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Discontinued Products

Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (SGT) 10/2/2025. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Helical Gear SN (Part Numbers)

KOHARA GEAR INDUSTRY

Spiral gears have crossed axes (R & R, L & L) and parallel axes (R & L), depending on combinations of screw direction. Pay attention to axial direction and rotational direction.

(i)Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Part Number

Configured Part Number is shown.

: 30; 60; 90

Part Number
SN3-30LJ50
SN3-30R
SN3-30RJ20
SN3-30RJ22
SN3-30RJ25
SN3-30RJ28
SN3-30RJ30
SN3-30RJ32
SN3-30RJ35
SN3-30RJ40
SN3-30RJ45
SN3-30RJ50
SN4-10L
SN4-10LJ20
SN4-10LJ22
SN4-10R
SN4-10RJ20
SN4-10RJ22
SN4-13L
SN4-13LJ20
SN4-13LJ22
SN4-13LJ25
SN4-13LJ28
SN4-13LJ30
SN4-13LJ32
SN4-13LJ35
SN4-13R
SN4-13RJ20
SN4-13RJ22
SN4-13RJ25
SN4-13RJ28
SN4-13RJ30
SN4-13RJ32
SN4-13RJ35
SN4-15L
SN4-15LJ20
SN4-15LJ22
SN4-15LJ25
SN4-15LJ28
SN4-15LJ30
SN4-15LJ32
SN4-15LJ35
SN4-15LJ40
SN4-15R
SN4-15RJ20
SN4-15RJ22
SN4-15RJ25
SN4-15RJ28
SN4-15RJ30
SN4-15RJ32
SN4-15RJ35
SN4-15RJ40
SN4-20L
SN4-20LJ20
SN4-20LJ22
SN4-20LJ25
SN4-20LJ28
SN4-20LJ30
SN4-20LJ32
SN4-20LJ35
SN4-20LJ40
SN4-20LJ45
SN4-20LJ50
SN4-20R
SN4-20RJ20
SN4-20RJ22
SN4-20RJ25
SN4-20RJ28
SN4-20RJ30
SN4-20RJ32
SN4-20RJ35
SN4-20RJ40
SN4-20RJ45
SN4-20RJ50
SN4-26L
SN4-26LJ20
SN4-26LJ22
SN4-26LJ25
SN4-26LJ28
SN4-26LJ30
SN4-26LJ32
SN4-26LJ35
SN4-26LJ40
SN4-26LJ45
SN4-26LJ50
SN4-26R
SN4-26RJ20
SN4-26RJ22
SN4-26RJ25
SN4-26RJ28

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Module	Number of Teeth (Teeth)	Twisting Direction	Shaft Bore Config.	Shaft Bore Dia., Shaft Dia.	Tooth Width (mm)	Boss diameter B (φ)	Hole diameter A (φ)	Keyway (mm)	Size of Screw Hole	Screw Hole Dimensions (mm)	Shaft Hole Specifications
SGD 194.54	1 Piece(s)	10 Day(s)	10	3	30	Left	Keyway + Tap	-	25	90	50	14×3.8	M10	9	Finished product
SGD 149.31	1 Piece(s)	8 Day(s)	10	3	30	Right	Round hole	20	25	90	20	NA	-	-	Pilot Hole Product
SGD 185.61	1 Piece(s)	8 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	20	6×2.8	M5	9	Finished product
SGD 198.38	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	22	6×2.8	M5	9	Finished product
SGD 198.09	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	25	8×3.3	M6	9	Finished product
SGD 197.79	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	28	8×3.3	M6	9	Finished product
SGD 197.61	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	30	8×3.3	M6	9	Finished product
SGD 197.31	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	32	10×3.3	M8	9	Finished product
SGD 196.93	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	35	10×3.3	M8	9	Finished product
SGD 196.26	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	40	12×3.3	M8	9	Finished product
SGD 195.38	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	45	14×3.8	M10	9	Finished product
SGD 194.54	1 Piece(s)	10 Day(s)	10	3	30	Right	Keyway + Tap	-	25	90	50	14×3.8	M10	9	Finished product
SGD 47.79	1 Piece(s)	8 Day(s)	10	4	10	Left	Round hole	20	30	45	20	NA	-	-	Pilot Hole Product
SGD 97.38	1 Piece(s)	10 Day(s)	10	4	10	Left	Keyway + Tap	-	30	45	20	6×2.8	M5	10	Finished product
SGD 112.18	1 Piece(s)	10 Day(s)	10	4	10	Left	Keyway + Tap	-	30	45	22	6×2.8	M5	10	Finished product
SGD 47.79	1 Piece(s)	8 Day(s)	10	4	10	Right	Round hole	20	30	45	20	NA	-	-	Pilot Hole Product
SGD 97.38	1 Piece(s)	10 Day(s)	10	4	10	Right	Keyway + Tap	-	30	45	20	6×2.8	M5	10	Finished product
SGD 112.18	1 Piece(s)	10 Day(s)	10	4	10	Right	Keyway + Tap	-	30	45	22	6×2.8	M5	10	Finished product
SGD 66.76	1 Piece(s)	8 Day(s)	10	4	13	Left	Round hole	20	30	60	20	NA	-	-	Pilot Hole Product
SGD 116.19	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	20	6×2.8	M5	10	Finished product
SGD 130.94	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	22	6×2.8	M5	10	Finished product
SGD 130.60	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	25	8×3.3	M6	10	Finished product
SGD 130.27	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	28	8×3.3	M6	10	Finished product
SGD 130.04	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	30	8×3.3	M6	10	Finished product
SGD 131.70	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	32	10×3.3	M8	10	Finished product
SGD 131.29	1 Piece(s)	10 Day(s)	10	4	13	Left	Keyway + Tap	-	30	60	35	10×3.3	M8	10	Finished product
SGD 66.76	1 Piece(s)	8 Day(s)	10	4	13	Right	Round hole	20	30	60	20	NA	-	-	Pilot Hole Product
SGD 116.19	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	20	6×2.8	M5	10	Finished product
SGD 130.94	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	22	6×2.8	M5	10	Finished product
SGD 130.60	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	25	8×3.3	M6	10	Finished product
SGD 130.27	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	28	8×3.3	M6	10	Finished product
SGD 130.04	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	30	8×3.3	M6	10	Finished product
SGD 131.70	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	32	10×3.3	M8	10	Finished product
SGD 131.29	1 Piece(s)	10 Day(s)	10	4	13	Right	Keyway + Tap	-	30	60	35	10×3.3	M8	10	Finished product
SGD 83.30	1 Piece(s)	8 Day(s)	10	4	15	Left	Round hole	20	30	70	20	NA	-	-	Pilot Hole Product
SGD 132.64	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	20	6×2.8	M5	10	Finished product
SGD 147.38	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	22	6×2.8	M5	10	Finished product
SGD 147.05	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	25	8×3.3	M6	10	Finished product
SGD 146.71	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	28	8×3.3	M6	10	Finished product
SGD 146.50	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	30	8×3.3	M6	10	Finished product
SGD 148.10	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	32	10×3.3	M8	10	Finished product
SGD 147.66	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	35	10×3.3	M8	10	Finished product
SGD 146.86	1 Piece(s)	10 Day(s)	10	4	15	Left	Keyway + Tap	-	30	70	40	12×3.3	M8	10	Finished product
SGD 83.30	1 Piece(s)	8 Day(s)	10	4	15	Right	Round hole	20	30	70	20	NA	-	-	Pilot Hole Product
SGD 132.64	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	20	6×2.8	M5	10	Finished product
SGD 147.38	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	22	6×2.8	M5	10	Finished product
SGD 147.05	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	25	8×3.3	M6	10	Finished product
SGD 146.71	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	28	8×3.3	M6	10	Finished product
SGD 146.50	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	30	8×3.3	M6	10	Finished product
SGD 148.10	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	32	10×3.3	M8	10	Finished product
SGD 147.66	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	35	10×3.3	M8	10	Finished product
SGD 146.86	1 Piece(s)	10 Day(s)	10	4	15	Right	Keyway + Tap	-	30	70	40	12×3.3	M8	10	Finished product
SGD 142.85	1 Piece(s)	8 Day(s)	10	4	20	Left	Round hole	20	30	90	20	NA	-	-	Pilot Hole Product
SGD 192.01	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	20	6×2.8	M5	10	Finished product
SGD 206.71	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	22	6×2.8	M5	10	Finished product
SGD 206.37	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	25	8×3.3	M6	10	Finished product
SGD 206.04	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	28	8×3.3	M6	10	Finished product
SGD 205.79	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	30	8×3.3	M6	10	Finished product
SGD 207.42	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	32	10×3.3	M8	10	Finished product
SGD 206.99	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	35	10×3.3	M8	10	Finished product
SGD 206.19	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	40	12×3.3	M8	10	Finished product
SGD 207.62	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	45	14×3.8	M10	10	Finished product
SGD 206.61	1 Piece(s)	10 Day(s)	10	4	20	Left	Keyway + Tap	-	30	90	50	14×3.8	M10	10	Finished product
SGD 141.13	1 Piece(s)	8 Day(s)	10	4	20	Right	Round hole	20	30	90	20	NA	-	-	Pilot Hole Product
SGD 192.01	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	20	6×2.8	M5	10	Finished product
SGD 206.71	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	22	6×2.8	M5	10	Finished product
SGD 206.37	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	25	8×3.3	M6	10	Finished product
SGD 206.04	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	28	8×3.3	M6	10	Finished product
SGD 205.79	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	30	8×3.3	M6	10	Finished product
SGD 207.42	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	32	10×3.3	M8	10	Finished product
SGD 206.99	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	35	10×3.3	M8	10	Finished product
SGD 206.19	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	40	12×3.3	M8	10	Finished product
SGD 207.62	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	45	14×3.8	M10	10	Finished product
SGD 206.61	1 Piece(s)	10 Day(s)	10	4	20	Right	Keyway + Tap	-	30	90	50	14×3.8	M10	10	Finished product
SGD 215.79	1 Piece(s)	8 Day(s)	10	4	26	Left	Round hole	20	30	100	20	NA	-	-	Pilot Hole Product
SGD 264.75	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	20	6×2.8	M5	10	Finished product
SGD 279.38	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	22	6×2.8	M5	10	Finished product
SGD 279.06	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	25	8×3.3	M6	10	Finished product
SGD 278.73	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	28	8×3.3	M6	10	Finished product
SGD 278.48	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	30	8×3.3	M6	10	Finished product
SGD 280.04	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	32	10×3.3	M8	10	Finished product
SGD 279.64	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	35	10×3.3	M8	10	Finished product
SGD 278.84	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	40	12×3.3	M8	10	Finished product
SGD 280.26	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	45	14×3.8	M10	10	Finished product
SGD 279.23	1 Piece(s)	10 Day(s)	10	4	26	Left	Keyway + Tap	-	30	100	50	14×3.8	M10	10	Finished product
SGD 205.10	1 Piece(s)	5 Day(s) or more	10	4	26	Right	Round hole	20	30	100	20	NA	-	-	Pilot Hole Product
SGD 264.75	1 Piece(s)	10 Day(s)	10	4	26	Right	Keyway + Tap	-	30	100	20	6×2.8	M5	10	Finished product
SGD 279.38	1 Piece(s)	10 Day(s)	10	4	26	Right	Keyway + Tap	-	30	100	22	6×2.8	M5	10	Finished product
SGD 279.06	1 Piece(s)	10 Day(s)	10	4	26	Right	Keyway + Tap	-	30	100	25	8×3.3	M6	10	Finished product
SGD 278.73	1 Piece(s)	10 Day(s)	10	4	26	Right	Keyway + Tap	-	30	100	28	8×3.3	M6	10	Finished product

Basic Information

Material(mm)	Steel	Heat Treatment(φ)	No	Ground Tooth	No
Surface Treatment	Black oxide finish	Hole Dia. Tolerance	H7	Metal system material	S45C
Torsional Angle(°)	45	Accuracy Grade	N9 Grade

Configure

478 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Module
1

1.5

2

2.5

3

4
Clear
Number of Teeth(Teeth)
10

13

15

20

26

30
Clear
Twisting Direction
- Right
- Left
Clear
Shaft Bore Config.
- Round hole
- Round hole+tap
- Keyway + Tap
Clear
Shaft Bore Dia., Shaft Dia.
6

8

10

12

15

20
Clear
Tooth Width(mm)
10

15

20

22

25

30
Clear
Boss diameter B(φ)
15

16

18

22

23

25

26

30

34

35

40

45

50

60

65

70

80

90

100

110
Clear
Hole diameter A(φ)
6

8

10

12

14

15

16

17

18

19

20

22

25

28

30

32

35

40

45

50
Clear
Keyway(mm)
- 4×1.8
- 5×2.3
- 6×2.8
- 8×3.3
- 10×3.3
- 12×3.3
- 14×3.8
- NA
Clear
Size of Screw Hole
- M4
- M5
- M6
- M8
- M10
Clear
Screw Hole Dimensions(mm)
- 5
- 7.5
- 8
- 9
- 10
Clear
Shaft Hole Specifications
- Finished product
- Pilot Hole Product
Clear
type
- SN
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

3 Day(s) or Less

5 Day(s) or Less

8 Day(s) or Less

9 Day(s) or Less

10 Day(s) or Less
Clear

Specify Alterations

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

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations): Tel：(65) 6733 7211 / FAX：(65) 6733 0211; 9:00am - 6:00pm (Monday - Friday); Technical Inquiry

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Helical Gear SN (Part Numbers)

(i)Caution

Basic Information

Configure

Specification/Dimensions

Module

Number of Teeth(Teeth)

Twisting Direction

Shaft Bore Config.

Shaft Bore Dia., Shaft Dia.

Tooth Width(mm)

Boss diameter B(φ)

Hole diameter A(φ)

Keyway(mm)

Size of Screw Hole

Screw Hole Dimensions(mm)

Shaft Hole Specifications

type

CAD

Days to Ship

Specify Alterations

Tech Support

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