
MOM-55C-19-BT-20
MOM-55C-19-BT-20-KT
MOM-55C-19-BT-21-BT
MOM-55C-19-BT-22
MOM-55C-19-BT-22-KT
MOM-55C-19-BT-23-BT
MOM-55C-19-BT-24
MOM-55C-19-BT-24-KT
MOM-55C-19-BT-25
MOM-55C-19-BT-25-KT
MOM-55C-19-BT-KT-19-BT
MOM-55C-19-BT-KT-20
MOM-55C-19-BT-KT-21-BT
MOM-55C-19-BT-KT-22
MOM-55C-19-BT-KT-23-BT
MOM-55C-19-BT-KT-24
MOM-55C-19-BT-KT-25
MOM-55C-20-20
MOM-55C-20-21-BT
MOM-55C-20-22
MOM-55C-20-22-KT
MOM-55C-20-23-BT
MOM-55C-20-24
MOM-55C-20-24-KT
MOM-55C-20-25
MOM-55C-20-25-KT
MOM-55C-20-KT-20

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
281.57 €	1	9 Days	10	100～Less than 500	17	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	17	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
318.71 €	1	9 Days	10	100～Less than 500	17	17	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	17	18	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
318.71 €	1	9 Days	10	100～Less than 500	17	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	17	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
318.71 €	1	9 Days	10	100～Less than 500	17	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	17	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
318.71 €	1	9 Days	10	100～Less than 500	17	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	17	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	17	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
261.37 €	1	9 Days	10	100～Less than 500	18	18	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
281.57 €	1	9 Days	10	100～Less than 500	18	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	18	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
261.37 €	1	9 Days	10	100～Less than 500	18	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	18	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
281.57 €	1	9 Days	10	100～Less than 500	18	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
261.37 €	1	9 Days	10	100～Less than 500	18	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	18	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
281.57 €	1	9 Days	10	100～Less than 500	18	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
261.37 €	1	9 Days	10	100～Less than 500	18	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	18	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
261.37 €	1	9 Days	10	100～Less than 500	18	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	18	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
271.16 €	1	9 Days	10	100～Less than 500	18	18	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	18	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
271.16 €	1	9 Days	10	100～Less than 500	18	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	18	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
271.16 €	1	9 Days	10	100～Less than 500	18	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	18	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
271.16 €	1	9 Days	10	100～Less than 500	18	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole
271.16 €	1	9 Days	10	100～Less than 500	18	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole
305.36 €	1	9 Days	10	100～Less than 500	19	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
281.57 €	1	9 Days	10	100～Less than 500	19	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	19	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
305.36 €	1	9 Days	10	100～Less than 500	19	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
281.57 €	1	9 Days	10	100～Less than 500	19	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	19	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
305.36 €	1	9 Days	10	100～Less than 500	19	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
281.57 €	1	9 Days	10	100～Less than 500	19	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	19	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
281.57 €	1	9 Days	10	100～Less than 500	19	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
294.93 €	1	9 Days	10	100～Less than 500	19	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D2 Hole
318.71 €	1	9 Days	10	100～Less than 500	19	19	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	19	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
318.71 €	1	9 Days	10	100～Less than 500	19	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	19	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
318.71 €	1	9 Days	10	100～Less than 500	19	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	19	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
294.93 €	1	9 Days	10	100～Less than 500	19	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	D1 Hole
261.37 €	1	9 Days	10	100～Less than 500	20	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
281.57 €	1	9 Days	10	100～Less than 500	20	21	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
261.37 €	1	9 Days	10	100～Less than 500	20	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	20	22	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
281.57 €	1	9 Days	10	100～Less than 500	20	23	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Additional Work Shaft Hole	NA
261.37 €	1	9 Days	10	100～Less than 500	20	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	20	24	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
261.37 €	1	9 Days	10	100～Less than 500	20	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	NA
271.16 €	1	9 Days	10	100～Less than 500	20	25	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D2 Hole
271.16 €	1	9 Days	10	100～Less than 500	20	20	55	58.6	99	1.1 to 3.0	1.2	3.4×10^-4	Clamping Type	Standard Shaft Bore	D1 Hole

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
Clear
Normal Torque(Nm)
2.7

3.3

5.5

7.7

11

26

35

55

66

99

176
Clear
Allowable Lateral Misalignment Range(mm)
0.21 to 0.40

0.41 to 1.0

1.1 to 3.0
Clear
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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