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Oldham Couplings MJ series　 (Part Numbers)

· 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; 60; 90

Part Number

Part Number	Minimum order quantity	Volume Discount	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

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 Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00
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
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 Lateral Misalignment Range(mm)
0.41~1.0

1.1~3.0

3.1~5.0

5.1~100
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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