743

Alterations Shaft Bore Dia. Keyway Width

Spec.

LDC

H8

RDC

H8

0.1mm increment <Ordering Code> LDC19.5 RDC21

EValues in ( ) are for Clamping Type.

b

t

d1, d2

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

XCannot be combined with shaft bore change (LDC, RDC) alterations. EApplicable to Keywayed Bore only.

Code x x

CAD Data Folder Name: 14_Couplings

-Large Shaft Dia., Set Screw/Spacers-

Oldham Couplings

QFeatures: Large tolerance for lateral and angular misalignments covers up to Ø38 max. shafts.

When ordering, select Part Number and Values from Selection Steps 1~4. Specify the shaft diameter as d1≤d2.

Part Number (1Type∙2D) - 3d1 - 4d2

MFJ44 - 15 - 20

MFJS44

d1 Side d2 Side

Keywayed Bore

MFJWK (d1∙d2 Both Sides)

F

2D 3

d

LL

Hub

4-MSpacer

LH8

3d

1

H84

d2

Standard Bore

MFJ

EOperating Temperature: -20°C ~ 80°C

EThe allowable torque varies depending on temperature. Refer to P.716. EThe 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. EFor selection criteria, refer to D P.715.

QCharacteristic Values

ShapeStandard

Bore

Keywayed Bore MMaterialAAccessory

d1 (One Side) d2 (One Side) d∙d2 (Both Sides) Hub Spacer

Set Screw MFJ - - MFJWK Aluminum Alloy Polyacetal Set Screw

Part Number

3d1,4d2 Selection (d1≤d2) d3 L L F

Set Screw

1Type 2D MTightening Torque

(N∙m)

MFJMFJWK

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

Part Number Allowable Torque (N·m) Allowable AngularMisalignment (°)

Lateral Misalign

ment (mm)

StaticTorsional Spring

Constant (N∙m/rad)

Max.Rotational

Speed (r/min)

Moment of Inertia (kg∙m2)

Allowable Axial

Misalignment (mm)

Mass (g)

Type D Set Screw

MFJMFJWK

44 30

2

1 1500 12000 4 x10-5 ±0.5 140

55 45 1.5 2800 10000 11 x10-5 ±0.6 260

70 80 2 4800 8000 40 x10-5 ±0.8 450d1, d2

t

b

Shaft Bore Diameter

d1∙d2

b t Key Nominal

Dim. bxhReference Dia. Tolerance Reference Dia. Tolerance

14~17 5±0.0150

2.3 +0.10

5x5

17.1~22 6 2.8 6x6

22.1~30 8±0.0180 3.3 +0.2

08x7

30.1~38 10 10x8

Keyway Dimension

Part Number (1Type∙2D) - 3d1(LDC) - 4d2(RDC) - (KLH∙KRH)

MFJ55 - LDC19.5 - RDC21

MFJCWK70 - 22 - 35 - KLH8

D LDC∙RDC

44 14~22 (20)

55 18~26 (25)

70 22~38 (35)

Shaft Bore Diameter d1, d2

KLH∙KRH (b) t

Reference Dia. Tolerance Reference Dia. Tolerance

22 8±0.0180 3.3 +0.2

030 10

W

GT

d3 D1

MFJS

MMaterial Polyacetal

Part NumberD1 T d3 W G

Applicable

CouplingType No.

MFJS

44 44.3 14 22.5 10.4 9MFJ##44

MFJC##44

55 55 17 28 13 11MFJ##55

MFJC##55

70 69 25 39 15 16.5MFJ##70

MFJC##70

Order Quantity

Standard Service Non-Standard Service

Regular Quantity Large Quantity

Quantity 1~20 21~Days to ship Standard To be quoted

QSpacers (for MFJ##∙MFJC##)

5

5

KLH (Left Shaft) KRH (Right End)LDC (Left Shaft) RDC (Right End)

Express A

744

CAD Data Folder Name: 14_Couplings

-Large Shaft Dia., Clamping-

Oldham Couplings

Standard Bore

MFJC

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

QFeatures: Large tolerance for lateral and angular misalignments covers up to Ø35 max. shafts.

d1 Side d2 Side

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

EThe allowable torque varies depending on temperature. Refer to P.716. EThe 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. EFor selection criteria, refer to D P.715.

QCharacteristic Values

Part Number

3d1,4d2 Selection (d1≤d2) d3 L L F A

Set Screw

1Type 2D MTightening Torque*

(N∙m)

MFJCMFJCLKMFJCRKMFJCWK

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

Part Number Allowable Torque (N·m) Allowable Angular

Misalign- ment(°)

Lateral Misalignment

(mm)

StaticTorsional Spring

Constant (N∙m/rad)

Max.Rotational

Speed (r/min)

Moment of Inertia (kg∙m2)

Allowable Axial

Misalignment (mm)

Mass (g)

Type D Clamping

MFJCMFJCLKMFJCRKMFJCWK

44 26

2

1 1500 12000 4 x10-5 ±0.5 140

55 40 1.5 2800 10000 11 x10-5 ±0.6 260

70 72 2 4800 8000 40 x10-5 ±0.8 450

When ordering, select Part Number and Values from Selection Steps 1~4. Specify the shaft diameter as d1≤d2.

Part Number (1Type∙2D) - 3d1 - 4d2

MFJC44 - 15 - 20

MFJCWK55 - 22 - 25

3d

L

FLL

Spacer

Hub2-M

A2D H8

3d

1

H84

d2

Keywayed Bore

MFJCLK (d1 Side Only) MFJCRK (d2 Side Only) MFJCWK (d1∙d2 Both Sides)

Alterations Shaft Bore Dia. Keyway Width

Spec.

LDC

H8

RDC

H8

1mm increment <Ordering Code> LDC19 RDC21

b

t

d1, d2

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

X Cannot be combined with shaft bore change (LDC, RDC) alterations.

Code x x

Part Number (1Type∙2D) - 3d1 (LDC) - 4d2 (RDC) - (KLH∙KRH)

MFJC55 - LDC19.5 - RDC21

MFJCWK70 - 22 - 35 - KLH8

5

D LDC∙RDC

44 15~20

55 20~25

70 25~35

KLH (Left Shaft) KRH (Right End)

Shaft BoreDiameter

d1, d2

KLH∙KRH (b) tReference

Dia. Tolerance ReferenceDia. Tolerance

22 8±0.0180 3.3 +0.2

030 10

d1, d2

t

b

Shaft Bore Diameter

d1∙d2

b t Key Nominal

Dim. bxhReference Dia. Tolerance Reference Dia. Tolerance

14~17 5±0.0150

2.3 +0.10

5x5

17.1~22 6 2.8 6x6

22.1~30 8±0.0180 3.3

+0.20

8x7

30.1~38 10 10x8

Keyway Dimension

5

Order Quantity

Standard Service Non-Standard Service

Regular Quantity Large Quantity

Quantity 1~20 21~Days to ship Standard To be quoted

LDC (Left Shaft) RDC (Right End)

ShapeStandard

Bore

Keywayed Bore MMaterialAAccessory

d1 (One Side) d2 (One Side) d1∙d2 (Both Sides) Hub Spacer

Clamping MFJC MFJCLK MFJCRK MFJCWK Aluminum Alloy Polyacetal Hexagon Socket Head Cap Screw

Express A