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Oldham Couplings MJ series　

MIGHTY

· Oldham Couplings MJ series
· Oldham Couplings are 3-part couplings consisting of 2 hubs and 1 torque disc.
· 2 hubs materials are Aluminum Alloy and Free-cutting brass.
· 3 methods surface treatment solution for hubs are non-chromium chemical conversion treatment, Anodization and Electroless nickel plating.
· Torque disc materials are Polyacetal, Nylon and PEEK.
· Shaft Fastening Method: Set screw type.
· MJ series size: 6 to 57.
· Allowable Angular misalignment 1 degree.
· All through hole hubs MJ-50 and 57 with keyways standard (JIS B13101-1996)

Part Number

Configured Part Number is shown.

Product TOP

: 30; 45; 60

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Part Number
MJ-50-10X10
MJ-50-10X11
MJ-50-10X12
MJ-50-10X13
MJ-50-10X14
MJ-50-10X15
MJ-50-10X16
MJ-50-10X17
MJ-50-10X18
MJ-50-10X19
MJ-50-10X20
MJ-50-10X22
MJ-50-10X24
MJ-50-10X25
MJ-50-11X11
MJ-50-11X12
MJ-50-11X13
MJ-50-11X14
MJ-50-11X15
MJ-50-11X16
MJ-50-11X17
MJ-50-11X18
MJ-50-11X19
MJ-50-11X20
MJ-50-11X22
MJ-50-11X24
MJ-50-11X25
MJ-50-12X12
MJ-50-12X13
MJ-50-12X14
MJ-50-12X15
MJ-50-12X16
MJ-50-12X17
MJ-50-12X18
MJ-50-12X19
MJ-50-12X20
MJ-50-12X22
MJ-50-12X24
MJ-50-12X25
MJ-50-13X13
MJ-50-13X14
MJ-50-13X15
MJ-50-13X16
MJ-50-13X17
MJ-50-13X18
MJ-50-13X19
MJ-50-13X20
MJ-50-13X22
MJ-50-13X24
MJ-50-13X25
MJ-50-14X14
MJ-50-14X15
MJ-50-14X16
MJ-50-14X17
MJ-50-14X18
MJ-50-14X19
MJ-50-14X20
MJ-50-14X22
MJ-50-14X24
MJ-50-14X25

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Shaft Bore Dia. (machined) D2 (Ø)	Outer Dia. A (Ø)	Overall Length W (mm)	Allowable Torque Range (N•m)	Allowable Misalignment	Body Material	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Buffer Material	Operating Temperature Range (°C)	Moment of Inertia (kg･m²)	Specifications
SGD 229.53	1 Piece(s)	8 Day(s) or more	10	10	10	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	11	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	12	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	13	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	14	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	15	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	16	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	17	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	18	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	19	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	20	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	22	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	24	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	10	25	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 229.53	1 Piece(s)	8 Day(s) or more	10	11	11	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	12	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	13	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	14	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	15	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	16	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	17	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	18	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	19	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	20	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	22	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	24	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	11	25	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 229.53	1 Piece(s)	8 Day(s) or more	10	12	12	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	13	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	14	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	15	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	16	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	17	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	18	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	19	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	20	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	22	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	24	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	12	25	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 229.53	1 Piece(s)	8 Day(s) or more	10	13	13	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	14	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	15	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	16	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	17	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	18	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	19	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	20	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	22	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	24	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	13	25	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 229.53	1 Piece(s)	8 Day(s) or more	10	14	14	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	15	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	16	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	17	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	18	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	19	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	20	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	22	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	24	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking
SGD 233.75	1 Piece(s)	8 Day(s) or more	10	14	25	50	59.7	20.01~50.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	30	1	6	5.1~100	Polyacetal	-	7550X10-8	Set screw locking

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Basic Information

Type	Oldham Type	Application	Standard / Servo Motor / Stepping Motor / Encoder	Features	High accuracy / High durability / Backlash 0 / Vibration Absorption

Configure

210 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
2

3

4

5

6

7

8

9

10

11

12

12.7

13

14

15

16

17

18

19

20

20.5

21

22

24

25

25.4

28

30

30.5

36

47

56
Clear
Shaft Bore Dia. (machined) D2(Ø)
2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

22

24

25

28

30
Clear
Outer Dia. A(Ø)
6.4

9.5

12.7

19.1

25.4

33.3

41.3

50

57

70

88

118
Clear
Overall Length W(mm)
5.1

7.3

9.4

11.2

12.7

14.6

15.9

18

18.1

20.2

22

26.6

28.4

30

48

50.8

56

59.7

77.8
Clear
Allowable Misalignment
- No
- Angular Misalignment
- Eccentricity
Clear
Body Material
- Aluminum
  - Aluminum Alloy
- Free-Cutting Brass
Clear
Allowable Torque(N•m)
0.06

0.21

0.5

1.7

4

10

17

30

37.5
Clear
Allowable Angular Misalignment(deg)
1
Clear
Allowable Lateral Misalignment(mm)
0.8

1.3

1.6

2.4

3

3.8

5

6

7
Clear
Allowable Lateral Misalignment Range(mm)
0.41~1.0

1.1~3.0

3.1~5.0

5.1~100
Clear
Buffer Material
- Polyacetal
- Nylon
- PEEK
- Others
  - Aluminum Alloy Lubrication Plating
  - Aluminum Alloy Resin Coating
Clear
Specifications
- Individual torque disk
- Set screw locking
Clear
type
- MJ
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

20.01~50.00
Clear

Days to Ship

All

4 Day(s) or Less

8 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 .

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Oldham Couplings MJ series

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

Outer Dia. A(Ø)

Overall Length W(mm)

Allowable Misalignment

Body Material

Allowable Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Allowable Lateral Misalignment Range(mm)

Buffer Material

Specifications

type

Allowable Torque Range(N•m)

Days to Ship

Specify Alterations

Tech Support

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