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Oldham Couplings - Large Shaft Diameter, Set Screw / Clamping / Spacers, Economy series (Part Numbers)

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MISUMI

MiSUMi Economy

MISUMI

Only part numbers that can be generated via the filter(Configurator bar on the left) are currently available.

Part Number

Configured Part Number is shown.

Drawing/Specifications
Part Numbers

[ ! ] Please note that some sizes listed in the specification table are not yet available.
Part numbers generated using the configuration bar on the left side of the page are valid.

Drawing

Operating Temperature: -20°C ~ 80°C ETolerances for d1 and d2 are values before slit machining.

The lateral, angular, and axial misalignment values shown are for each occurring individually.

When multiple misalignments are occurring simultaneously, the allowable maximum value of each will be reduced to 1/2.

Material

Shape	Keywayed Bore			Material		Accesories
Shape	d₁(One Side)	d₂(One Side)	d₁・d₂(Both Side)	Hub	Spacers	Accesories
Set Screw	-	-	EA-MFJWK	Aluminum Alloy	Polyacetal	Set Screw
Clamping	EA-MFJCLK	EA-MFJCRK	EA-MFJCWK	Aluminum Alloy	Polyacetal	Hex Socket Head Cap Screw

Specification

Part Number

Shaft Bore Dia. d₁

Shaft Bore Dia. d₂

EA-MFJWK44

EA-MFJCWK70

Part Number		d₁,d₂ Selection (However d₁≤d₂)												d₃	L	ℓ	F	A	Set Screw/ Clamping Screw
Type	D	d₁,d₂ Selection (However d₁≤d₂)												d₃	L	ℓ	F	A	M	Tightening Torque (N・m)
Set Screw EA-MFJWK	44	14	15	16	18	20	22							22.5	46	15	7.5	-	M 6	7.0
	55				18	20	22	25	26					28	57	19	9.5	-	M 8	15.0
	70						22	25		28	30	35	38	39	77	25	12.5	-	M10	30.0
Clamping EA-MFJC EA-MFJCLK EA-MFJCRK EA-MFJCWK	44	14	15	16	18	20								22.5	46	15	7.5	14.5	M5	＊8.4
	55				18	20	22	25						28	57	19	9.5	17	M6	＊14.4
	70						22	25		28	30	35		39	77	25	12.5	24	M8	＊30.0

*When the shaft diameter is small, clamp screw tightening torque should be higher than the prescribed value to prevent shaft slipping. The above tightening torque is for reference

Only part numbers that can be generated via the filter(Configurator bar on the left) are currently available.

Part Number		Allowable Torque (N・m)		Angular Misalignment (°)	Lateral Misalignment (mm)	Static Torsional Spring Constant (N・m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg・m²)	Allowable Axial Misaligntment (mm)	Mass (g)
Type	D	Set Screw	Clamping	Angular Misalignment (°)	Lateral Misalignment (mm)	Static Torsional Spring Constant (N・m/rad)	Max. Rotational Speed (r/min)	Moment of Inertia (kg・m²)	Allowable Axial Misaligntment (mm)	Mass (g)
Clamping EA-MFJC EA-MFJCLK EA-MFJCRK EA-MFJCWK	44	30	26	2	1	1500	12000	4 ×10^-5	±0.5	140
	55	45	40		1.5	2800	10000	11 ×10^-5	±0.6	260
	70	80	72		2	4800	8000	40 ×10^-5	±0.8	450

The allowable torque varies depending on temperature.

Alterations

Shaft Bore Dia.

Keyway Width

Keyway

Spec.

0.1mm increment
Ordering Code
LDC19.5
RDC21

D	LDC·RDC
44	14~22(20)
55	18~26(25)
70	22~38(35)

Values in（）are for Clamping Type.

Keyway Width(b) is changed as the table below.
Ordering Code KLH8 KRH8
尺寸图

Shaft Bore Dia. d1·d2	KLH·KRH（b）		t
	Reference Dia.	Tolerance	Reference Dia.	Tolerance
22	8	±0.0180	3.3	+0.2 0
30	10

Cannot be combined with shaft bore change（LDC·RDC）alteration.

Applicable to Keywayed Bore only.

MFJ	MFJC

Ordering Code
LK5 RK8

Shaft Dia. d1·d2	LK·RK
14~17	5
17~22	6
22~30	8
30~38	10

Code

LDC（Left Shaft）

RDC（Right Shaft）

KLH（Left Shaft）

KRH（Right Shaft）

LK（Left Shaft）

RK（Right Shaft）

: 30; 60; 90

Part Number
EA-MFJCLK44-[14,15,16,18,20]-[14,15,16,18,20]
EA-MFJCLK44-[14,15,16,18,20]-RDC[14-20/0.1]
EA-MFJCLK44-LDC[14-20/0.1]-[14,15,16,18,20]
EA-MFJCLK44-LDC[14-20/0.1]-RDC[14-20/0.1]
EA-MFJCLK55-[18,20,22,25]-[18,20,22,25]
EA-MFJCLK55-[18,20,22,25]-RDC[18-25/0.1]
EA-MFJCLK55-LDC[18-25/0.1]-[18,20,22,25]
EA-MFJCLK55-LDC[18-25/0.1]-RDC[18-25/0.1]
EA-MFJCLK70-[22,25,28,30,35]-[22,25,28,30,35]
EA-MFJCLK70-[22,25,28,30,35]-RDC[22-35/0.1]
EA-MFJCLK70-LDC[22-35/0.1]-[22,25,28,30,35]
EA-MFJCLK70-LDC[22-35/0.1]-RDC[22-35/0.1]
EA-MFJCRK44-[14,15,16,18,20]-[14,15,16,18,20]
EA-MFJCRK44-[14,15,16,18,20]-RDC[14-20/0.1]
EA-MFJCRK44-LDC[14-20/0.1]-[14,15,16,18,20]
EA-MFJCRK44-LDC[14-20/0.1]-RDC[14-20/0.1]
EA-MFJCRK55-[18,20,22,25]-[18,20,22,25]
EA-MFJCRK55-[18,20,22,25]-RDC[18-25/0.1]
EA-MFJCRK55-LDC[18-25/0.1]-[18,20,22,25]
EA-MFJCRK55-LDC[18-25/0.1]-RDC[18-25/0.1]
EA-MFJCRK70-[22,25,28,30,35]-[22,25,28,30,35]
EA-MFJCRK70-[22,25,28,30,35]-RDC[22-35/0.1]
EA-MFJCRK70-LDC[22-35/0.1]-[22,25,28,30,35]
EA-MFJCRK70-LDC[22-35/0.1]-RDC[22-35/0.1]
EA-MFJCWK44-[14,15,16,18,20]-[14,15,16,18,20]
EA-MFJCWK44-[14,15,16,18,20]-RDC[14-20/0.1]
EA-MFJCWK44-LDC[14-20/0.1]-[14,15,16,18,20]
EA-MFJCWK44-LDC[14-20/0.1]-RDC[14-20/0.1]
EA-MFJCWK55-[18,20,22,25]-[18,20,22,25]
EA-MFJCWK55-[18,20,22,25]-RDC[18-25/0.1]
EA-MFJCWK55-LDC[18-25/0.1]-[18,20,22,25]
EA-MFJCWK55-LDC[18-25/0.1]-RDC[18-25/0.1]
EA-MFJCWK70-[22,25,28,30,35]-[22,25,28,30,35]
EA-MFJCWK70-[22,25,28,30,35]-RDC[22-35/0.1]
EA-MFJCWK70-LDC[22-35/0.1]-[22,25,28,30,35]
EA-MFJCWK70-LDC[22-35/0.1]-RDC[22-35/0.1]
EA-MFJWK44-[14,15,16,18,20,22]-[14,15,16,18,20,22]
EA-MFJWK44-[14,15,16,18,20,22]-RDC[14-22/0.1]
EA-MFJWK44-LDC[14-22/0.1]-[14,15,16,18,20,22]
EA-MFJWK44-LDC[14-22/0.1]-RDC[14-22/0.1]
EA-MFJWK55-[18,20,22,25,26]-[18,20,22,25,26]
EA-MFJWK55-[18,20,22,25,26]-RDC[18-26/0.1]
EA-MFJWK55-LDC[18-26/0.1]-[18,20,22,25,26]
EA-MFJWK55-LDC[18-26/0.1]-RDC[18-26/0.1]
EA-MFJWK70-[22,25,28,30,35,38]-[22,25,28,30,35,38]
EA-MFJWK70-[22,25,28,30,35,38]-RDC[22-38/0.1]
EA-MFJWK70-LDC[22-38/0.1]-[22,25,28,30,35,38]
EA-MFJWK70-LDC[22-38/0.1]-RDC[22-38/0.1]

Standard Unit Price	Minimum order quantity	Days to Ship	Shaft Bore Dia. 1 d1 (or d) (Ø)	Shaft Bore Dia. 2 d2 (or d) (Ø)	O.D. (Ø)	Overall Length (mm)	Allowable Torque Range (N•m)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Max. Rotational Speed (r/min)	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment	Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment
-	1 Piece(s)	17 Day(s)	14 ～ 20	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	-
-	1 Piece(s)	17 Day(s)	14 ～ 20	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	-
-	1 Piece(s)	17 Day(s)	-	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	14 ～ 20
-	1 Piece(s)	17 Day(s)	-	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	14 ～ 20
-	1 Piece(s)	17 Day(s)	18 ～ 25	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	-
-	1 Piece(s)	17 Day(s)	18 ～ 25	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	-
-	1 Piece(s)	17 Day(s)	-	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	18 ～ 25
-	1 Piece(s)	17 Day(s)	-	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	18 ～ 25
-	1 Piece(s)	17 Day(s)	22 ～ 35	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	-
-	1 Piece(s)	17 Day(s)	22 ～ 35	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	-
-	1 Piece(s)	17 Day(s)	-	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	22 ～ 35
-	1 Piece(s)	17 Day(s)	-	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	22 ～ 35
-	1 Piece(s)	17 Day(s)	14 ～ 20	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	-
-	1 Piece(s)	17 Day(s)	14 ～ 20	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	-
-	1 Piece(s)	17 Day(s)	-	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	14 ～ 20
-	1 Piece(s)	17 Day(s)	-	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	14 ～ 20
-	1 Piece(s)	17 Day(s)	18 ～ 25	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	-
-	1 Piece(s)	17 Day(s)	18 ～ 25	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	-
-	1 Piece(s)	17 Day(s)	-	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	18 ～ 25
-	1 Piece(s)	17 Day(s)	-	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	18 ～ 25
-	1 Piece(s)	17 Day(s)	22 ～ 35	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	-
-	1 Piece(s)	17 Day(s)	22 ～ 35	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	-
-	1 Piece(s)	17 Day(s)	-	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	22 ～ 35
-	1 Piece(s)	17 Day(s)	-	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	22 ～ 35
-	1 Piece(s)	17 Day(s)	14 ～ 20	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	-
-	1 Piece(s)	17 Day(s)	14 ～ 20	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	-
-	1 Piece(s)	17 Day(s)	-	14 ～ 20	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	14 ～ 20
-	1 Piece(s)	17 Day(s)	-	-	44	46	20.01~50.00	10001~78000	26	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 20	14 ～ 20
-	1 Piece(s)	17 Day(s)	18 ～ 25	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	-
-	1 Piece(s)	17 Day(s)	18 ～ 25	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	-
-	1 Piece(s)	17 Day(s)	-	18 ～ 25	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	18 ～ 25
-	1 Piece(s)	17 Day(s)	-	-	55	57	20.01~50.00	4001~10000	40	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 25	18 ～ 25
-	1 Piece(s)	17 Day(s)	22 ～ 35	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	-
-	1 Piece(s)	17 Day(s)	22 ～ 35	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	-
-	1 Piece(s)	17 Day(s)	-	22 ～ 35	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	22 ～ 35
-	1 Piece(s)	17 Day(s)	-	-	70	77	50.01~100.00	4001~10000	72	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 35	22 ～ 35
-	1 Piece(s)	17 Day(s)	14 ～ 22	14 ～ 22	44	46	20.01~50.00	10001~78000	30	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	-
-	1 Piece(s)	17 Day(s)	14 ～ 22	-	44	46	20.01~50.00	10001~78000	30	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 22	-
-	1 Piece(s)	17 Day(s)	-	14 ～ 22	44	46	20.01~50.00	10001~78000	30	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	-	14 ～ 22
-	1 Piece(s)	17 Day(s)	-	-	44	46	20.01~50.00	10001~78000	30	1	0.41~1.0	12000	+0.5/-0.5	4×10^-5	14 ～ 22	14 ～ 22
-	1 Piece(s)	17 Day(s)	18 ～ 26	18 ～ 26	55	57	20.01~50.00	4001~10000	45	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	-
-	1 Piece(s)	17 Day(s)	18 ～ 26	-	55	57	20.01~50.00	4001~10000	45	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 26	-
-	1 Piece(s)	17 Day(s)	-	18 ～ 26	55	57	20.01~50.00	4001~10000	45	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	-	18 ～ 26
-	1 Piece(s)	17 Day(s)	-	-	55	57	20.01~50.00	4001~10000	45	1.5	1.1~3.0	10000	+0.6/-0.6	11x10^-5	18 ～ 26	18 ～ 26
-	1 Piece(s)	17 Day(s)	22 ～ 38	22 ～ 38	70	77	50.01~100.00	4001~10000	80	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	-
-	1 Piece(s)	17 Day(s)	22 ～ 38	-	70	77	50.01~100.00	4001~10000	80	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 38	-
-	1 Piece(s)	17 Day(s)	-	22 ～ 38	70	77	50.01~100.00	4001~10000	80	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	-	22 ～ 38
-	1 Piece(s)	17 Day(s)	-	-	70	77	50.01~100.00	4001~10000	80	2	1.1~3.0	8000	+0.8/-0.8	40x10^-5	22 ～ 38	22 ～ 38

Basic Information

Series Name	Oldham	Application	Standard	Features	High Torque Type / Low Moment of Inertia
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Body Material	Aluminum	Allowable Angular Misalignment(deg)	2
Product Category	Coupling Main Body	Buffer Material	Polyacetal	Operating Temperature(°C)	-20::80

Configure

48 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. 1 d1 (or d)(Ø)
14

15

16

18

20

22

25

26

28

30

35

38
Clear
Shaft Bore Dia. 2 d2 (or d)(Ø)
14

15

16

18

20

22

25

26

28

30

35

38
Clear
O.D.(Ø)
44

55

70
Clear
Overall Length(mm)
46

57

77
Clear
Allowable Torque Range(N•m)
20.01~50.00

50.01~100.00
Clear
Max. Rotational Speed Range(r/min)
4001~10000

10001~78000
Clear
Allowable Torque(N•m)
26

30

40

45

72

80
Clear
Allowable Lateral Misalignment(mm)
1

1.5

2
Clear
Allowable Lateral Misalignment Range(mm)
0.41~1.0

1.1~3.0
Clear
Max. Rotational Speed(r/min)
8000

10000

12000
Clear
Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment
[14-38/0.1]
Clear
Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment
[14-38/0.1]
Clear
type
- EA-MFJCLK
- EA-MFJCRK
- EA-MFJCWK
- EA-MFJWK
Clear