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Flexible Couplings - Oldham type, with large outside diameter.
Oldham type flexible couplings with large outside diameter. Several models are available with the option to select the type of fastening and keyway.
- METRIC
- inCAD Components
Part Number
Configured Part Number is shown.
[ ! ]For the selection criteria and alignment procedures >> Click here
[ ! ]For Keyway Dimensions Please see >> Click here
・Materials
| Shape | Standard Bore | Keywayed Bore | [ M ]Material | [ A ] Accessories | |||
| d1 (One Side) | d2 (One Side) | d1, d2 (Both Sides) | Hub | Spacer | |||
| Set Screw | MFJ | - | - | MFJWK | Aluminum Alloy | Polyacetal | Set Screw |
| Clamping | MFJC | MFJCLK | MFJCRK | MFJCWK | Hex Socket Head Cap Screw | ||
Specifications
| Part Number | - | Shaft Bore Dia. d1 | - | Shaft Bore Dia. d2 |
| MFJ44 | - | 15 | - | 20 |
| MFJCWK70 | - | 22 | - | 35 |
■Set Screw
| Part Number | d1, d2 (d1≤d2) | d3 | L | ℓ | F | Set Screw | |||||||||||||
| Type | D | M | Tightening Torque (N·m) | ||||||||||||||||
| MFJ 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
[ ! ] * 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.
| Part Number | d1, d2 (d1≤d2) | d3 | L | ℓ | F | A | Clamp Screw | |||||||||||
| Type | D | M | Tightening Torque (N·m) | |||||||||||||||
| MFJC MFJCLK MFJCRK 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 | ||||||
| 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 Misalignment (mm) | Mass (g) | |||
| Type | D | Set Screw | Clamping | ||||||||
| Set Screw MFJ MFJWK | Clamping MFJC MFJCLK MFJCRK MFJCWK | 44 | 30 | 26 | 2 | 1 | 1500 | 12000 | 4 x10-5 | ±0.5 | 140 |
| 55 | 45 | 40 | 1.5 | 2800 | 10000 | 11 x10-5 | ±0.6 | 260 | |||
| 70 | 80 | 72 | 2 | 4800 | 8000 | 40 x10-5 | ±0.8 | 450 | |||
Price list
■Volume Discount Rate ([ ! ]Round down to nearest one cent.) P.89
[ ! ]For orders larger than indicated quantity, please refer to WOS.
| Quantity | 1~9 | 10~14 | 15~19 |
| Discount Rate | Unit Price | 5% | 10% |
Alterations
Technical Information
Keyway Dimensions
| Shaft Bore Dia. d1, d2 | b | t | Key Nom. Dim. b x h | ||
|---|---|---|---|---|---|
| Dim. | Tolerance | Dim. | Tolerance | ||
| 14-17 | 5 | ±0.0150 | 2.3 | +0.1 0 | 5x5 |
| 17.1-22 | 6 | 2.8 | 6x6 | ||
| 22.1-30 | 8 | ±0.0180 | 3.3 | +0.2 0 | 8x7 |
| 30.1-38 | 10 | 10x8 | |||
Support Information
MISUMI Coupling Type
| Coupling Type | Disk Tye | With Slit Type | Oldham Type | Jaw Type | Bellows Type | Rigid Type | Universal Joints Type | Chain Couplings Type |
|---|---|---|---|---|---|---|---|---|
| Photo |  |  |  |  |  |  |  |  |
| Shaft Bore Dia | Ø2-60 mm | Ø1.5-35 mm | Ø1-47 mm | Ø3-60 mm | Ø0-62 mm | Ø3-35 mm | Ø1-60 mm | Ø14-55 mm |
| Mortor Recommendation | *Servo Motor *Stepping Motors | *Servo Motor *Stepping Motors | *General Purpose Morter | *Stepping Motors *General Purpose Morter | *Stepping Motors | *Servo Motor *Stepping Motors | *Stepping Motors *General Purpose Morter | *General Purpose Morter |
| Torque | 0.15-800 N·m | 0.05-35 N·m | 0.06-352 N·m | 0.31-1,350 N·m | 0.3-500 N·m | 0.3-206 N·m | 0.25-495 N·m | 100-2,372 N·m |
| Zero Backlash | Excellent | Excellent | Inefficient | Inefficient | Good | Excellent | Inefficient | Inefficient |
| Allowable Angular Misalignment | Good | Good | Excellent | Reasonable | Excellent | Inefficient | Excellent | Reasonable |
| Allowable Lateral Misalignment | Reasonable | Reasonable | Excellent | Reasonable | Reasonable | Inefficient | Inefficient | Reasonable |
| Axial Misalignment | Good | Reasonable | Good | Inefficient | Excellent | Inefficient | Inefficient | Inefficient |
| See all options | Click here | Click here | Click here | Click here | Click here | Click here | Click here | Click here |
For more details on each type of coupling click here
Features
Oldham Couplings
Easy to install with large angular/lateral misalignment allowances characteristics.
- Spacers designed to flex and slide to allow misalignments.
- Larger misalignment allowance ranges compared to the other types, making for easy to adjust for installing.
- High rigidity type has bronze spacer material instead of resin, and has torque capacity 2x of the conventional type.
- Space-Saving Type up to 17% shorter in length contributing to space saving machine designs.
Cautions
Use Precautions
- Make sure to keep misalignment within the allowed range and avoid excessive torque. Otherwise the coupling’s life will be shortened considerably due to plastic deformation.
- For your safety, enclose the revolving parts of equipment with a protective cover.
- If the coupling item generates abnormal metallic noises, immediately turn off the equipment and identify the cause. Such noises may be an indication of improper alignment, shaft interference or a loose screw.
- For applications with a large load fluctuation, apply an adhesive agent on the coupling’s screws to prevent them from loosening. Alternatively, select a coupling of a larger size/load capability.
Compatible Models
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
Loading...
| Part Number |
|---|
| MFJ44-[14,15,16,18,20,22]-[14,15,16,18,20,22] |
| MFJ44-[14,15,16,18,20,22]-RDC[14-22/0.1] |
| MFJ44-LDC[14-22/0.1]-[14,15,16,18,20,22] |
| MFJ44-LDC[14-22/0.1]-RDC[14-22/0.1] |
| MFJ55-[18,20,22,25,26]-[18,20,22,25,26] |
| MFJ55-[18,20,22,25,26]-RDC[18-26/0.1] |
| MFJ55-LDC[18-26/0.1]-[18,20,22,25,26] |
| MFJ55-LDC[18-26/0.1]-RDC[18-26/0.1] |
| MFJ70-[22,25,28,30,35,38]-[22,25,28,30,35,38] |
| MFJ70-[22,25,28,30,35,38]-RDC[22-38/0.1] |
| MFJ70-LDC[22-38/0.1]-[22,25,28,30,35,38] |
| MFJ70-LDC[22-38/0.1]-RDC[22-38/0.1] |
| MFJC44-[14,15,16,18,20]-[14,15,16,18,20] |
| MFJC44-[14,15,16,18,20]-RDC[14-20/0.1] |
| MFJC44-LDC[14-20/0.1]-[14,15,16,18,20] |
| MFJC44-LDC[14-20/0.1]-RDC[14-20/0.1] |
| MFJC55-[18,20,22,25]-[18,20,22,25] |
| MFJC55-[18,20,22,25]-RDC[18-25/0.1] |
| MFJC55-LDC[18-25/0.1]-[18,20,22,25] |
| MFJC55-LDC[18-25/0.1]-RDC[18-25/0.1] |
| MFJC70-[22,25,28,30,35]-[22,25,28,30,35] |
| MFJC70-[22,25,28,30,35]-RDC[22-35/0.1] |
| MFJC70-LDC[22-35/0.1]-[22,25,28,30,35] |
| MFJC70-LDC[22-35/0.1]-RDC[22-35/0.1] |
| MFJCLK44-[14,15,16,18,20]-[14,15,16,18,20] |
| MFJCLK44-[14,15,16,18,20]-RDC[14-20/0.1] |
| MFJCLK44-LDC[14-20/0.1]-[14,15,16,18,20] |
| MFJCLK44-LDC[14-20/0.1]-RDC[14-20/0.1] |
| MFJCLK55-[18,20,22,25]-[18,20,22,25] |
| MFJCLK55-[18,20,22,25]-RDC[18-25/0.1] |
| MFJCLK55-LDC[18-25/0.1]-[18,20,22,25] |
| MFJCLK55-LDC[18-25/0.1]-RDC[18-25/0.1] |
| MFJCLK70-[22,25,28,30,35]-[22,25,28,30,35] |
| MFJCLK70-[22,25,28,30,35]-RDC[22-35/0.1] |
| MFJCLK70-LDC[22-35/0.1]-[22,25,28,30,35] |
| MFJCLK70-LDC[22-35/0.1]-RDC[22-35/0.1] |
| MFJCRK44-[14,15,16,18,20]-[14,15,16,18,20] |
| MFJCRK44-[14,15,16,18,20]-RDC[14-20/0.1] |
| MFJCRK44-LDC[14-20/0.1]-[14,15,16,18,20] |
| MFJCRK44-LDC[14-20/0.1]-RDC[14-20/0.1] |
| MFJCRK55-[18,20,22,25]-[18,20,22,25] |
| MFJCRK55-[18,20,22,25]-RDC[18-25/0.1] |
| MFJCRK55-LDC[18-25/0.1]-[18,20,22,25] |
| MFJCRK55-LDC[18-25/0.1]-RDC[18-25/0.1] |
| MFJCRK70-[22,25,28,30,35]-[22,25,28,30,35] |
| MFJCRK70-[22,25,28,30,35]-RDC[22-35/0.1] |
| MFJCRK70-LDC[22-35/0.1]-[22,25,28,30,35] |
| MFJCRK70-LDC[22-35/0.1]-RDC[22-35/0.1] |
| MFJCWK44-[14,15,16,18,20]-[14,15,16,18,20] |
| MFJCWK44-[14,15,16,18,20]-RDC[14-20/0.1] |
| MFJCWK44-LDC[14-20/0.1]-[14,15,16,18,20] |
| MFJCWK44-LDC[14-20/0.1]-RDC[14-20/0.1] |
| MFJCWK55-[18,20,22,25]-[18,20,22,25] |
| MFJCWK55-[18,20,22,25]-RDC[18-25/0.1] |
| MFJCWK55-LDC[18-25/0.1]-[18,20,22,25] |
| MFJCWK55-LDC[18-25/0.1]-RDC[18-25/0.1] |
| MFJCWK70-[22,25,28,30,35]-[22,25,28,30,35] |
| MFJCWK70-[22,25,28,30,35]-RDC[22-35/0.1] |
| MFJCWK70-LDC[22-35/0.1]-[22,25,28,30,35] |
| MFJCWK70-LDC[22-35/0.1]-RDC[22-35/0.1] |
Loading...
Basic Information
| Series Name | Oldham Type | Allowable Misalignment | Angular / Eccentricity / Axial | Application | Standard |
|---|---|---|---|---|---|
| Features | High Torque Type / Low Moment of Inertia | Body Material | Aluminum | Category | Coupling Main Body |
| Allowable Angular Misalignment(deg) | 2 | Buffer Part Material | Polyacetal | Operating Temperature(℃) | -20::80 |
Specification/Dimensions
-
Allowable Torque Range(N•m)
-
For Shaft Size d1(mm)
-
For Shaft Size d2(mm)
-
O.D. D(Ø)
-
Overall Length(mm)
-
Max. Rotational Speed Range(r/min)
-
Allowable Torque(N•m)
-
Max. Rotational Speed(r/min)
-
Allowable Lateral Misalignment Range(mm)
-
Allowable Lateral Misalignment(mm)
-
Shaft Bore Shape
-
Shaft Tightening Method
- Clamping
- Set Screws
-
Shaft I.D. d1 Change Hole Dia. [LDC] Specified in 0.1mm Increment
-
Shaft I.D. d2 Change Hole Dia. [RDC] Specified in 0.1mm Increment
-
type
- MFJ
- MFJC
- MFJCLK
- MFJCRK
- MFJCWK
- MFJWK
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 8 Days or Less
- 10 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Flexible Couplings - Disc type, high positioning accuracy.
- Flexible Couplings - Oldham type, with multiple spacer models.
- Flexible Couplings - Spacer for Oldham type coupling, CPO/CPOC and CPOCG series.
- Flexible Couplings - Slotted type, standard length or compact.
- Flexible Couplings - Slotted type, clamped, duraluminum.
- Flexible Couplings - Servo Flex, SFS series.
- Flexible Couplings - Slotted type, stainless steel.
- Flexible Couplings - Slotted type, XSTS/XWSS series.
Complementary Products
-
Bearings with Housing - Angular contact bearings, one deep groove ball bearing, round flange, double bearings.
MISUMI Days to Ship : 12 Days or more
MISUMI Unit Example related to this product
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- Technical Support
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- Technical Inquiry
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