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Part Number Complete

SJC-20-RD-4X4

Specification/Dimensions

Shaft Hole Dia.(Already processed) d1(Ø)
4

6

8

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

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
Clear
Shaft Hole Dia.(Already processed) d2(Ø)
4

6

10

12

13

14

15

16

17

18

19

20

21

22

23

24

25

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

60
Clear
Outer Diameter D(Ø)
20

25

30

40

55

65

80

95

104
Clear
Full length L(mm)
30

32.5

35

44

55

66

78

90

114

126

140
Clear
Application
- Standard
- Servo Motor
- Stepping Motor
- Encoder
Clear
Rated torque range(N•m)
3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00

50.01~100.00

100～Less than 500
Clear
Features
High torsional rigidity

High durability

Backlash 0

Low Inertia Moment

Vibration Absorption

Small
Clear
Allowable Misalignment
- Angular Misalignment
- Eccentricity
- Axial Misalignment
Clear
Max. Rotational Speed Range(r/min)
2001~4000

4001~10000

10001~78000
Clear
Rated Torque(N•m)
5

7.5

9

10

12.5

25

34

60

120

300

320

650

900
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15
Clear
Product Category
- Coupling body
Clear
Max. Rotational Speed(r/min)
4000

4800

6000

7400

7500

8700

9600

11900

13000

15000

15900

19000
Clear
Buffer Material
- Polyacetal
- Polyurethane
  - PU
  - Polyurethane Elastomer
- Others
  - Polyester Elastomer
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
- With Keyway
Clear
d1 Keyway symbol
K3

K4

K5

K8

K10
Clear
d1keyway width b1(mm)
3

4

5

8

10
Clear
d1Keyway height t1(mm)
1.4

1.8

2.3

3.3
Clear
d2 Keyway symbol
K3

K4

K5

K10

K18
Clear
d2 keyway width b2(mm)
3

4

5

10

18
Clear
d2 keyway height t2(mm)
1.4

1.8

2.3

3.3

4.4
Clear
type
- SJC-100
- SJC-20
- SJC-25
- SJC-55
- SJCA-30
- SJCA-40
- SJCB-30
- SQR
Clear
Disc Material
- Aluminum
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

3 Day(s) or Less

9 Day(s) or Less

12 Day(s) or Less
Clear

Specify Alterations

Jaw Coupling -Set Screw Type- [SJC-14-GR] (Part Number)

Name: Jaw Coupling -Set Screw Type- [SJC-14-GR]
Brand: SUNGIL
Availability: PreOrder

Compare This Product

Brand :

SUNGIL

Part Number :

SJC-20-RD-4X4

From :

฿ 562.38/Unit
Qty :
Days to Ship :

---
Total Price :

---

Select part number to Order Now/ Add to Cart

CAD Download

Product Description

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.

Product TOP

: 30; 60; 90

Part Number
SJC-20-RD-4X4
SJC-25-RD-6K3X6K3
SJC-25-RD-10K3X10K4
SJC-25-RD-10K4X10K3
SJC-55-RD-12K4X15K5
SJC-100-GR-25K8X60K18
SJC-100-GR-30K10X30K10
SJC-100-GR-35K10X60K18
SJCA-30-GR-8X14K5
SJCA-30-GR-10X12K4
SJCA-40-GR-15K5X15K5
SJCB-30-GR-10X14
SJCB-30-RD-11K4X12K4

Price	Name	Minimum Order Qty.	Days to Ship	RoHS	Shaft Hole Dia.(Already processed) d1 (Ø)	Shaft Hole Dia.(Already processed) d2 (Ø)	Outer Diameter D (Ø)	Full length L (mm)	Application	Rated torque range (N•m)	Features	Allowable Misalignment	Max. Rotational Speed Range (r/min)	Rated Torque (N•m)	Allowable Lateral Misalignment (mm)	Product Category	Max. Rotational Speed (r/min)	Buffer Material	Disc Material	Operating Temperature Range (°C)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (kg･m²)	With or without Keyway	d1 Keyway symbol	d1keyway width b1 (mm)	d1Keyway height t1 (mm)	d2 Keyway symbol	d2 keyway width b2 (mm)	d2 keyway height t2 (mm)
฿ 562.38	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	4	4	20	30	Servo Motor	3.01~5.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	5	0.1	Coupling body	19000	[Others] Polyester Elastomer	Aluminum	-20～120	0.8	1.0X10^-6	No Keyway	-	-	-	-	-	-
฿ 631.62	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	6	6	25	32.5	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	9	0.1	Coupling body	15000	[Others] Polyester Elastomer	Aluminum	-20～120	10	2.4X10^-6	Both sides keyway	K3	3	1.4	K3	3	1.4
฿ 631.62	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	10	10	25	32.5	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	9	0.1	Coupling body	15000	[Others] Polyester Elastomer	Aluminum	-20～120	10	2.4X10^-6	Both sides keyway	K3	3	1.4	K4	4	1.8
฿ 631.62	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	10	10	25	32.5	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	9	0.1	Coupling body	15000	[Others] Polyester Elastomer	Aluminum	-20～120	10	2.4X10^-6	Both sides keyway	K4	4	1.8	K3	3	1.4
฿ 1,457.55	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	12	12	55	78	Servo Motor	50.01~100.00	High torsional rigidity / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	60	0.15	Coupling body	7500	Polyacetal	Aluminum	-20～120	±1.40	1.7X10^-4	With Keyway	K4	4	1.8	K5	5	2.3
฿ 4,161.15	SGL COUPLING SJC	1 Piece(s)	12 Day(s)	10	25	60	104	140	Servo Motor	100～Less than 500	High torsional rigidity / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	2001~4000	300	0.15	Coupling body	4000	[Polyurethane] Polyurethane Elastomer	Aluminum	-30～90	20	4.8X10^-3	Both sides keyway	K8	8	3.3	K18	18	4.4
฿ 4,802.99	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	30	30	104	140	Servo Motor	100～Less than 500	High torsional rigidity / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	2001~4000	300	0.15	Coupling body	4000	[Polyurethane] Polyurethane Elastomer	Aluminum	-30～90	20	4.8X10^-3	Both sides keyway	K10	10	3.3	K10	10	3.3
฿ 4,190.48	SGL COUPLING SJC	1 Piece(s)	9 Day(s)	10	35	60	104	140	Servo Motor	100～Less than 500	High torsional rigidity / Backlash 0 / Vibration Absorption	Angular Misalignment / Eccentricity / Axial Misalignment	2001~4000	300	0.15	Coupling body	4000	[Polyurethane] Polyurethane Elastomer	Aluminum	-30～90	20	4.8X10^-3	Both sides keyway	K10	10	3.3	K18	18	4.4
฿ 642.25	SGL COUPLING SJCA	1 Piece(s)	3 Day(s)	10	8	14	30	35	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	7.5	0.15	Coupling body	13000	[Others] Polyester Elastomer	Aluminum	-30～90	10	5.9X10^-6	One Side Key Way	-	-	-	K5	5	2.3
฿ 612.58	SGL COUPLING SJCA	1 Piece(s)	9 Day(s)	10	10	12	30	35	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	7.5	0.15	Coupling body	13000	[Others] Polyester Elastomer	Aluminum	-30～90	10	5.9X10^-6	One Side Key Way	-	-	-	K4	4	1.8
฿ 1,014.20	SGL COUPLING SJCA	1 Piece(s)	9 Day(s)	10	15	15	40	55	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	10	0.1	Coupling body	9600	[Others] Polyester Elastomer	Aluminum	-30～90	1.2	3.1X10^-5	Both sides keyway	K5	5	2.3	K5	5	2.3
฿ 689.47	SGL COUPLING SJCB	1 Piece(s)	3 Day(s)	10	10	14	30	44	Servo Motor	5.01~10.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	7.5	0.15	Coupling body	13000	[Others] Polyester Elastomer	Aluminum	-30～90	10	7.2X10^-6	No Keyway	-	-	-	-	-	-
฿ 710.86	SGL COUPLING SJCB	1 Piece(s)	9 Day(s)	10	11	12	30	44	Servo Motor	10.01~20.00	High torsional rigidity / Backlash 0 / Vibration Absorption / Small	Angular Misalignment / Eccentricity / Axial Misalignment	4001~10000	12.5	0.1	Coupling body	13000	[Others] Polyester Elastomer	Aluminum	-20～120	10	7.2X10^-6	Both sides keyway	K4	4	1.8	K4	4	1.8