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Flexible Couplings - Oldham type, with large outside diameter. (Part Numbers)
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
Unit examples related to this product
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.
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| Part Number |
|---|
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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 - With clamp type fastening and aluminum body.
- Flexible Couplings - Spacer for Oldham type coupling, CPO/CPOC and CPOCG series.
- Flexible Couplings - Slotted type, standard length or compact.
- Flexible Couplings - Oldham Type, (Inch and Metric).
- Flexible Couplings - Slotted type, clamped, duraluminum.
- Flexible Couplings - Double disc.
- Flexible Couplings - Disc type, clamp-on type, XBW/XBWS series.
- Flexible Couplings - Oldham Type, selectable clamping type, MOS 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
Tech Support
- Technical Support
- Tel：+52-442-672-7661 ext. 2 then wait and dial 4
E-mail: soportetecnico@misumimex.com - Mon. - Fri. 8 a.m. - 6 p.m.
- Technical Inquiry
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