Rigid Shape Coupling - Clamping Type - (Part Numbers - CAD Download)

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A coupling with a simple shape that is capable of transmitting a strong torque for high torsional rigidity. Clamping 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.

Part Number

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Part Number
SRG-53C-18K8X18K7
SRG-53C-18K8X18K8
SRG-53C-18K8X20
SRG-53C-18K8X20K6
SRG-53C-18K8X20K7
SRG-53C-18K8X20K8
SRG-53C-18K8X22
SRG-53C-18K8X22K6
SRG-53C-18K8X22K7
SRG-53C-18K8X22K8
SRG-53C-18K8X24
SRG-53C-18K8X24K7
SRG-53C-18K8X24K8
SRG-53C-18K8X24K9
SRG-53C-18X18
SRG-53C-18X18K6
SRG-53C-18X18K7
SRG-53C-18X18K8
SRG-53C-18X20
SRG-53C-18X20K6
SRG-53C-18X20K7
SRG-53C-18X20K8
SRG-53C-18X22
SRG-53C-18X22K6
SRG-53C-18X22K7
SRG-53C-18X22K8
SRG-53C-18X24
SRG-53C-18X24K7
SRG-53C-18X24K8
SRG-53C-18X24K9
SRG-53C-20K6X20
SRG-53C-20K6X20K6
SRG-53C-20K6X20K7
SRG-53C-20K6X20K8
SRG-53C-20K6X22
SRG-53C-20K6X22K6
SRG-53C-20K6X22K7
SRG-53C-20K6X22K8
SRG-53C-20K6X24
SRG-53C-20K6X24K7
SRG-53C-20K6X24K8
SRG-53C-20K6X24K9
SRG-53C-20K7X20
SRG-53C-20K7X20K6
SRG-53C-20K7X20K7
SRG-53C-20K7X20K8
SRG-53C-20K7X22
SRG-53C-20K7X22K6
SRG-53C-20K7X22K7
SRG-53C-20K7X22K8
SRG-53C-20K7X24
SRG-53C-20K7X24K7
SRG-53C-20K7X24K8
SRG-53C-20K7X24K9
SRG-53C-20K8X20
SRG-53C-20K8X20K6
SRG-53C-20K8X20K7
SRG-53C-20K8X20K8
SRG-53C-20K8X22
SRG-53C-20K8X22K6

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)	Feature	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	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)
51.46 €	1	12 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
51.46 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment	25	6000	Polyacetal	9.8X10^-5	Both sides keyway	K8	8	3.3	K9	9	3.3
46.03 €	1	11 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	No Keyway	-	-	-	-	-	-
48.74 €	1	12 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.74 €	1	12 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K7	7	3
48.74 €	1	12 Days	10	10.01 to 20.00	18	18	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
46.03 €	1	11 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	No Keyway	-	-	-	-	-	-
48.74 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.74 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K7	7	3
48.74 €	1	12 Days	10	10.01 to 20.00	18	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
46.03 €	1	11 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	No Keyway	-	-	-	-	-	-
48.74 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
48.74 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K7	7	3
48.74 €	1	12 Days	10	10.01 to 20.00	18	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
46.03 €	1	11 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	No Keyway	-	-	-	-	-	-
48.74 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K7	7	3
48.74 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	18	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment	25	6000	Polyacetal	9.8X10^-5	One Side Key Way	-	-	-	K9	9	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K6	6	2.8	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K6	6	2.8	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K6	6	2.8	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment	25	6000	Polyacetal	9.8X10^-5	Both sides keyway	K6	6	2.8	K9	9	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K7	7	3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K7	7	3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K7	7	3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
51.46 €	1	12 Days	10	10.01 to 20.00	20	24	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment	25	6000	Polyacetal	9.8X10^-5	Both sides keyway	K7	7	3	K9	9	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
51.46 €	1	12 Days	10	10.01 to 20.00	20	20	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
48.74 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
51.46 €	1	12 Days	10	10.01 to 20.00	20	22	53	51	2001 to 4,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	25	6000	Aluminum	9.8X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8

Basic information

Application	Servo Motor / Stepping Motor / Encoder	Body Material	Aluminum	Allowable Lateral Misalignment(mm)	0
Allowable Angular Misalignment(deg)	0	Operating Temperature Range(°C)	-50::200	Allowable Axial Clearance (±)(mm)	0

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Basic Attributes

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
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)
16

20

25

32

41

51
Clear
Max. Rotational Speed Range(r/min)
2001 to 4,000

4,001 to 10,000
Clear
Allowable Torque(Nm)
1

2.5

4

9

20

25
Clear
Max. Rotational Speed(r/min)
6000

8000

10000

12000

15000

18000
Clear
Buffer Part Material
- Polyacetal
- Aluminum
Clear
With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
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
Type
- SRG-16C
- SRG-20C
- SRG-25C
- SRG-32C
- SRG-43C
- SRG-53C
Clear
Feature
Backlash 0

Low Inertia Moment

Small

Heat Resistant
Clear
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