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Part Number Complete

MJ-25-8X12

Allowable Misalignment type Shaft Bore Dia. (machined) D1 Shaft Bore Dia. (machined) D2 Outer Dia. A Overall Length W Allowable Torque Range Body Material Allowable Torque Allowable Angular Misalignment Allowable Lateral Misalignment Allowable Lateral Misalignment Range Buffer Material Specifications Days to Ship

Specification/Dimensions

Allowable Misalignment
- No
- Angular Misalignment
- Eccentricity
Clear
type
- MJ
Clear
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

20.01~50.00
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

Days to Ship

All

5 Day(s) or Less

9 Day(s) or Less
Clear

Specify Alterations

Oldham Couplings MJ series　 (MJ-25-8X12)

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Total Price :

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Days to ship :

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Product Description

· 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)

Product TOP

: 30; 45; 60

Part Number
MJ-25-8X12

Part Number	Price	Minimum Order Qty.	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
	₹ 4,708.98	1 Piece(s)		9 Day(s) or more	10	8	12	25.4	28.4	3.01~5.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	4	1	3	1.1~3.0	Polyacetal	-	252X10-8	Set screw locking

Basic Information

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

Please check the type/dimensions/specifications of the part MJ-25-8X12 in the Oldham Couplings MJ series　 series.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Product variants

Part Number
MJ-13-3X4
MJ-13-3X5
MJ-13-3X6
MJ-25-8X8
MJ-25-8X9
MJ-25-9X10

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
₹ 3,174.51	1 Piece(s)	9 Day(s) or more	10	3	4	12.7	15.9	0.05~1.00	Angular Misalignment / Eccentricity	Free-Cutting Brass	0.5	1	1.6	1.1~3.0	Polyacetal	-	26X10-8	Set screw locking
₹ 3,174.51	1 Piece(s)	9 Day(s) or more	10	3	5	12.7	15.9	0.05~1.00	Angular Misalignment / Eccentricity	Free-Cutting Brass	0.5	1	1.6	1.1~3.0	Polyacetal	-	26X10-8	Set screw locking
₹ 3,174.51	1 Piece(s)	9 Day(s) or more	10	3	6	12.7	15.9	0.05~1.00	Angular Misalignment / Eccentricity	Free-Cutting Brass	0.5	1	1.6	1.1~3.0	Polyacetal	-	26X10-8	Set screw locking
₹ 4,524.15	1 Piece(s)	9 Day(s) or more	10	8	8	25.4	28.4	3.01~5.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	4	1	3	1.1~3.0	Polyacetal	-	252X10-8	Set screw locking
₹ 4,708.98	1 Piece(s)	9 Day(s) or more	10	8	9	25.4	28.4	3.01~5.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	4	1	3	1.1~3.0	Polyacetal	-	252X10-8	Set screw locking
₹ 4,708.98	1 Piece(s)	9 Day(s) or more	10	9	10	25.4	28.4	3.01~5.00	Angular Misalignment / Eccentricity	[Aluminum] Aluminum Alloy	4	1	3	1.1~3.0	Polyacetal	-	252X10-8	Set screw locking

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