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Part Number Complete

SRB-12-3X3

Specification/Dimensions

Features
High torsional rigidity

High Torque

Backlash 0

Low Inertia Moment

Small

Heat Resistant
Clear
Buffer Material
- Polyacetal
Clear
d1 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
Clear
d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10
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

K10
Clear
d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10
Clear
d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
Clear
type
- SRB-12
- SRB-12C
- SRB-16
- SRB-19
- SRB-22
- SRB-22C
- SRB-26
- SRB-26C
- SRB-32
- SRB-39
- SRB-49
- SRB-60
- SRB-C
- SRBA-32C
- SRBA-39C
- SRBA-49C
- SRBA-60C
- SRBAS-39C
- SRBAS-49C
- SRBAS-60C
- SRBB-32C
- SRBB-39C
- SRBB-49C
- SRBB-60C
- SRBBS-39C
- SRBBS-49C
- SRBBS-60C
- SRBM-12
- SRBM-12C
- SRBM-16
- SRBM-16C
- SRBM-19
- SRBM-19C
- SRBM-22
- SRBM-22C
- SRBM-26
- SRBM-26C
- SRBM-32
- SRBM-32C
- SRBMS-12C
- SRBMS-16C
- SRBMS-19C
- SRBMS-22C
- SRBMS-26C
- SRBMS-32C
- SRBS-12
- SRBS-12C
- SRBS-16
- SRBS-16C
- SRBS-19
- SRBS-19C
- SRBS-22
- SRBS-22C
- SRBS-26
- SRBS-26C
- SRBS-32
- SRBS-32C
- SRBS-39
- SRBS-49
- SRBS-60
Clear
Shaft Hole Dia.(Already processed) d1(Ø)
3

4

5

6

6.35

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
Shaft Hole Dia.(Already processed) d2(Ø)
3

4

5

6

6.35

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
Outer Diameter D(Ø)
12.7

16

19.1

22.2

26.2

31.8

39

49

60
Clear
Full length L(mm)
13

14

16

17

18

18.5

19

20

21.5

22

23

25

26.5

29

30

31.4

31.5

39

43

44

56

63.5

70

76.2

88
Clear
Rated torque range(N•m)
0.05~1.00

1.01~3.00

3.01~5.00

5.01~10.00

10.01~20.00

20.01~50.00
Clear
Max. Rotational Speed Range(r/min)
2001~4000

4001~10000

10001~78000
Clear
Body Material
- Stainless Steel
- Aluminum
Clear
Rated Torque(N•m)
0.2

0.3

0.4

0.5

0.6

0.9

1

1.6

2

2.1

3.5

3.8

7

8

15

16

30
Clear
Allowable Angular Misalignment(deg)
1

2.5
Clear
Allowable Lateral Misalignment(mm)
0

0.1

0.15

0.2

0.25

0.3
Clear
Allowable Lateral Misalignment Range(mm)
0.02~0.2

0.21~0.40
Clear
Max. Rotational Speed(r/min)
12,000

14,000

16,000

17,000

18,000

20,000

24,000

27,000

30,000

40,000

5000

6000

7000

8000

8400

8500

9000

10000

12000

14000

15000

16000

17000

18000

19000

20000

25000

27000

32000

34000

35000

40000
Clear
With or without Keyway
- Both key grooves
- Key Seat Exist
- One Side Key Seat
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

10 Day(s) or Less

11 Day(s) or Less

12 Day(s) or Less

17 Day(s) or Less

22 Day(s) or Less

58 Day(s) or Less
Clear

Specify Alterations

Slit Type Coupling (SRB Series) (SRB-12-3X3)

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Order Qty :
Total Price :

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Days to ship :

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Product Description

[Features]
・Zero backlash
・Eccentricity, declination, complete end-play absorption (spring of Radical Beam Sit)
・High rigidity aluminum alloy (AL 7075-T6)
・High torsional stiffness and allowable torque
・Low moment of inertia, stability at high rotational speed
・ Static reversal is the same
・Oil resistance, chemical resistance
•Related keywords: Sungil Machinery, Standard Coupling, Coupling / Shaft Joint

: 30; 45; 60

Part Number
SRB-12-3X3

Part Number	Price	Minimum Order Qty.	Volume Discount	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)	Rated torque range (N•m)	Features	Max. Rotational Speed Range (r/min)	Body Material	Rated Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Max. Rotational Speed (r/min)	Buffer Material	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)
	₹ 1,170.80	1 Piece(s)		11 Day(s) or more	10	3	3	12.7	18	1.01~3.00	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	Key Seat Exist	-	-	-	-	-	-

Basic Information

Type	Slit type	Application	Stepping Motor	Operating Temperature Range(°C)	-50::200

Please check the type/dimensions/specifications of the part SRB-12-3X3 in the Slit Type Coupling (SRB Series) series.

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

Product variants

Part Number
SRB-12-3X4
SRB-12-3X5
SRB-12-3X5K2
SRB-12-4X4
SRB-12-4X5
SRB-12-4X5K2

Standard Unit Price	Minimum order quantity	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)	Rated torque range (N•m)	Features	Max. Rotational Speed Range (r/min)	Body Material	Rated Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Allowable Lateral Misalignment Range (mm)	Max. Rotational Speed (r/min)	Buffer Material	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)
₹ 1,170.80	1 Piece(s)	11 Day(s) or more	10	3	4	12.7	18	1.01~3.00	High Torque / High torsional rigidity / Low Inertia Moment / Backlash 0 / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	Key Seat Exist	-	-	-	-	-	-
₹ 1,170.80	1 Piece(s)	11 Day(s) or more	10	3	5	12.7	18	1.01~3.00	High Torque / High torsional rigidity / Low Inertia Moment / Backlash 0 / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	Key Seat Exist	-	-	-	-	-	-
₹ 1,378.40	1 Piece(s)	12 Day(s) or more	10	3	3	12.7	18	0.05~1.00	High Torque / High torsional rigidity / Backlash 0	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	Polyacetal	±0.3	1.04X10^-7	One Side Key Seat	-	-	-	K2	2	1
₹ 1,170.80	1 Piece(s)	11 Day(s) or more	10	4	4	12.7	18	1.01~3.00	High Torque / High torsional rigidity / Low Inertia Moment / Backlash 0 / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	Key Seat Exist	-	-	-	-	-	-
₹ 1,170.80	1 Piece(s)	11 Day(s) or more	10	4	5	12.7	18	1.01~3.00	High Torque / High torsional rigidity / Low Inertia Moment / Backlash 0 / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	Key Seat Exist	-	-	-	-	-	-
₹ 1,378.40	1 Piece(s)	12 Day(s) or more	10	4	5	12.7	18	1.01~3.00	High Torque / High torsional rigidity / Low Inertia Moment / Backlash 0 / Small / Heat Resistant	10001~78000	Aluminum	0.2	2.5	0.1	0.02~0.2	40000	-	±0.3	1.04X10^-7	One Side Key Seat	-	-	-	K2	2	1

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Specification/Dimensions

Features

Buffer Material

d1 Keyway symbol

d1keyway width b1(mm)

d1Keyway height t1(mm)

d2 Keyway symbol

d2 keyway width b2(mm)

d2 keyway height t2(mm)

type

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

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

Outer Diameter D(Ø)

Full length L(mm)

Rated torque range(N•m)

Max. Rotational Speed Range(r/min)

Body Material

Rated Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Allowable Lateral Misalignment Range(mm)

Max. Rotational Speed(r/min)

With or without Keyway

CAD

Days to Ship

Specify Alterations

Slit Type Coupling (SRB Series) (SRB-12-3X3)

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Product Description

Basic Information

Product variants

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