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-38C-14-KT-17-BT
MOM-38C-14-KT-18
MOM-38C-14-KT-19-BT
MOM-38C-14-KT-20
MOM-38C-15-15
MOM-38C-15-16
MOM-38C-15-16-KT
MOM-38C-15-17-BT
MOM-38C-15-17-BT-KT
MOM-38C-15-18
MOM-38C-15-18-KT
MOM-38C-15-19-BT
MOM-38C-15-19-BT-KT
MOM-38C-15-20
MOM-38C-15-20-KT
MOM-38C-15-KT-15
MOM-38C-15-KT-16
MOM-38C-15-KT-17-BT
MOM-38C-15-KT-18
MOM-38C-15-KT-19-BT
MOM-38C-15-KT-20
MOM-38C-16-16
MOM-38C-16-17-BT
MOM-38C-16-17-BT-KT
MOM-38C-16-18
MOM-38C-16-18-KT
MOM-38C-16-19-BT
MOM-38C-16-19-BT-KT
MOM-38C-16-20
MOM-38C-16-20-KT
MOM-38C-16-KT-16
MOM-38C-16-KT-17-BT
MOM-38C-16-KT-18
MOM-38C-16-KT-19-BT
MOM-38C-16-KT-20
MOM-38C-17-BT-17-BT
MOM-38C-17-BT-18
MOM-38C-17-BT-18-KT
MOM-38C-17-BT-19-BT
MOM-38C-17-BT-19-BT-KT
MOM-38C-17-BT-20
MOM-38C-17-BT-20-KT
MOM-38C-17-BT-KT-17-BT
MOM-38C-17-BT-KT-18
MOM-38C-17-BT-KT-19-BT
MOM-38C-17-BT-KT-20
MOM-38C-18-18
MOM-38C-18-19-BT
MOM-38C-18-19-BT-KT
MOM-38C-18-20
MOM-38C-18-20-KT
MOM-38C-18-KT-18
MOM-38C-18-KT-19-BT
MOM-38C-18-KT-20
MOM-38C-19-BT-19-BT
MOM-38C-19-BT-20
MOM-38C-19-BT-20-KT
MOM-38C-19-BT-KT-19-BT
MOM-38C-19-BT-KT-20
MOM-38C-20-20

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
142.14 €	1	9 Days	10	100～Less than 500	14	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	14	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	14	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	14	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
73.50 € 37.49 €	1	Same day Stock	10	100～Less than 500	15	15	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
90.04 €	1	9 Days	10	100～Less than 500	15	16	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	15	16	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
123.02 €	1	9 Days	10	100～Less than 500	15	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	15	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
90.04 €	1	9 Days	10	100～Less than 500	15	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	15	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
123.02 €	1	9 Days	10	100～Less than 500	15	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	15	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
90.04 €	1	9 Days	10	100～Less than 500	15	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	15	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
108.11 €	1	9 Days	10	100～Less than 500	15	15	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	15	16	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	15	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	15	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	15	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	15	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
90.04 €	1	9 Days	10	100～Less than 500	16	16	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
123.02 €	1	9 Days	10	100～Less than 500	16	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	16	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
90.04 €	1	9 Days	10	100～Less than 500	16	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	16	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
123.02 €	1	9 Days	10	100～Less than 500	16	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	16	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
90.04 €	1	9 Days	10	100～Less than 500	16	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	16	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
108.11 €	1	9 Days	10	100～Less than 500	16	16	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	16	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	16	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	16	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	16	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
109.72 €	1	9 Days	10	100～Less than 500	17	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
123.02 €	1	9 Days	10	100～Less than 500	17	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	17	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
109.72 €	1	9 Days	10	100～Less than 500	17	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
123.08 €	1	9 Days	10	100～Less than 500	17	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
123.02 €	1	9 Days	10	100～Less than 500	17	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	17	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
123.08 €	1	9 Days	10	100～Less than 500	17	17	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	17	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
123.08 €	1	9 Days	10	100～Less than 500	17	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	17	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
90.04 €	1	9 Days	10	100～Less than 500	18	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
123.02 €	1	9 Days	10	100～Less than 500	18	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	18	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
90.04 €	1	9 Days	10	100～Less than 500	18	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	NA
108.11 €	1	9 Days	10	100～Less than 500	18	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D2 Hole
108.11 €	1	9 Days	10	100～Less than 500	18	18	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	18	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
108.11 €	1	9 Days	10	100～Less than 500	18	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	D1 Hole
109.72 €	1	9 Days	10	100～Less than 500	19	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
123.02 €	1	9 Days	10	100～Less than 500	19	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	NA
142.14 €	1	9 Days	10	100～Less than 500	19	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D2 Hole
123.08 €	1	9 Days	10	100～Less than 500	19	19	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
142.14 €	1	9 Days	10	100～Less than 500	19	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Additional Work Shaft Hole	D1 Hole
90.04 €	1	9 Days	10	100～Less than 500	20	20	38	40.5	55	0.41 to 1.0	0.8	5.5×10^-5	Clamping Type	Standard Shaft Bore	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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