Rigid Shape Coupling - Set Screw Type - [SRG] (Part Numbers)

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A coupling with a simple shape that is capable of transmitting a strong torque for high torsional rigidity. Set screw type product. SUNGIL The company is a Korean manufacturer established in 1991. Korean coupling market share is 70%, with over 3,000 customers. No1 maker. Rich selection, and short lead-times.

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Part Number
SRG-43-18K7X20K7
SRG-43-18K7X20K8
SRG-43-18K7X22
SRG-43-18K7X22K6
SRG-43-18K7X22K7
SRG-43-18K7X22K8
SRG-43-18K8X18
SRG-43-18K8X18K6
SRG-43-18K8X18K7
SRG-43-18K8X18K8
SRG-43-18K8X20
SRG-43-18K8X20K6
SRG-43-18K8X20K7
SRG-43-18K8X20K8
SRG-43-18K8X22
SRG-43-18K8X22K6
SRG-43-18K8X22K7
SRG-43-18K8X22K8
SRG-43-18X18
SRG-43-18X18K6
SRG-43-18X18K7
SRG-43-18X18K8
SRG-43-18X20
SRG-43-18X20K6
SRG-43-18X20K7
SRG-43-18X20K8
SRG-43-18X22
SRG-43-18X22K6
SRG-43-18X22K7
SRG-43-18X22K8
SRG-43-20K6X20
SRG-43-20K6X20K6
SRG-43-20K6X20K7
SRG-43-20K6X20K8
SRG-43-20K6X22
SRG-43-20K6X22K6
SRG-43-20K6X22K7
SRG-43-20K6X22K8
SRG-43-20K7X20
SRG-43-20K7X20K6
SRG-43-20K7X20K7
SRG-43-20K7X20K8
SRG-43-20K7X22
SRG-43-20K7X22K6
SRG-43-20K7X22K7
SRG-43-20K7X22K8
SRG-43-20K8X20
SRG-43-20K8X20K6
SRG-43-20K8X20K7
SRG-43-20K8X20K8
SRG-43-20K8X22
SRG-43-20K8X22K6
SRG-43-20K8X22K7
SRG-43-20K8X22K8
SRG-43-20X20
SRG-43-20X20K6
SRG-43-20X20K7
SRG-43-20X20K8
SRG-43-20X22
SRG-43-20X22K6

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (Ø)	Shaft Bore Dia. (machined) D2 (Ø)	Outer Diameter (Ø)	Overall Length (mm)	Max. Rotational Speed Range (r/min)	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment (mm)	Buffer Part Material	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)	Weight (g)	Weight (g)
33.64 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K7	7	3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K8	8	3.3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K8	8	3.3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K8	8	3.3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K8	8	3.3	440	440
28.21 €	1	11 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Key Seat Exist	-	-	-	-	-	-	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K6	6	2.8	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K7	7	3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	18	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K8	8	3.3	440	440
28.21 €	1	11 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Key Seat Exist	-	-	-	-	-	-	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K6	6	2.8	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K7	7	3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K8	8	3.3	440	440
28.21 €	1	11 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Key Seat Exist	-	-	-	-	-	-	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K6	6	2.8	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K7	7	3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	18	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K6	6	2.8	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K6	6	2.8	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K6	6	2.8	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K7	7	3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K7	7	3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K7	7	3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K8	8	3.3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K8	8	3.3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	K8	8	3.3	-	-	-	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K6	6	2.8	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K7	7	3	440	440
33.64 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Both key grooves	K8	8	3.3	K8	8	3.3	440	440
28.21 €	1	11 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Key Seat Exist	-	-	-	-	-	-	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K6	6	2.8	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K7	7	3	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	20	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K8	8	3.3	440	440
28.21 €	1	11 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	Key Seat Exist	-	-	-	-	-	-	440	440
30.92 €	1	12 Days	10	3.01 to 5.00	20	22	43	52	4,001 to 10,000	4.5	12000	-	-	4.6X10^-5	One Side Key Seat	-	-	-	K6	6	2.8	440	440

Basic information

Body Material	Steel / aluminum	Allowable Angular Misalignment(deg)	0	Operating Temperature Range(°C)	-50::200
Allowable Axial Clearance (±)(mm)	0

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Basic Attributes

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

8

10

11

12

14

15

16

18

20

22

24
Clear
Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

8

10

11

12

14

15

16

18

20

22

24
Clear
Outer Diameter(Ø)
16

20

25

32

43

53
Clear
Overall Length(mm)
22.5

24

35

40

52

66
Clear
Max. Rotational Speed Range(r/min)
4,001 to 10,000

10,001 to 78,000
Clear
Allowable Torque(Nm)
0.3

0.5

1

2

4.5

11
Clear
Max. Rotational Speed(r/min)
8000

12000

14000

18000

20000

25000
Clear
Allowable Lateral Misalignment(mm)
0
Clear
Buffer Part Material
- Polyacetal
Clear
With or without Keyway
- Both key grooves
- Key Seat Exist
- One Side Key Seat
Clear
d1 Keyway symbol
- K2
- K3
- K4
- K5
- K6
- K7
- K8
- K9
Clear
d1keyway width b1(mm)
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
Clear
d1Keyway height t1(mm)
- 1
- 1.4
- 1.8
- 2.3
- 2.8
- 3
- 3.3
Clear
d2 Keyway symbol
- K2
- K3
- K4
- K5
- K6
- K7
- K8
- K9
Clear
d2 keyway width b2(mm)
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
Clear
d2 keyway height t2(mm)
- 1
- 1.4
- 1.8
- 2.3
- 2.8
- 3
- 3.3
Clear
Weight(g)
- 280
- 360
- 440
- 460
- 600
- 670
- 900
Clear
Weight(g)
- 280
- 360
- 440
- 460
- 600
- 670
- 900
Clear
Type
- SRG
- SRG-53
Clear
Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

3.01 to 5.00

10.01 to 20.00
Clear