Slit couplings / grub screw locking, feather key / cross slot / body: aluminium / SRB / SUNGIL (Part Numbers - CAD Download)

Promotional pricing ends 31/12/2024
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Brand-name products provided by MISUMI-VONA are offered based on customers' needs that selected from products of Asian manufacturers carefully. Please select an item according to the user's various usage scenes. 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
SRB-39-18K8X19K7
SRB-39-18K8X19K8
SRB-39-18X18
SRB-39-18X18K6
SRB-39-18X18K7
SRB-39-18X18K8
SRB-39-18X19
SRB-39-18X19K6
SRB-39-18X19K7
SRB-39-18X19K8
SRB-39-19K6X19
SRB-39-19K6X19K6
SRB-39-19K6X19K7
SRB-39-19K6X19K8
SRB-39-19K7X19
SRB-39-19K7X19K6
SRB-39-19K7X19K7
SRB-39-19K7X19K8
SRB-39-19K8X19
SRB-39-19K8X19K6
SRB-39-19K8X19K7
SRB-39-19K8X19K8
SRB-39-19X19
SRB-39-19X19K6
SRB-39-19X19K7
SRB-39-19X19K8

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Feature	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Buffer Part 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)
48.54 €	1	12 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
48.54 €	1	12 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
41.30 €	1	11 Days	10	5.01 to 10.00	18	18	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	No Keyway	-	-	-	-	-	-
44.93 €	1	12 Days	10	5.01 to 10.00	18	18	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
44.93 €	1	12 Days	10	5.01 to 10.00	18	18	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K7	7	3
44.93 €	1	12 Days	10	5.01 to 10.00	18	18	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
41.30 €	1	11 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	No Keyway	-	-	-	-	-	-
44.93 €	1	12 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
44.93 €	1	12 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K7	7	3
44.93 €	1	12 Days	10	5.01 to 10.00	18	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	K6	6	2.8	-	-	-
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K6	6	2.8	K6	6	2.8
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K6	6	2.8	K7	7	3
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K6	6	2.8	K8	8	3.3
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	K7	7	3	-	-	-
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K7	7	3	K6	6	2.8
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K7	7	3	K7	7	3
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K7	7	3	K8	8	3.3
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	K8	8	3.3	-	-	-
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K8	8	3.3	K6	6	2.8
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K8	8	3.3	K7	7	3
48.54 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	Both sides keyway	K8	8	3.3	K8	8	3.3
41.30 €	1	11 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	No Keyway	-	-	-	-	-	-
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K6	6	2.8
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K7	7	3
44.93 €	1	12 Days	10	5.01 to 10.00	19	19	39	56	4,001 to 10,000	High torsional rigidity / High Torque / Backlash 0 / Low Inertia Moment / Small / Heat Resistant	6.5	12000	0.02 to 0.2	0.25	Aluminum	±0.4	2.8X10^-5	One Side Key Way	-	-	-	K8	8	3.3

Basic information

Type	Slit type	Application	Stepping Motor	Body Material	Aluminum
Allowable Angular Misalignment(deg)	2.5	Operating Temperature Range(°C)	-50::200

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Basic Attributes

Shaft Bore Dia. (machined) D1(mm)
3

4

5

6

6.35

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
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Shaft Bore Dia. (machined) D2(mm)
3

4

5

6

6.35

8

9.525

10

11

12

14

15

16

18

19

20

22

24

25
Clear
Outer Dia. A(mm)
12.7

16

19.1

22.2

26.2

31.8

39

49

60
Clear
Overall Length W(mm)
18

18.5

22

25

30

39

56

70

88
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Max. Rotational Speed Range(r/min)
4,001 to 10,000

10,001 to 78,000
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Feature
High torsional rigidity

High Torque

Backlash 0

Low Inertia Moment

Small

Heat Resistant
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Allowable Torque(Nm)
0.2

0.4

0.6

1

1.5

2.6

6.5

13

24
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Max. Rotational Speed(r/min)
8500

10000

12000

18000

20000

24000

30000

40000
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Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
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Allowable Lateral Misalignment(mm)
0.1

0.15

0.2

0.25

0.3
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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

K10
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d1keyway width b1(mm)
2

3

4

5

6

7

8

9

10
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d1Keyway height t1(mm)
1

1.4

1.8

2.3

2.8

3

3.3
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d2 Keyway symbol
K2

K3

K4

K5

K6

K7

K8

K9

K10
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d2 keyway width b2(mm)
2

3

4

5

6

7

8

9

10
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d2 keyway height t2(mm)
1

1.4

1.8

2.3

2.8

3

3.3
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Type
- SRB-12
- SRB-16
- SRB-19
- SRB-22
- SRB-26
- SRB-32
- SRB-39
- SRB-49
- SRB-60
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Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

5.01 to 10.00

10.01 to 20.00

20.01 to 50.00
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Filter by CAD data type
- 3D
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