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-25C-12K5X12
SRG-25C-12K5X12K4
SRG-25C-12K5X12K5
SRG-25C-12X12
SRG-25C-12X12K4
SRG-25C-12X12K5

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)
19.14 €	1	12 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	One Side Key Way	K5	5	2.3	-	-	-
20.95 €	1	12 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	Both sides keyway	K5	5	2.3	K4	4	1.8
20.95 €	1	12 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	Both sides keyway	K5	5	2.3	K5	5	2.3
17.34 €	1	11 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	No Keyway	-	-	-	-	-	-
19.14 €	1	12 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	One Side Key Way	-	-	-	K4	4	1.8
19.14 €	1	12 Days	10	0.05 to 1.00	12	12	25	25	4,001 to 10,000	Backlash 0 / Low Inertia Moment / Small / Heat Resistant	4	12000	Aluminum	2.7X10^-6	One Side Key Way	-	-	-	K5	5	2.3

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

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

8

10

11

12

14

15

16

18

20

22

24
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Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

8

10

11

12

14

15

16

18

20

22

24
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Outer Diameter(Ø)
16

20

25

32

43

53
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Overall Length(mm)
16

20

25

32

41

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

4,001 to 10,000
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Feature
Backlash 0

Low Inertia Moment

Small

Heat Resistant
Clear
Allowable Torque(Nm)
1

2.5

4

9

20

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

8000

10000

12000

15000

18000
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Buffer Part Material
- Polyacetal
- Aluminum
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With or without Keyway
- Both sides keyway
- No Keyway
- One Side Key Way
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d1 Keyway symbol
- K2
- K3
- K4
- K5
- K6
- K7
- K8
- K9
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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
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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
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Type
- SRG-16C
- SRG-20C
- SRG-25C
- SRG-32C
- SRG-43C
- SRG-53C
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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
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