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Flexible Shaft Couplings（Body Material：Plastic）
Couplings serve a crucial role in transmission system by connecting two shafts and facilitating the transmission of torque between them. These devices are essential in various applications where precise and reliable power transmission is required. When selecting couplings, it is crucial to consider factors such as Shaft Bore Diameter, Overall Length , Materials (e.g., Stainless Steel, Steel, Aluminum, Plastic and etc.), Features(e.g., Clean Environment, Heat Resistant , High Torque and so on). These considerations are vital for ensuring the production of high-quality products. We highly recommend reputable brands like MISUMI, ADVANCED, COUP-LINE, as well as cost-effective options from MISUMI ECONOMY.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on couplings. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on couplings. If you have any doubts or require assistance in choosing the right product, our experts are readily available to provide.
Configure
Specification/Dimensions
-
Shaft Bore Dia. (machined) D1(Ø)
-
Shaft Bore Dia. (machined) D2(Ø)
-
Outer Dia. A(Ø)
- 6
- 6.4
- 8
- 9
- 9.5
- 10
- 12
- 12.7
- 13
- 13.5
- 14
- 14.5
- 15
- 15.5
- 15.8
- 16
- 16.1
- 16.5
- 16.6
- 16.8
- 17
- 17.5
- 18
- 19
- 19.1
- 19.5
- 20
- 21
- 22
- 22.2
- 23.8
- 24
- 24.5
- 25
- 25.4
- 25.5
- 26
- 26.2
- 26.6
- 27
- 27.3
- 28
- 28.6
- 29
- 30
- 31.7
- 31.8
- 32
- 33
- 33.3
- 34
- 34.4
- 35
- 36
- 38
- 38.1
- 39
- 39.5
- 40
- 41.0
- 41.3
- 42
- 42.5
- 43
- 44
- 44.5
- 45
- 46
- 47
- 48
- 49
- 50
- 50.8
- 53
- 53.6
- 54
- 54.5
- 55
- 56
- 57
- 58
- 60
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 69.9
- 70
- 73
- 75
- 79
- 79.5
- 80
- 81
- 82
- 83
- 85
- 87
- 88
- 90
- 93
- 94
- 94.5
- 95
- 99
- 100
- 102
- 104
- 104.5
- 105
- 112
- 117
- 118
- 120
- 125
- 126
- 138
- 140
- 143
- 144
- 150
- 152
- 155
- 160
- 161
- 168
- 170
- 178
- 185
- 190
- 194
- 200
- 210
- 214
- 225
- 246
- 262
- 276
- 308
- 346
-
Overall Length W(mm)
- 5.1
- 7.3
- 8.4
- 9
- 9.4
- 9.6
- 10
- 10.2
- 10.5
- 11
- 11.2
- 11.4
- 11.8
- 11.9
- 12
- 12.35
- 12.4
- 12.7
- 13
- 13.5
- 14
- 14.2
- 14.4
- 14.5
- 14.6
- 14.7
- 14.9
- 15
- 15.5
- 15.6
- 15.7
- 15.8
- 15.9
- 16
- 16.2
- 16.5
- 16.6
- 16.7
- 17
- 17.4
- 17.5
- 17.6
- 17.8
- 18
- 18.1
- 18.4
- 18.5
- 18.7
- 18.8
- 19
- 19.1
- 19.2
- 19.35
- 19.4
- 19.6
- 19.7
- 19.8
- 20
- 20.2
- 20.4
- 20.5
- 21
- 21.2
- 21.3
- 21.4
- 21.5
- 21.6
- 22
- 22.1
- 22.2
- 22.5
- 22.9
- 23
- 23.05
- 23.1
- 23.15
- 23.2
- 23.3
- 23.4
- 23.5
- 23.6
- 24
- 24.1
- 24.2
- 24.4
- 24.5
- 24.9
- 25
- 25.4
- 25.45
- 25.5
- 25.6
- 25.7
- 25.9
- 26
- 26.2
- 26.5
- 26.6
- 27
- 27.2
- 27.3
- 27.4
- 27.5
- 28
- 28.2
- 28.3
- 28.4
- 28.5
- 28.6
- 28.8
- 29
- 29.5
- 29.8
- 30
- 30.2
- 30.4
- 30.5
- 31
- 31.2
- 31.4
- 31.5
- 31.6
- 31.7
- 31.8
- 32
- 32.2
- 32.3
- 32.5
- 32.6
- 32.7
- 32.8
- 33
- 33.3
- 33.5
- 33.8
- 34
- 34.1
- 34.3
- 34.4
- 34.5
- 35
- 35.6
- 36
- 36.1
- 36.5
- 36.8
- 37
- 37.2
- 37.4
- 37.5
- 37.8
- 38
- 38.1
- 38.2
- 38.5
- 38.6
- 39
- 39.2
- 39.4
- 39.5
- 39.7
- 40
- 40.5
- 41
- 41.3
- 41.8
- 42
- 42.2
- 43
- 43.2
- 43.4
- 43.5
- 43.6
- 44
- 44.2
- 44.5
- 44.7
- 44.8
- 45
- 45.2
- 45.5
- 46
- 46.6
- 47
- 47.6
- 48
- 48.4
- 49
- 49.2
- 49.4
- 49.7
- 50
- 50.2
- 50.6
- 50.8
- 51
- 51.2
- 51.3
- 52
- 52.8
- 53
- 53.2
- 53.4
- 53.6
- 54
- 54.1
- 54.3
- 54.4
- 54.5
- 54.6
- 55
- 55.5
- 56
- 56.2
- 56.5
- 56.6
- 56.9
- 57
- 57.4
- 58
- 58.2
- 58.5
- 58.6
- 59
- 59.7
- 59.8
- 59.9
- 60
- 60.4
- 60.5
- 61
- 61.2
- 62
- 63
- 63.4
- 63.5
- 63.6
- 63.7
- 63.8
- 64
- 64.8
- 65
- 65.6
- 65.8
- 66
- 66.6
- 66.8
- 67
- 67.1
- 67.5
- 68
- 68.3
- 68.5
- 68.6
- 68.7
- 68.8
- 69.5
- 69.6
- 69.8
- 70
- 70.5
- 70.6
- 70.7
- 71
- 71.2
- 71.4
- 72
- 72.4
- 73
- 73.3
- 74
- 74.4
- 74.8
- 75
- 75.6
- 76.2
- 77
- 77.6
- 77.8
- 78
- 78.2
- 78.8
- 79.5
- 79.8
- 80
- 80.8
- 81
- 82
- 82.5
- 82.6
- 83
- 83.6
- 84
- 84.7
- 85
- 85.2
- 85.5
- 85.6
- 86
- 86.1
- 86.6
- 88
- 89.3
- 89.5
- 89.6
- 89.8
- 89.9
- 90
- 90.5
- 90.8
- 91
- 92
- 93.6
- 93.9
- 94
- 95
- 95.6
- 96
- 97
- 97.2
- 98
- 98.4
- 98.5
- 98.6
- 99
- 99.2
- 99.6
- 100
- 100.2
- 100.4
- 101
- 101.6
- 102
- 102.5
- 104
- 104.4
- 105.8
- 106
- 107.3
- 107.6
- 108
- 109
- 110
- 111
- 111.2
- 112.8
- 113
- 114
- 115
- 115.6
- 117.6
- 118.4
- 118.8
- 119.6
- 120
- 120.8
- 121
- 123.6
- 124
- 125
- 126
- 126.6
- 127
- 129
- 129.6
- 130
- 130.2
- 131
- 131.2
- 131.7
- 136.4
- 137.6
- 138
- 139.7
- 140
- 141
- 143.0
- 143.6
- 144
- 144.2
- 146
- 147
- 150
- 150.6
- 151.7
- 153.0
- 154
- 154.6
- 156.4
- 159.0
- 159.6
- 160
- 164
- 164.6
- 165
- 166.2
- 168.9
- 170.6
- 174.0
- 176
- 178.4
- 180.8
- 182.8
- 186.8
- 191.6
- 192.4
- 193
- 194.0
- 195.0
- 200
- 201.7
- 208.8
- 209.2
- 210.6
- 216
- 216.6
- 217
- 218
- 222.6
- 223
- 227.0
- 230.4
- 238
- 241.2
- 241.4
- 247.0
- 249.4
- 250.6
- 251.0
- 251.6
- 260
- 266.7
- 267.0
- 286.8
- 289.6
- 289.8
- 290
- 293.9
- 297.0
- 304.8
- 307.0
- 327.2
- 328.6
- 335
- 337.2
- 338.6
- 339.7
- 355.6
- 377
- 381.0
- 382.0
- 382.4
- 391
- 421
- 435.4
- 447.8
- 477.8
- 607
-
Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
-
Allowable Torque Range(N•m)
-
Features
-
Allowable Misalignment
-
Not Provided -
Angular Misalignment -
Eccentricity -
Axial Misalignment
-
-
Max. Rotational Speed Range(r/min)
-
Body Material
- Stainless Steel
- Steel
- Aluminum
- Alloy
- Plastic
- Aluminum Alloy
-
Allowable Torque(N•m)
-
Allowable Angular Misalignment(deg)
-
Allowable Lateral Misalignment(mm)
-
Product Category
- Coupling Main Body
- Maintenance Components
-
Allowable Lateral Misalignment Range(mm)
-
Max. Rotational Speed(r/min)
-
Buffer Material
-
Disc Material
-
Bellows Material
-
Cleaning Method
- Degreasing
- Precision Cleaning
-
Characteristics/Applications
-
Environmentally friendly
- RoHS Compliant (10 Substances)
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Type
|
|
|---|---|
Brand |
|
| CAD |
|
| Days to Ship |
|
- 9 items
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Plastic Coupling - Set Screw, Short
MISUMI
- Plastic Coupling with set screw, MCJN / MCJSN type from MISUMI.
- Economical couplings for low torque applications. Suitable for encoders and potentiometers where little torque is required.
- Operating Temperature: -20°C ~ 80°C.
- 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 be half.
- Material: MCJN (Glass Fiber Reinforced PBT Resin), MCJSN (PBT Resin)Days to Ship: 
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
ADVANCED
· Compared to UJ, the slit part is longer and the allowable misalignment amount when using alone is improved
· Single item easily absorbs curves and misalignment
· Smooth rotary transmission in a compact design
· For rotation transmission parts that require electric insulationFrom: ฿ 345.12 Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025KAYSEVEN
· K-7 coupling MD series - Oldham Type.
· MD series Oldham Couplings structure Consists of three parts :2 hubs and 1 torque disc.
· Application: Robot, Various pumps, Blower, Printing machine, NC-MC machine tool and Conveyor.
· As K-7 standard specifications, 12 MD types from MD-35 to MD-160M are available.
· MD series Body material is aluminum alloy.
· Torque disc material: Polyacetal resin.
· Torque discs are made of resin and do not need to be lubricated.
· Operating environment Temperature Range: -40 to 85 °C
· Assembly and replacement of intermediate torque transmission members are easy.From: ฿ 195.25 Special Price Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
MSXP-C Clean, Vacuum, Heat-Resistance Support Coupling - Slit Type (PEEK) - Clamping Type
NBK
A clean specification coupling with excellent electrical insulation.
[Features]
· A resin spring coupling with a completely integrated structure that has slits in the cylindrical material.
· Can be used in FPD manufacturing equipment and other environments that require heat and chemical resistance or in clean rooms.
· Uses PEEK, which has excellent physical and chemical properties.
· The amount of outgas is extremely small.
· The leaf spring formed by the slit allows eccentricity, declination and end play.
[Application]
· For FPD manufacturing equipment/semiconductor manufacturing equipment, etc.From: ฿ 3,507.00 Days to Ship:
8 Day(s)
8 Day(s)
-
You can add up to 6 items per a category to the compare list.
ADVANCED
· Miniature coupling making full use of engineered plastic fatigue resistance
· It has excellent resistance to bending fatigue as compared with metals such as aluminum alloys, realizing light and smooth rotation transmission
· For light load transmission such as those from rotary switches, encoders, or small motors
· For rotation transmission parts that require electric insulationFrom: ฿ 345.12 Days to Ship:
3 Day(s)
3 Day(s)
-
You can add up to 6 items per a category to the compare list.
KAYSEVEN
Zero backlash, absorbs eccentricity, no reaction force, small and high performance coupling.
[Features]
· Consisting of 3 parts namely 2 hub members and an intermediate torque transmission member, assembly and replacement of the intermediate torque transmission member are easy.
· Absorbs misalignment with new mechanism. There is no reaction force and vibration is shut off.
· Seeks zero backlash through advanced manufacturing management, and there is no need for skilled centering work.
· A unique design that greatly increases the contact surface between the transmitter and the hub, and is compact and has improved torsional strength.
· The uniquely shaped transmitter has been reduced in thickness and weight to achieve a low-inertia mechanism that can withstand high-speed rotation.
[Applications]
· For specifications of robots, office automation equipment, XY tables, medical equipment, packaging machines, machine tools, etc.
· For machines and devices that need to transmit the rotation of servo motors, encoders, and stepper motors with high-accuracy.From: ฿ 189.20 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
KAYSEVEN
Compact, simple structure, with easy to absorb eccentricity and centering. Widely used in robots, resin molding materials, conveying equipment, printing machines, machine tools, and pumps etc.
[Features]
· Compact and simple structure.
· Like the MD series, it consists of three parts, the hub parts and an intermediate torque transmission part.
· Oldham type coupling absorbs eccentric misalignment.
· Dial gauge is not necessary for centering work at installation.
· Visual observation is sufficient.
· The intermediate torque transmission part is made of resin, and so does not require lubricant.
· No reactive force due to misalignment, contributing to energy conservation, with assembly and installation easy.
· Simple structure, and even in the event of damage to the intermediate transmission part, power transmission is possible.
· Thermally and electrically insulated by the intermediate transmission part.
· Friction joint employed for fastening to shaft.From: ฿ 255.72 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
From: ฿ 471.67 Days to Ship:
2 Day(s)
2 Day(s)
-
You can add up to 6 items per a category to the compare list.
ADVANCED
· The soft coupling helps reduce the rotational energy loss
· Soft yet with high torque rigidity and low rotation angle error
· Select from two types of resin material by softness and torque properties
· Features a mechanism in which torque is low on the motive side, making it effective for use when accurate and stable rotations are required.
· A highly reliable specification with approx. 10 times longer rotational life compared to UJ and GJ types
· Withstand Voltage 1,000 VFrom: ฿ 535.60 Days to Ship:
8 Day(s)
8 Day(s)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| Type |
| Shaft Bore Dia. (machined) D1(Ø) |
| Shaft Bore Dia. (machined) D2(Ø) |
| Outer Dia. A(Ø) |
| Overall Length W(mm) |
| Application |
| Allowable Torque Range(N•m) |
| Features |
| Allowable Misalignment |
| Max. Rotational Speed Range(r/min) |
| Body Material |
| Allowable Torque(N•m) |
| Allowable Angular Misalignment(deg) |
| Allowable Lateral Misalignment(mm) |
| Product Category |
| Allowable Lateral Misalignment Range(mm) |
| Max. Rotational Speed(r/min) |
| Buffer Material |
| Disc Material |
| Bellows Material |
| Cleaning Method |
| Characteristics/Applications |
| Environmentally friendly |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | MISUMI | ADVANCED | KAYSEVEN | NBK | ADVANCED | KAYSEVEN | KAYSEVEN | KOYO ELECTRONIC | ADVANCED |
| Product Series | MSXP-C Clean, Vacuum, Heat-Resistance Support Coupling - Slit Type (PEEK) - Clamping Type | ||||||||
| CAD |
|
| |||||||
| From | ฿ 345.12 | ฿ 195.25 Special Price On Sale Until 31/03/2025 | ฿ 3,507.00 | ฿ 345.12 | ฿ 189.20 | ฿ 255.72 | ฿ 471.67 | ฿ 535.60 | |
| Days to Ship | 5 Day(s) | Same day | 5 Day(s) | 8 Day(s) | 3 Day(s) | 5 Day(s) | 5 Day(s) | 2 Day(s) | 8 Day(s) |
| Type | Slit | Disc | Oldham | Slit | Disc | Oldham | Jaw | Slit | Disc |
| Shaft Bore Dia. (machined) D1(Ø) | 1.5 ～ 12 | 1.5 ～ 12 | - | 6 ～ 15 | 2 ～ 8 | - | - | 6 ～ 10 | 3 ～ 12 |
| Shaft Bore Dia. (machined) D2(Ø) | 1.5 ～ 12 | 1.5 ～ 12 | - | 8 ～ 15 | 2 ～ 8 | - | - | 6 ～ 10 | 3 ～ 12 |
| Outer Dia. A(Ø) | 8 ～ 28 | 9 ～ 28 | 35 ～ 160 | 25 ～ 36 | 8 ～ 18 | 17.5 ～ 25.5 | 56 ～ 150 | 15 ～ 22 | 22 ～ 28 |
| Overall Length W(mm) | 9 ～ 34.4 | 11.4 ～ 34.4 | - | 25 ～ 35 | 9 ～ 18 | - | 20 ～ 25 | 22 ～ 26 | 22.2 ～ 32 |
| Application | Encoder | Standard | Standard | Standard | Standard / Encoder | Standard | Standard | Encoder | Standard |
| Allowable Torque Range(N•m) | 0.05~1.00 | 0.05~1.00 ～ 1.01~3.00 | - | 0.05~1.00 ～ 1.01~3.00 | 0.05~1.00 | - | - | 0.05~1.00 ～ 1.01~3.00 | 0.05~1.00 ～ 1.01~3.00 |
| Features | Low Moment of Inertia ～ No Backlash | No Backlash | Small ～ Vibration Insulation | Clean Environment ～ Vacuum Environment | No Backlash ～ Small | - | Small | - | High Durability ～ No Backlash |
| Allowable Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment | Not Provided | Angular Misalignment / Eccentricity / Axial Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment | Not Provided | Not Provided | Angular Misalignment / Eccentricity / Axial Misalignment | Angular Misalignment / Eccentricity / Axial Misalignment |
| Max. Rotational Speed Range(r/min) | 2001~4000 ～ 10001~78000 | 2001~4000 ～ 10001~78000 | - | 10001~78000 | 2001~4000 ～ 4001~10000 | - | - | 4001~10000 | 4001~10000 ～ 10001~78000 |
| Body Material | Plastic | Plastic | Plastic | Plastic | Plastic | Plastic | Plastic | Plastic | Plastic |
| Allowable Torque(N•m) | 0.05 ～ 0.8 | 0.16 ～ 3 | - | 0.7 ～ 1.5 | 0.1 ～ 0.9 | - | - | 0.8 ～ 2 | 1 ～ 3 |
| Allowable Angular Misalignment(deg) | 2 ～ 2.5 | 3 ～ 5 | - | 0.5 | 3 ～ 5 | - | - | 5 | 4 ～ 6 |
| Allowable Lateral Misalignment(mm) | 0.05 ～ 0.2 | 0.2 ～ 0.5 | - | 0.05 | 0.05 ～ 0.2 | - | - | 0.5 | 0.4 ～ 0.6 |
| Product Category | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body |
| Allowable Lateral Misalignment Range(mm) | 0.02~0.2 | 0.02~0.2 ～ 0.41~1.0 | - | 0.02~0.2 | 0.02~0.2 | - | - | 0.41~1.0 | 0.21~0.40 ～ 0.41~1.0 |
| Max. Rotational Speed(r/min) | 4000 ～ 12000 | 4000 ～ 12000 | - | 17000 ～ 25000 | 4000 ～ 6000 | - | - | 6000 ～ 10000 | 8000 ～ 12000 |
| Buffer Material | - | - | Polyacetal | - | - | Polyacetal | - | - | - |
| Disc Material | - | Glass Fiber Reinforced Resin | - | - | Glass Fiber Reinforced Resin / Polyacetal | - | - | - | Glass Fiber Reinforced Resin / Polyacetal |
| Bellows Material | - | - | - | - | - | - | - | - | - |
| Cleaning Method | - | - | - | - | - | - | - | - | - |
| Characteristics/Applications | - | - | - | - | - | - | - | - | - |
| Environmentally friendly | - | - | - | - | - | - | - | - | - |
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Related Categories to Flexible Shaft Couplings
FAQ Flexible Shaft Couplings
- Question: What are the different types of flexible Shaft Couplings?
- Answer: There are several types of flexible Shaft Couplings, including beam, bellows, jaw, Oldham, disc, diaphragm, and gear couplings. Each type has unique features and benefits that make them suitable for different applications and environments. Flexible Shaft Couplings are used to connect two shafts and allow for misalignment while transmitting torque between them.
- Question: What factors should be considered when selecting a flexible Shaft Couplings?
- Answer: The factor for selecting a flexible coupling, there are several factors that should be considered, including the required torque capacity, misalignment capability, operating speed, and environmental factors such as temperature and humidity. Other considerations include the required degree of axial and radial stiffness, the space available for the coupling, and the type of equipment being connected. It is also important to consider the potential for wear and tear, maintenance requirements, and the cost of the coupling.
- Question: How is a flexible Shaft Couplings installed and maintained?
- Answer: Shaft Couplings are installed by aligning the shafts and tightening the screws or bolts. Maintenance involves regular inspections for signs of wear, damage, or misalignment. Lubrication is important to prevent excessive wear and reduce friction. Cleaning and tightening of bolts and screws are also necessary to ensure proper operation.
- Question: What is the difference between a flexible coupling and a rigid coupling?
- Answer: A flexible coupling allows for some misalignment between two connected shafts while transmitting torque, while a rigid coupling does not allow for any misalignment. Flexible Shaft Couplings are designed to absorb shock and vibration, which can help reduce wear and tear on connected equipment. Rigid couplings, on the other hand, are used in applications where precise alignment between shafts is critical, such as in high-speed rotating equipment or precision machinery.
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