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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	Shaft Bore Dia., Shaft Dia.	Number of Teeth (Teeth)	Tooth Width (mm)	Shaft Bore Config.	Twisting Direction	Boss diameter B (φ)	Hole diameter A (φ)	Keyway (mm)	Size of Screw Hole	Screw Hole Dimensions (mm)	Shaft Hole Specifications
MYR 948.16	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Left	90	50	14×3.8	M10	9	Finished product
MYR 727.73	1 Piece(s)	8 Day(s)	10	3	20	30	25	Round hole	Right	90	20	NA	-	-	Pilot Hole Product
MYR 904.66	1 Piece(s)	8 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	20	6×2.8	M5	9	Finished product
MYR 966.85	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	22	6×2.8	M5	9	Finished product
MYR 965.46	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	25	8×3.3	M6	9	Finished product
MYR 964.00	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	28	8×3.3	M6	9	Finished product
MYR 963.07	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	30	8×3.3	M6	9	Finished product
MYR 961.60	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	32	10×3.3	M8	9	Finished product
MYR 959.75	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	35	10×3.3	M8	9	Finished product
MYR 956.50	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	40	12×3.3	M8	9	Finished product
MYR 952.25	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	45	14×3.8	M10	9	Finished product
MYR 948.16	1 Piece(s)	10 Day(s)	10	3	-	30	25	Keyway + Tap	Right	90	50	14×3.8	M10	9	Finished product
MYR 232.87	1 Piece(s)	8 Day(s)	10	4	20	10	30	Round hole	Left	45	20	NA	-	-	Pilot Hole Product
MYR 474.62	1 Piece(s)	10 Day(s)	10	4	-	10	30	Keyway + Tap	Left	45	20	6×2.8	M5	10	Finished product
MYR 546.70	1 Piece(s)	10 Day(s)	10	4	-	10	30	Keyway + Tap	Left	45	22	6×2.8	M5	10	Finished product
MYR 232.87	1 Piece(s)	8 Day(s)	10	4	20	10	30	Round hole	Right	45	20	NA	-	-	Pilot Hole Product
MYR 474.62	1 Piece(s)	10 Day(s)	10	4	-	10	30	Keyway + Tap	Right	45	20	6×2.8	M5	10	Finished product
MYR 546.70	1 Piece(s)	10 Day(s)	10	4	-	10	30	Keyway + Tap	Right	45	22	6×2.8	M5	10	Finished product
MYR 325.35	1 Piece(s)	8 Day(s)	10	4	20	13	30	Round hole	Left	60	20	NA	-	-	Pilot Hole Product
MYR 566.25	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	20	6×2.8	M5	10	Finished product
MYR 638.11	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	22	6×2.8	M5	10	Finished product
MYR 636.48	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	25	8×3.3	M6	10	Finished product
MYR 634.86	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	28	8×3.3	M6	10	Finished product
MYR 633.78	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	30	8×3.3	M6	10	Finished product
MYR 641.89	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	32	10×3.3	M8	10	Finished product
MYR 639.81	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Left	60	35	10×3.3	M8	10	Finished product
MYR 325.35	1 Piece(s)	8 Day(s)	10	4	20	13	30	Round hole	Right	60	20	NA	-	-	Pilot Hole Product
MYR 566.25	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	20	6×2.8	M5	10	Finished product
MYR 638.11	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	22	6×2.8	M5	10	Finished product
MYR 636.48	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	25	8×3.3	M6	10	Finished product
MYR 634.86	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	28	8×3.3	M6	10	Finished product
MYR 633.78	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	30	8×3.3	M6	10	Finished product
MYR 641.89	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	32	10×3.3	M8	10	Finished product
MYR 639.81	1 Piece(s)	10 Day(s)	10	4	-	13	30	Keyway + Tap	Right	60	35	10×3.3	M8	10	Finished product
MYR 405.93	1 Piece(s)	8 Day(s)	10	4	20	15	30	Round hole	Left	70	20	NA	-	-	Pilot Hole Product
MYR 646.45	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	20	6×2.8	M5	10	Finished product
MYR 718.30	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	22	6×2.8	M5	10	Finished product
MYR 716.68	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	25	8×3.3	M6	10	Finished product
MYR 715.06	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	28	8×3.3	M6	10	Finished product
MYR 713.98	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	30	8×3.3	M6	10	Finished product
MYR 721.78	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	32	10×3.3	M8	10	Finished product
MYR 719.69	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	35	10×3.3	M8	10	Finished product
MYR 715.75	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Left	70	40	12×3.3	M8	10	Finished product
MYR 405.93	1 Piece(s)	8 Day(s)	10	4	20	15	30	Round hole	Right	70	20	NA	-	-	Pilot Hole Product
MYR 646.45	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	20	6×2.8	M5	10	Finished product
MYR 718.30	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	22	6×2.8	M5	10	Finished product
MYR 716.68	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	25	8×3.3	M6	10	Finished product
MYR 715.06	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	28	8×3.3	M6	10	Finished product
MYR 713.98	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	30	8×3.3	M6	10	Finished product
MYR 721.78	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	32	10×3.3	M8	10	Finished product
MYR 719.69	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	35	10×3.3	M8	10	Finished product
MYR 715.75	1 Piece(s)	10 Day(s)	10	4	-	15	30	Keyway + Tap	Right	70	40	12×3.3	M8	10	Finished product
MYR 696.21	1 Piece(s)	8 Day(s)	10	4	20	20	30	Round hole	Left	90	20	NA	-	-	Pilot Hole Product
MYR 935.80	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	20	6×2.8	M5	10	Finished product
MYR 1,007.42	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	22	6×2.8	M5	10	Finished product
MYR 1,005.79	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	25	8×3.3	M6	10	Finished product
MYR 1,004.17	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	28	8×3.3	M6	10	Finished product
MYR 1,002.94	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	30	8×3.3	M6	10	Finished product
MYR 1,010.89	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	32	10×3.3	M8	10	Finished product
MYR 1,008.81	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	35	10×3.3	M8	10	Finished product
MYR 1,004.94	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	40	12×3.3	M8	10	Finished product
MYR 1,011.90	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	45	14×3.8	M10	10	Finished product
MYR 1,006.95	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Left	90	50	14×3.8	M10	10	Finished product
MYR 687.78	1 Piece(s)	8 Day(s)	10	4	20	20	30	Round hole	Right	90	20	NA	-	-	Pilot Hole Product
MYR 935.80	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	20	6×2.8	M5	10	Finished product
MYR 1,007.42	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	22	6×2.8	M5	10	Finished product
MYR 1,005.79	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	25	8×3.3	M6	10	Finished product
MYR 1,004.17	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	28	8×3.3	M6	10	Finished product
MYR 1,002.94	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	30	8×3.3	M6	10	Finished product
MYR 1,010.89	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	32	10×3.3	M8	10	Finished product
MYR 1,008.81	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	35	10×3.3	M8	10	Finished product
MYR 1,004.94	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	40	12×3.3	M8	10	Finished product
MYR 1,011.90	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	45	14×3.8	M10	10	Finished product
MYR 1,006.95	1 Piece(s)	10 Day(s)	10	4	-	20	30	Keyway + Tap	Right	90	50	14×3.8	M10	10	Finished product
MYR 1,051.69	1 Piece(s)	8 Day(s)	10	4	20	26	30	Round hole	Left	100	20	NA	-	-	Pilot Hole Product
MYR 1,290.35	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	20	6×2.8	M5	10	Finished product
MYR 1,361.66	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	22	6×2.8	M5	10	Finished product
MYR 1,360.12	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	25	8×3.3	M6	10	Finished product
MYR 1,358.49	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	28	8×3.3	M6	10	Finished product
MYR 1,357.26	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	30	8×3.3	M6	10	Finished product
MYR 1,364.91	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	32	10×3.3	M8	10	Finished product
MYR 1,362.90	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	35	10×3.3	M8	10	Finished product
MYR 1,359.04	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	40	12×3.3	M8	10	Finished product
MYR 1,365.91	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	45	14×3.8	M10	10	Finished product
MYR 1,360.89	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Left	100	50	14×3.8	M10	10	Finished product
MYR 754.98	1 Piece(s)	5 Day(s) or more	10	4	20	26	30	Round hole	Right	100	20	NA	-	-	Pilot Hole Product
MYR 1,290.35	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Right	100	20	6×2.8	M5	10	Finished product
MYR 1,361.66	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Right	100	22	6×2.8	M5	10	Finished product
MYR 1,360.12	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Right	100	25	8×3.3	M6	10	Finished product
MYR 1,358.49	1 Piece(s)	10 Day(s)	10	4	-	26	30	Keyway + Tap	Right	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
Shaft Bore Dia., Shaft Dia.
6

8

10

12

15

20
Clear
Number of Teeth(Teeth)
10

13

15

20

26

30
Clear
Tooth Width(mm)
10

15

20

22

25

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

4 Day(s) or Less

5 Day(s) or Less

8 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 .

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Helical Gear SN (Part Numbers)

(i)Caution

Basic Information

Configure

Specification/Dimensions

Module

Shaft Bore Dia., Shaft Dia.

Number of Teeth(Teeth)

Tooth Width(mm)

Shaft Bore Config.

Twisting Direction

Boss diameter B(φ)

Hole diameter A(φ)

Keyway(mm)

Size of Screw Hole

Screw Hole Dimensions(mm)

Shaft Hole Specifications

type

CAD