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Flexible Shaft Couplings（Features：Low Moment of Inertia Page2）

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.

Type

Slit
Disc
Oldham
Jaw
Bellows
Others
Vibration Damping Rubber Type

65 items

: 30; 45; 60

Star FlexALS-Y

MIKI PULLEY

· ALS-Y models High performance STARFLEX PULLEY MIKI.
· Shaft Tightening Method: Set Screw Type
· Application: Encoder, Stepping Motor.
· Hub material: Aluminum Alloy.
· Spacer Element material: Polyurethane elastomer.
· Accessories: Hexagon head set screw material: Alloy steel use Surface finishing is Black coating.
· Nominal torque: : 1.2 to 310 [N.m].
· Operating Temperature Range: -30 to 80 °C
· These are JIS A tight-fit models that have a shore hardness of 90 and are equipped with a good balance of torque transmission performance, flexibility, and responsiveness.

CAD ：: 2D

Standard Price:	SGD 4.99-
Days to Ship:	12 Day(s) or more

Servo flexible, SFS

MIKI PULLEY

Using carbon steel for the main body material, with very precise adjustment and high rigidity.

[Features]
· Torsional rigidity is extremely high, accurate shaft rotation, super precision control is possible.
· Since all power transmission is transmitted by friction coupling, there is no backlash.
· SFS-SS/ DS type is shipped from the factory as an assembled finished product.

CAD ：: 2D

Standard Price:	SGD 193.56-
Days to Ship:	4 Day(s) or more

Precision Shaft Fitting Leaf Spring Type LAD-C Series

SAKAI MANUFACTURING

Non-backlash structure enables highly accurate rotational transmission

[Features]
· Excellent flexibility, highly accurate rotational transmission through synergistic effect of double bolt clamp specification and non-backlash structure.

CAD ：: 2D / 3D

Standard Price:	SGD 48.25-
Days to Ship:	4 Day(s) or more

K-7 Coupling SD Series

KAYSEVEN

Compact, high-performance eccentricity absorbing, non-reactive force product with no backlash. Widely used in robots, medical equipment, packaging machinery, and machine tools etc.

Standard Price:	SGD 37.93-
Days to Ship:	4 Day(s) or more

Disc Couplings - High Rigidity (O.D. 65), Keyless Clamping, for Servo Motors

MISUMI

A highly rigid flexible coupling by devising the disc fastening part.
[Features]
· Standardized 4 model 45 sizes from shaft diameter φ12 (diameter 12 mm) to φ60 (diameter 60 mm).
· High twist rigidity due to the disc fastening part.
· Allows declination and end play.
· The moment of inertia is smaller than that of other companies.
[Use]
· Machine tools, precision stages, etc.

CAD ：

2D / 3D

Days to Ship: 5 Day(s) or more
Sleeved Couplings - Sleeved Set Screw

MISUMI

The torque is conveyed by the serrations engagement on the sleeve. A flexible coupling with a simple structure.

CAD ：

2D / 3D

Days to Ship: 6 Day(s) or more

Days to Ship:	5 Day(s) or more

Days to Ship:	6 Day(s) or more

[Clean & Pack]Coupling - Slit, Clamping, Short/Long

MISUMI

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

· Degreasing (Anti-rust single packing)	: Part Number SL-□□
· Precision cleaning (Degassing double packing)	: Part Number SH-□□
· Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-Rust Packing	Oil removal	General Environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision Cleaning	Degassing Double Packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing Double Packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

A coupling that has a completely integrated structure with a slit cylindrical material.
[Features]
· 0 backlash.
· Short. All stainless steel type is also standardized.
·A metal spring coupling that has a completely integrated structure with a slit cylindrical material.
·A slit leaf spring allows for angular and axial misalignment.
[Applications]
·For transfer mechanism, XY stages, parts feeders, etc.

CAD ：: 2D / 3D

Days to Ship:	10 Day(s) or more

Precision Shaft Fitting, Leaf Spring Type LAS-C Series

SAKAI MANUFACTURING

Non-backlash structure with excellent control response

[Features]
· Suitable for control responsiveness and accuracy improvement, through synergistic effect of high rigidity and double bolt clap specification, and non-back side structure.

CAD ：: 2D / 3D

Standard Price:	SGD 43.79-
Days to Ship:	4 Day(s) or more

Precision Shaft Fitting, Leaf Spring Type LCD-B Series

SAKAI MANUFACTURING

Streamlined body with low inertia specification

[Features]
· Streamlined body with low inertia specification.
· Excellent flexibility, with high accuracy rotation possible.

CAD ：: 2D / 3D

Standard Price:	SGD 125.83-
Days to Ship:	4 Day(s) or more

Precision Axial Fitting-Spring Type, TAS-C Series

SAKAI MANUFACTURING

Single leaf spring type high rigidity, lightweight type

[Features]
· Single leaf spring type in pursuit of improved of accuracy and control responsiveness, through rigid and lightweight body.

CAD ：: 2D / 3D

Standard Price:	SGD 94.92-
Days to Ship:	10 Day(s) or more

Precision Axial Fitting Plate-Spring Type, TAD-C Series

SAKAI MANUFACTURING

Lightweight super Duralumin, high rigidity type.

[Features]
· Lightweight super Duralumin, improving torque transmission with high rigidity body, and original leaf spring for both performance up and cost down.

CAD ：: 2D / 3D

Standard Price:	SGD 115.98-
Days to Ship:	10 Day(s) or more

Miniature Bellows Coupling MBC Series

MIGHTY

[Features]
・Zero backlash
・High rigidity, flexibly supports eccentricity, declination, and axial displacement
・Supports high-speed rotation (usually 10,000 RPM)
・Movable parts None
・Low moment of inertia
・Inner diameter Φ3 to Φ20
・Torque 1.0Nm to 12.5Nm
[Applications]
・Places that require high speed rotation
・High resolution, position Places where reproducibility is required - High-speed servo motors, pulse motors, scanners, positioning devices, meter measurement valves, etc.

Standard Price:	SGD 137.22-
Days to Ship:	12 Day(s) or more

Miniature Bellows Coupling MB Series

MIGHTY

Standard Price:	SGD 145.75-
Days to Ship:	12 Day(s) or more

Jaw Coupling -Set Screw Type- [SJC-14-GR]

SUNGIL

Jaw type coupling with excellent backlash durability and high torsional rigidity.
[Features]
·No maintenance, no lubrication, elastic spider is Pitload's shock-reducing shaft coupling.
·Same forward/reverse rotation characteristics, good oil resistance and electrical insulation.
·Balancing is optimized by machining the inner diameter of the hub.
[Applications]
·Ideal for transmission equipment, position control/positioning tables, robot systems, medical equipment, and servo motors.

CAD ：: 2D / 3D

Standard Price:	SGD 62.00-
Days to Ship:	10 Day(s)

Disc Couplings - High Rigidity (O.D. 40) / Keyless Clamping, Keywayed Bore, for Servo Motors

MISUMI

[Features]·It has a compact size, and the high stiffness surface pressure and keyway can be selected.

CAD ：

2D / 3D

Days to Ship: 6 Day(s) or more
Oldham Couplings - Super Short Clamping

MISUMI

This coupling has a larger allowable torque and a shorter overall length than conventional products.

CAD ：

2D / 3D

Days to Ship: 5 Day(s) or more

Days to Ship:	6 Day(s) or more

Days to Ship:	5 Day(s) or more

[Clean & Pack]Coupling - Slit, Set Screw, Short/Long

MISUMI

■Part Number for Clean & Pack Products

· Degreasing (Anti-rust single packing)	: Part Number SL-□□
· Precision cleaning (Degassing double packing)	: Part Number SH-□□
· Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-Rust Packing	Oil removal	General Environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision Cleaning	Degassing Double Packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing Double Packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

An all-stainless steel type with "0" backlash has also been standardized.
[Features]
·A metal spring coupling that has a completely integrated structure with a slit cylindrical material.
·A slit leaf spring allows for lateral, angular, and axial misalignment.
[Applications]
·For transfer mechanism, XY stages, parts feeders, etc.

CAD ：: 2D / 3D

Days to Ship:	10 Day(s) or more

On Sale Till 31/03/2025

MC Coupling Set Screw Type

ORIENTAL MOTOR

Low backlash of 0, and low moment of inertia specification

[Features]
· Backlash 0.
· High torsional rigidity and excellent responsiveness.
· Low inertia.

Standard Price:	SGD 56.70
	Special Price
Days to Ship:	Same day

Helical Slit Type Coupling - Set Screw Type

SCH

Product that combines high rigidity with excellent flexibility. Set screw type product suitable for use with servomotor / stepping motor. SC is a coupling manufacturer established in 1987 With factories located in Taiwan, from manufacturing to sales, establishing a reliable production line. With large overseas exports, this manufacturer is highly rated in Asia, Southeast Asia and Europe.

CAD ：: 2D

Standard Price:	SGD 15.83-
Days to Ship:	6 Day(s)

Cushion Type Coupling QJ/QJU

ADVANCED

· Zero Backlash
· Absorbing Vibration and Noise
· The cushion has a pipe shape, high flexibility and long life
· A cushioning material with either high or low torsional rigidity selectable.
· Hub uses an aluminum die cast material for low moment of inertia

Standard Price:	SGD 57.46-
Days to Ship:	9 Day(s) or more


Brand
Product Series
CAD
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

																		On Sale Till 31/03/2025
Brand	MIKI PULLEY	MIKI PULLEY	SAKAI MANUFACTURING	KAYSEVEN	MISUMI	MISUMI	MISUMI	SAKAI MANUFACTURING	SAKAI MANUFACTURING	SAKAI MANUFACTURING	SAKAI MANUFACTURING	MIGHTY	MIGHTY	SUNGIL	MISUMI	MISUMI	MISUMI	ORIENTAL MOTOR	SCH	ADVANCED
Product Series	Star FlexALS-Y	Servo flexible, SFS	Precision Shaft Fitting Leaf Spring Type LAD-C Series	K-7 Coupling SD Series	Disc Couplings - High Rigidity (O.D. 65), Keyless Clamping, for Servo Motors	Sleeved Couplings - Sleeved Set Screw	[Clean & Pack]Coupling - Slit, Clamping, Short/Long	Precision Shaft Fitting, Leaf Spring Type LAS-C Series	Precision Shaft Fitting, Leaf Spring Type LCD-B Series	Precision Axial Fitting-Spring Type, TAS-C Series	Precision Axial Fitting Plate-Spring Type, TAD-C Series	Miniature Bellows Coupling MBC Series	Miniature Bellows Coupling MB Series	Jaw Coupling -Set Screw Type- [SJC-14-GR]	Disc Couplings - High Rigidity (O.D. 40) / Keyless Clamping, Keywayed Bore, for Servo Motors	Oldham Couplings - Super Short Clamping	[Clean & Pack]Coupling - Slit, Set Screw, Short/Long	MC Coupling Set Screw Type	Helical Slit Type Coupling - Set Screw Type	Cushion Type Coupling QJ/QJU
CAD	2D	2D	2D / 3D		2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D			2D / 3D	2D / 3D	2D / 3D	2D / 3D		2D
Days to Ship	12 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	5 Day(s) or more	6 Day(s) or more	10 Day(s) or more	4 Day(s) or more	4 Day(s) or more	10 Day(s) or more	10 Day(s) or more	12 Day(s) or more	12 Day(s) or more	10 Day(s)	6 Day(s) or more	5 Day(s) or more	10 Day(s) or more	Same day	6 Day(s)	9 Day(s) or more
Type	Jaw	Disc	Disc	Oldham	Disc	Oldham	-	Disc	Disc	Disc	Disc	Bellows	Bellows	Jaw	Disc	Oldham	-	Slit	Slit	Jaw
Shaft Bore Dia. (machined) D1(Ø)	3 ～ 60	10 ～ 40	3 ～ 24	3 ～ 9525	15 ～ 35	3 ～ 14	4 ～ 16	3 ～ 24	10 ～ 40	10 ～ 25	10 ～ 25	5 ～ 20	5 ～ 14	12 ～ 55	10 ～ 16	3 ～ 10	2 ～ 18	5	4 ～ 12	12 ～ 40
Shaft Bore Dia. (machined) D2(Ø)	3 ～ 60	12 ～ 55	3 ～ 24	3 ～ 10	15 ～ 35	3 ～ 14	4 ～ 16	3 ～ 24	10 ～ 40	12 ～ 35	12 ～ 32	8 ～ 20	8 ～ 20	12 ～ 55	10 ～ 16	3 ～ 10	2 ～ 18	5	4 ～ 12	12 ～ 40
Outer Dia. A(Ø)	14 ～ 105	56 ～ 144	12 ～ 48	17.5 ～ 25.5	65	16 ～ 32	12 ～ 40	12 ～ 48	45 ～ 100	48 ～ 65	48 ～ 65	20 ～ 41	26 ～ 41	30 ～ 95	40	12 ～ 25	8 ～ 40	20	16 ～ 25	45 ～ 95
Overall Length W(mm)	22 ～ 140	45 ～ 170.6	15.8 ～ 52	24.9 ～ 32	-	27 ～ 48	14 ～ 56	12.4 ～ 38.6	52 ～ 109	41.8 ～ 54.5	56.5 ～ 72	37.5 ～ 70.7	37.5 ～ 70.7	35 ～ 126	39.4 ～ 53	13.5 ～ 22.5	10 ～ 56	26	16 ～ 31	48 ～ 100
Application	Standard / Servo Motor / Stepping Motor / Encoder	Servo Motor	Standard / Servo Motor / Stepping Motor / Encoder	Standard	Servo Motor	Standard	Standard	Standard / Servo Motor / Stepping Motor / Encoder	Standard / Servo Motor / Stepping Motor	Standard / Servo Motor / Stepping Motor	Standard / Servo Motor / Stepping Motor	Standard / Servo Motor / Stepping Motor / Encoder	Standard / Servo Motor / Stepping Motor / Encoder	Standard / Servo Motor / Stepping Motor / Encoder	Servo Motor	Standard	Standard	Standard / Stepping Motor	Standard / Servo Motor / Stepping Motor	Standard
Allowable Torque Range(N•m)	0.05~1.00 ～ 100 < 500	10.01~20.00 ～ 500 < 1000	0.05~1.00 ～ 10.01~20.00	1.01~3.00 ～ 3.01~5.00	-	0.05~1.00 ～ 1.01~3.00	0.05~1.00 ～ 5.01~10.00	0.05~1.00 ～ 10.01~20.00	10.01~20.00 ～ 100 < 500	20.01~50.00 ～ 50.01~100.00	20.01~50.00 ～ 50.01~100.00	1.01~3.00 ～ 10.01~20.00	3.01~5.00 ～ 10.01~20.00	20.01~50.00 ～ 100 < 500	5.01~10.00	0.05~1.00 ～ 1.01~3.00	0.05~1.00 ～ 5.01~10.00	0.05~1.00	0.05~1.00 ～ 3.01~5.00	5.01~10.00 ～ 100 < 500
Features	Low Moment of Inertia ～ Vibration Insulation	High Accuracy ～ Unfinished Shaft Bore	High Torsional Rigidity ～ Low Moment of Inertia	Low Moment of Inertia ～ Vibration Insulation	High Torque ～ No Backlash	Low Moment of Inertia	Low Moment of Inertia ～ No Backlash	High Torsional Rigidity ～ Low Moment of Inertia	High Torque ～ Low Moment of Inertia	High Accuracy ～ Low Moment of Inertia	High Accuracy ～ Low Moment of Inertia	High Accuracy ～ Small	High Accuracy ～ Small	High Durability ～ No Backlash	High Torque ～ Small	Low Moment of Inertia ～ Small	Low Moment of Inertia ～ No Backlash	High Torsional Rigidity ～ No Backlash	Low Moment of Inertia ～ Small	High Torsional Rigidity ～ Vibration Insulation
Allowable Misalignment	Not Provided / Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Not Provided	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity	Angular Misalignment / Eccentricity	-	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity	Angular Misalignment / Eccentricity / Axial Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	-	Angular Misalignment / Eccentricity
Max. Rotational Speed Range(r/min)	4001~10000 ～ 10001~78000	2001~4000 ～ 10001~78000	4001~10000	4001~10000 ～ 10001~78000	4001~10000	10001~78000	2001~4000 ～ 4001~10000	4001~10000	4001~10000	4001~10000	4001~10000	4001~10000	4001~10000	4001~10000 ～ 10001~78000	4001~10000	4001~10000 ～ 10001~78000	2001~4000 ～ 4001~10000	-	10001~78000	2001~4000 ～ 4001~10000
Body Material	Aluminum	Steel	Aluminum	Aluminum	Aluminum	Alloy	-	Aluminum	Steel	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	-	Aluminum	Aluminum	Aluminum
Allowable Torque(N•m)	0.31 ～ 310	20 ～ 800	0.25 ～ 12	1.76 ～ 3.67	-	0.5 ～ 3	0.3 ～ 8	0.25 ～ 12	12 ～ 250	35 ～ 80	35 ～ 80	1.6 ～ 12.5	3.2 ～ 12.5	25 ～ 900	6	0.3 ～ 1.6	0.2 ～ 8	1	1 ～ 3.2	10 ～ 150
Allowable Angular Misalignment(deg)	1	1 ～ 2	0.5 ～ 1	-	0.6	2	1 ～ 2	0.5 ～ 1	1	1	1	1.3 ～ 8	1.8 ～ 2.5	1	1	1.5	1 ～ 2	2	5	1 ～ 2
Allowable Lateral Misalignment(mm)	0.1 ～ 0.2	0.2 ～ 0.9	0.03 ～ 0.23	-	0.2	0.2	0.1 ～ 0.2	0.01 ～ 0.02	0.23 ～ 0.47	0.02	0.26 ～ 0.31	0.06 ～ 1	0.06 ～ 0.5	0.1	0.2	0.3 ～ 1.2	0.1 ～ 0.2	0.1	0.25	0.1 ～ 0.4
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	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 ～ 0.21~0.40	-	0.02~0.2	0.02~0.2	0.02~0.2	0.02~0.2	0.21~0.40 ～ 0.41~1.0	0.02~0.2	0.21~0.40	0.02~0.2 ～ 0.41~1.0	0.02~0.2 ～ 0.41~1.0	0.02~0.2	0.02~0.2	0.21~0.40 ～ 1.1~3.0	0.02~0.2	0.02~0.2	0.21~0.40	0.02~0.2 ～ 0.21~0.40
Max. Rotational Speed(r/min)	4500 ～ 34100	3800 ～ 25000	10000	10000 ～ 15000	8000	19000 ～ 39000	15000 ～ 52000	10000	10000	10000	10000	10000	10000	4800 ～ 15900	10000	5000 ～ 12000	15000 ～ 78000	-	25000	3000 ～ 6000
Buffer Material	Polyurethane	-	-	Polyacetal	-	-	-	-	-	-	-	-	-	Polyurethane	-	Polyacetal	-	-	-	Polyurethane / Nylon
Disc Material	-	Stainless Steel	Stainless Steel	-	Stainless Steel	-	-	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	-	-	-	Stainless Steel	-	-	-	-	-
Bellows Material	-	-	-	-	-	-	-	-	-	-	-	Others	Others	-	-	-	-	-	-	-
Cleaning Method	-	-	-	-	-	-	Degreasing / Precision Cleaning	-	-	-	-	-	-	-	-	-	Degreasing / Precision Cleaning	-	-	-
Characteristics/Applications	-	-	-	-	-	-	Clean washed ～ Vacuum	-	-	-	-	-	-	-	-	-	Clean washed ～ Vacuum	-	-	-
Environmentally friendly	-	-	-	-	-	-	RoHS Compliant (10 Substances)	-	-	-	-	-	-	-	-	-	RoHS Compliant (10 Substances)	-	-	-

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
1

1.5

2

2.5

3

3.17

3.2

4

4.5

4.76

5

6

6.35

7

7.93

8

9

9.5

9.52

9.525

9.53

10

11

12

12.7

13

14

15

15.875

16

17

18

19

20

20.5

21

22

23

24

25

25.4

26

27

28

29

30

30.5

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

58

60

65

70

75

80

0635

09525
[3-5/1Ø Unit(s)]
Drawing

Clear

Shaft Bore Dia. (machined) D2(Ø)
1

1.5

2

2.4

2.5

3

3.17

3.2

4

4.5

4.76

5

6

6.35

7

7.93

8

9

9.252

9.5

9.52

9.525

9.53

10

11

12

12.7

13

14

15

15.875

16

17

18

19

20

21

22

23

24

25

25.4

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

58

60

65

70

75

80
Drawing

Clear

Outer Dia. A(Ø)
6

6.4

8

9

9.5

10

12

12.7

13

13.5

14

14.5

15

15.5

16

16.1

16.5

16.6

16.8

17

17.5

18

19

19.1

19.5

20

21

22

22.2

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

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

160

161

168

170

178

185

190

194

200

210

214

225

246

262

276

308

346
Drawing

Clear

Overall Length W(mm)
5.1

7.3

8.4

9

9.4

9.6

10

10.2

10.5

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

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

53.4

53.6

54

54.1

54.3

54.4

54.5

54.6

55

55.5

56

56.2

56.5

56.6

57

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

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

72

72.4

73

73.3

74

74.4

74.8

75

75.6

76

76.2

77

77.6

77.8

78

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

88

89.3

89.5

89.6

89.8

89.9

90

90.5

90.8

91

92

93.6

94

95

95.6

96

97.2

98

98.5

98.6

99

99.2

99.6

100

100.2

101

101.6

102

102.5

104

104.4

105.8

106

107.6

108

109

110

111

112.8

113

114

115

115.6

117.6

118

118.4

118.8

119.6

120

120.8

121

123.6

124

125

126

127

129

129.6

131

136.4

137.6

138

140

141

144

144.2

146

147

150

150.6

153.0

154.6

156.4

160

164

164.6

170.6

176

178.4

182.8

192.4

193

200

208.8

209.2

216

217

218

223

238

241.2

249.4

260

286.8

290

307.0

335

337.2

377

391

421

607
Drawing

Clear

Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
Clear

Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00

50.01~100.00

100 < 500

500 < 1000

1000 < 5000

5000 < 10000

10000 < 20000

20000 < 50000
Clear

Features
Clean Environment

Heat Resistant

High Accuracy

High Durability

High Torque

High Torsional Rigidity

Low Moment of Inertia

No Backlash

Small

Standard (Input Prohibited)

Unfinished Shaft Bore

Vacuum Environment

Vibration Insulation
Clear

Allowable Misalignment
- Not Provided
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Larger Image

Clear

Max. Rotational Speed Range(r/min)
100~ 300

1001~2000

2001~4000

4001~10000

10001~78000

78001~
Clear

Body Material
- Stainless Steel
- Steel
- Aluminum
- Alloy
- Plastic
- Aluminum Alloy
Clear

Allowable Torque(N•m)
0.05

0.06

0.08

0.1

0.12

0.147

0.15

0.16

0.18

0.196

0.2

0.21

0.22

0.25

0.3

0.31

0.343

0.35

0.392

0.4

0.42

0.5

0.54

0.55

0.6

0.65

0.7

0.7845

0.8

0.84

0.9

1

1.1

1.2

1.275

1.3

1.4

1.5

1.6

1.7

1.76

1.8

1.961

2

2.1

2.2

2.3

2.4

2.452

2.5

2.6

2.8

3

3.2

3.3

3.4

3.432

3.5

3.6

3.67

3.8

3.923

4

4.2

4.4

4.5

4.7

4.8

4.9

5

5.4

5.5

5.6

6

6.2

6.3

6.4

6.6

6.8

6.865

6.9

7

7.4

7.5

8

8.4

9

9.4

9.6

9.8

9.807

9.81

10

11

11.2

11.6

12

12.5

12.6

13

13.1

13.5

14

14.7

15

15.4

16

17

17.4

17.65

17.652

18

19

19.7

20

21

22

23

24

24.5

25

26

27

28

29

29.42

30

31

32

33

34

34.3

35

36

37.3

37.5

38

39.227

40

41

42

44

44.13

45

46

48

49

49.033

50

51

52

53.9

54

56

60

61

65

66

67

68

70

71

72

75

76

78.5

79

80

84

85

89

90

92

95

96

98.067

100

107

108

110

114

117

118

120

121

123

130

132

135

137

140

150

151

157

160

170

176

176.52

180

188

190

194

196

198

200

210

215.746

220

226

239

245

250

258

260

265

270

294

300

310

314

320

325

352

370

380

400

441

450

490

510

525

530

580

588

600

637

650

800

810

883

900

980

1000

1120

1300

1370

2000

2100

3400

4000

5000

5400

7000

8000

10000

15000

20000
Calculation of the allowable torque (or the Safety Factor, etc.) differs depending on the manufacturer. For details, see the technical data provided by the relevant manufacturer.
Clear

Allowable Angular Misalignment(deg)
0.1

0.2

0.5

0.6

0.7

1

1.2

1.3

1.4

1.5

1.6

1.8

2

2.5

3

3.5

4

5

6

8

10

14
Clear

Allowable Lateral Misalignment(mm)
0

0.01

0.02

0.03

0.04

0.05

0.06

0.08

0.09

0.1

0.11

0.12

0.14

0.15

0.17

0.18

0.2

0.22

0.23

0.24

0.25

0.26

0.27

0.28

0.3

0.31

0.32

0.33

0.34

0.35

0.36

0.38

0.4

0.44

0.45

0.46

0.47

0.48

0.5

0.51

0.52

0.54

0.55

0.6

0.63

0.64

0.68

0.7

0.8

0.82

0.84

0.9

0.91

0.92

1

1.05

1.08

1.1

1.12

1.2

1.3

1.33

1.4

1.5

1.6

1.61

1.9

2

2.1

2.3

2.4

2.5

2.6

2.8

2.9

3

3.2

3.3

3.5

3.8

4

4.5

5

6

7

8

10

12
Clear

Product Category
- Coupling Main Body
- Maintenance Components
Clear

Allowable Lateral Misalignment Range(mm)
Less than 0.02

0.02~0.2

0.21~0.40

0.41~1.0

1.1~3.0

3.1~5.0

5.1~100
Clear

Max. Rotational Speed(r/min)
7,700

14,000

16,000

17,000

18,000

20,000

24,000

27,000

30,000

40,000

250

900

2000

2200

2400

2500

2550

2800

3000

3100

3200

3400

3500

3600

3750

3800

4000

4200

4300

4400

4500

4600

4700

4800

5000

5100

5200

5250

5500

5800

5900

6000

6100

6200

6500

6800

7000

7400

7500

7600

7700

7900

8000

8200

8400

8500

8700

9000

9200

9300

9400

9500

9600

9800

10000

11000

11900

12000

13000

14000

15000

15900

16000

17000

18000

19000

20000

21000

22000

23000

23800

24000

25000

26000

27000

30000

31000

32000

33000

34100

35000

37000

39000

42000

45000

48000

52000

63000

78000

100000
Clear

Buffer Material
- Carbon Reinforced Resin
- Polyacetal
- Polyurethane
- Nylon
- Vespel
- PEEK
- Aluminum Bronze
- Others
- Urethane
- Fluororubber
Clear

Disc Material
- Stainless Steel
- Polyimide
- Carbon Fiber
- Aluminum
- Glass Fiber Reinforced Resin
- Polyacetal
Clear

Bellows Material
- Stainless Steel
- Phosphor Bronze
- Others
Clear

Cleaning Method
- Degreasing
- Precision Cleaning
Clear

Characteristics/Applications
Clean washed

Corrosion resistance/chemical resistance

Heat resistance

Low Dust Generation

Vacuum
Clear

Environmentally friendly
- RoHS Compliant (10 Substances)
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5 Day(s) or Less

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

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Flexible Shaft Couplings（Features：Low Moment of Inertia Page2）

Type

Configure

Specification/Dimensions

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

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