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Kindly be informed that it will be peak period in conjunction with the Chinese New Year festive season. Delivery pickup upon 25 January 2025 estimated would arrive after CNY holidays. Please expect slight delay for orders shipped during this peak season and we thank you for your kind understanding. [Details]
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Plastic Coupling UJ (Part Numbers)

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 insulation

Part Number

Configured Part Number is shown.

: 30; 60; 90

Part Number
UJ2-2
UJ2.5-3
UJ3-3
UJ3.2-3.2
UJ4-3
UJ4-4
UJ5-5
UJ6-2.4
UJ6-3
UJ6-3.2
UJ6-4
UJ6-5
UJ6-6
UJ8-4
UJ8-5
UJ8-6
UJ8-8

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Standard Hole Diameter d1 (Ø)	Standard Hole Diameter d2 (Ø)	Outer Diameter D (Ø)	Overall Length L (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Disc Material	Operating Temperature Range (°C)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)
MYR 52.86	1 Piece(s)	9 Day(s) or more	10	2	2	8	9	2001~4000	0.1	3	0.05	4000	Glass Fiber Reinforced Resin	-35～85	0.15	0.5x10^-8
MYR 56.86	1 Piece(s)	4 Day(s) or more	10	2.5	3	12	14.5	2001~4000	0.3	4	0.1	4000	Polyacetal	-20～60	0.2	0.4x10^-7
MYR 45.26	1 Piece(s)	4 Day(s) or more	10	3	3	12	14.5	2001~4000	0.3	4	0.1	4000	Polyacetal	-20～60	0.2	0.4x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	3.2	3.2	12	14.5	2001~4000	0.4	4	0.1	4000	Polyacetal	-20～60	0.2	0.4x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	4	3	14	15	4001~10000	0.5	5	0.1	5000	Polyacetal	-20～60	0.3	0.6x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	4	4	14	15	4001~10000	0.5	5	0.1	5000	Polyacetal	-20～60	0.3	0.6x10^-7
MYR 45.26	1 Piece(s)	4 Day(s) or more	10	5	5	14	15	4001~10000	0.6	5	0.1	5000	Polyacetal	-20～60	0.3	0.6x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	6	2.4	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	6	3	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	6	3.2	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	6	4	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 45.26	1 Piece(s)	9 Day(s) or more	10	6	5	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 49.27	1 Piece(s)	4 Day(s) or more	10	6	6	15	15.5	4001~10000	0.6	5	0.1	6000	Polyacetal	-20～60	0.3	0.8x10^-7
MYR 46.79	1 Piece(s)	9 Day(s) or more	10	8	4	18	18	4001~10000	0.9	5	0.2	6000	Glass Fiber Reinforced Resin	-35～85	0.3	2.5x10^-7
MYR 46.79	1 Piece(s)	9 Day(s) or more	10	8	5	18	18	4001~10000	0.9	5	0.2	6000	Glass Fiber Reinforced Resin	-35～85	0.3	2.5x10^-7
MYR 46.79	1 Piece(s)	9 Day(s) or more	10	8	6	18	18	4001~10000	0.9	5	0.2	6000	Glass Fiber Reinforced Resin	-35～85	0.3	2.5x10^-7
MYR 46.79	1 Piece(s)	9 Day(s) or more	10	8	8	18	18	4001~10000	0.9	5	0.2	6000	Glass Fiber Reinforced Resin	-35～85	0.3	2.5x10^-7

Basic Information

Type	Disc Type	Application	Standard / Encoder	Allowable Torque Range(N•m)	0.05~1.00
Features	Backlash 0 / Small	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Body Material	Resin
Product Category	Coupling body	Allowable Lateral Misalignment Range(mm)	0.02~0.2	Fastening Type	Set Screw Type
Disc Type	Single

Configure

17 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Standard Hole Diameter d1(Ø)
2

2.5

3

3.2

4

5

6

8
Clear
Standard Hole Diameter d2(Ø)
2

2.4

3

3.2

4

5

6

8
Clear
Outer Diameter D(Ø)
8

12

14

15

18
Clear
Overall Length L(mm)
9

14.5

15

15.5

18
Clear
Max. Rotational Speed Range(r/min)
2001~4000

4001~10000
Clear
Allowable Torque(N•m)
0.1

0.3

0.4

0.5

0.6

0.9
Clear
Allowable Angular Misalignment(deg)
3

4

5
Clear
Allowable Lateral Misalignment(mm)
0.05

0.1

0.2
Clear
Max. Rotational Speed(r/min)
4000

5000

6000
Clear
Disc Material
- Glass Fiber Reinforced Resin
- Polyacetal
Clear
type
- UJ
Clear

Days to Ship

All

4 Day(s) or Less

9 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Plastic Coupling UJ (Part Numbers)

Basic Information

Configure

Specification/Dimensions

Standard Hole Diameter d1(Ø)

Standard Hole Diameter d2(Ø)

Outer Diameter D(Ø)

Overall Length L(mm)

Max. Rotational Speed Range(r/min)

Allowable Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Disc Material

type