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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
SN2-26RJ28
SN2-26RJ30
SN2-26RJ32
SN2-26RJ35
SN2-30L
SN2-30LJ20
SN2-30LJ22
SN2-30LJ25
SN2-30LJ28
SN2-30LJ30
SN2-30LJ32
SN2-30LJ35
SN2-30R
SN2-30RJ20
SN2-30RJ22
SN2-30RJ25
SN2-30RJ28
SN2-30RJ30
SN2-30RJ32
SN2-30RJ35
SN2.5-10L
SN2.5-10LJ12
SN2.5-10R
SN2.5-10RJ12
SN2.5-13L
SN2.5-13LJ15
SN2.5-13LJ16
SN2.5-13LJ17
SN2.5-13LJ18
SN2.5-13LJ19
SN2.5-13R
SN2.5-13RJ15
SN2.5-13RJ16
SN2.5-13RJ17
SN2.5-13RJ18
SN2.5-13RJ19
SN2.5-15L
SN2.5-15LJ15
SN2.5-15LJ16
SN2.5-15LJ17
SN2.5-15LJ18
SN2.5-15LJ19
SN2.5-15LJ20
SN2.5-15LJ22
SN2.5-15R
SN2.5-15RJ15
SN2.5-15RJ16
SN2.5-15RJ17
SN2.5-15RJ18
SN2.5-15RJ19
SN2.5-15RJ20
SN2.5-15RJ22
SN2.5-20L
SN2.5-20LJ20
SN2.5-20LJ22
SN2.5-20LJ25
SN2.5-20LJ28
SN2.5-20LJ30
SN2.5-20LJ32
SN2.5-20LJ35
SN2.5-20R
SN2.5-20RJ20
SN2.5-20RJ22
SN2.5-20RJ25
SN2.5-20RJ28
SN2.5-20RJ30
SN2.5-20RJ32
SN2.5-20RJ35
SN2.5-26L
SN2.5-26LJ20
SN2.5-26LJ22
SN2.5-26LJ25
SN2.5-26LJ28
SN2.5-26LJ30
SN2.5-26LJ32
SN2.5-26LJ35
SN2.5-26LJ40
SN2.5-26R
SN2.5-26RJ20
SN2.5-26RJ22
SN2.5-26RJ25
SN2.5-26RJ28
SN2.5-26RJ30
SN2.5-26RJ32
SN2.5-26RJ35
SN2.5-26RJ40
SN2.5-30L
SN2.5-30LJ20
SN2.5-30LJ22
SN2.5-30LJ25

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 430.19	1 Piece(s)	10 Day(s)	10	2	-	26	20	Keyway + Tap	Right	60	28	8×3.3	M6	7.5	Finished product
MYR 429.34	1 Piece(s)	10 Day(s)	10	2	-	26	20	Keyway + Tap	Right	60	30	8×3.3	M6	7.5	Finished product
MYR 428.34	1 Piece(s)	10 Day(s)	10	2	-	26	20	Keyway + Tap	Right	60	32	10×3.3	M8	7.5	Finished product
MYR 426.95	1 Piece(s)	10 Day(s)	10	2	-	26	20	Keyway + Tap	Right	60	35	10×3.3	M8	7.5	Finished product
MYR 236.97	1 Piece(s)	5 Day(s) or more	10	2	20	30	20	Round hole	Left	65	20	NA	-	-	Pilot Hole Product
MYR 443.41	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	20	6×2.8	M5	7.5	Finished product
MYR 496.41	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	22	6×2.8	M5	7.5	Finished product
MYR 495.40	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	25	8×3.3	M6	7.5	Finished product
MYR 494.24	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	28	8×3.3	M6	7.5	Finished product
MYR 493.47	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	30	8×3.3	M6	7.5	Finished product
MYR 492.31	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	32	10×3.3	M8	7.5	Finished product
MYR 490.84	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Left	65	35	10×3.3	M8	7.5	Finished product
MYR 307.42	1 Piece(s)	8 Day(s)	10	2	20	30	20	Round hole	Right	65	20	NA	-	-	Pilot Hole Product
MYR 443.41	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	20	6×2.8	M5	7.5	Finished product
MYR 496.41	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	22	6×2.8	M5	7.5	Finished product
MYR 495.40	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	25	8×3.3	M6	7.5	Finished product
MYR 494.24	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	28	8×3.3	M6	7.5	Finished product
MYR 493.47	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	30	8×3.3	M6	7.5	Finished product
MYR 492.31	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	32	10×3.3	M8	7.5	Finished product
MYR 490.84	1 Piece(s)	10 Day(s)	10	2	-	30	20	Keyway + Tap	Right	65	35	10×3.3	M8	7.5	Finished product
MYR 97.66	1 Piece(s)	8 Day(s)	10	2.5	12	10	22	Round hole	Left	26	12	NA	-	-	Pilot Hole Product
MYR 258.98	1 Piece(s)	10 Day(s)	10	2.5	-	10	22	Keyway + Tap	Left	26	12	4×1.8	M4	8	Finished product
MYR 97.66	1 Piece(s)	8 Day(s)	10	2.5	12	10	22	Round hole	Right	26	12	NA	-	-	Pilot Hole Product
MYR 258.98	1 Piece(s)	10 Day(s)	10	2.5	-	10	22	Keyway + Tap	Right	26	12	4×1.8	M4	8	Finished product
MYR 136.44	1 Piece(s)	8 Day(s)	10	2.5	15	13	22	Round hole	Left	35	15	NA	-	-	Pilot Hole Product
MYR 297.77	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Left	35	15	5×2.3	M4	8	Finished product
MYR 359.19	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Left	35	16	5×2.3	M4	8	Finished product
MYR 358.88	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Left	35	17	5×2.3	M4	8	Finished product
MYR 358.65	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Left	35	18	6×2.8	M5	8	Finished product
MYR 358.34	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Left	35	19	6×2.8	M5	8	Finished product
MYR 136.44	1 Piece(s)	8 Day(s)	10	2.5	15	13	22	Round hole	Right	35	15	NA	-	-	Pilot Hole Product
MYR 297.77	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Right	35	15	5×2.3	M4	8	Finished product
MYR 359.19	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Right	35	16	5×2.3	M4	8	Finished product
MYR 358.88	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Right	35	17	5×2.3	M4	8	Finished product
MYR 358.65	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Right	35	18	6×2.8	M5	8	Finished product
MYR 358.34	1 Piece(s)	10 Day(s)	10	2.5	-	13	22	Keyway + Tap	Right	35	19	6×2.8	M5	8	Finished product
MYR 166.04	1 Piece(s)	8 Day(s)	10	2.5	15	15	22	Round hole	Left	40	15	NA	-	-	Pilot Hole Product
MYR 326.82	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	15	5×2.3	M4	8	Finished product
MYR 388.24	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	16	5×2.3	M4	8	Finished product
MYR 388.01	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	17	5×2.3	M4	8	Finished product
MYR 387.62	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	18	6×2.8	M5	8	Finished product
MYR 387.31	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	19	6×2.8	M5	8	Finished product
MYR 387.08	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	20	6×2.8	M5	8	Finished product
MYR 386.39	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Left	40	22	6×2.8	M5	8	Finished product
MYR 133.66	1 Piece(s)	4 Day(s) or more	10	2.5	15	15	22	Round hole	Right	40	15	NA	-	-	Pilot Hole Product
MYR 326.82	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	15	5×2.3	M4	8	Finished product
MYR 388.24	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	16	5×2.3	M4	8	Finished product
MYR 388.01	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	17	5×2.3	M4	8	Finished product
MYR 387.62	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	18	6×2.8	M5	8	Finished product
MYR 387.31	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	19	6×2.8	M5	8	Finished product
MYR 387.08	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	20	6×2.8	M5	8	Finished product
MYR 386.39	1 Piece(s)	10 Day(s)	10	2.5	-	15	22	Keyway + Tap	Right	40	22	6×2.8	M5	8	Finished product
MYR 248.32	1 Piece(s)	8 Day(s)	10	2.5	20	20	22	Round hole	Left	60	20	NA	-	-	Pilot Hole Product
MYR 408.25	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	20	6×2.8	M5	8	Finished product
MYR 469.13	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	22	6×2.8	M5	8	Finished product
MYR 467.97	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	25	8×3.3	M6	8	Finished product
MYR 466.74	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	28	8×3.3	M6	8	Finished product
MYR 465.81	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	30	8×3.3	M6	8	Finished product
MYR 464.65	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	32	10×3.3	M8	8	Finished product
MYR 463.18	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Left	60	35	10×3.3	M8	8	Finished product
MYR 237.27	1 Piece(s)	8 Day(s)	10	2.5	20	20	22	Round hole	Right	60	20	NA	-	-	Pilot Hole Product
MYR 408.25	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	20	6×2.8	M5	8	Finished product
MYR 469.13	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	22	6×2.8	M5	8	Finished product
MYR 467.97	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	25	8×3.3	M6	8	Finished product
MYR 466.74	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	28	8×3.3	M6	8	Finished product
MYR 465.81	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	30	8×3.3	M6	8	Finished product
MYR 464.65	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	32	10×3.3	M8	8	Finished product
MYR 463.18	1 Piece(s)	10 Day(s)	10	2.5	-	20	22	Keyway + Tap	Right	60	35	10×3.3	M8	8	Finished product
MYR 358.96	1 Piece(s)	8 Day(s)	10	2.5	20	26	22	Round hole	Left	70	20	NA	-	-	Pilot Hole Product
MYR 518.74	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	20	6×2.8	M5	8	Finished product
MYR 579.54	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	22	6×2.8	M5	8	Finished product
MYR 578.23	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	25	8×3.3	M6	8	Finished product
MYR 577.07	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	28	8×3.3	M6	8	Finished product
MYR 576.22	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	30	8×3.3	M6	8	Finished product
MYR 574.98	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	32	10×3.3	M8	8	Finished product
MYR 573.44	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	35	10×3.3	M8	8	Finished product
MYR 570.58	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Left	70	40	12×3.3	M8	8	Finished product
MYR 358.96	1 Piece(s)	8 Day(s)	10	2.5	20	26	22	Round hole	Right	70	20	NA	-	-	Pilot Hole Product
MYR 518.74	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	20	6×2.8	M5	8	Finished product
MYR 579.54	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	22	6×2.8	M5	8	Finished product
MYR 578.23	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	25	8×3.3	M6	8	Finished product
MYR 577.07	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	28	8×3.3	M6	8	Finished product
MYR 576.22	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	30	8×3.3	M6	8	Finished product
MYR 574.98	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	32	10×3.3	M8	8	Finished product
MYR 573.44	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	35	10×3.3	M8	8	Finished product
MYR 570.58	1 Piece(s)	10 Day(s)	10	2.5	-	26	22	Keyway + Tap	Right	70	40	12×3.3	M8	8	Finished product
MYR 490.15	1 Piece(s)	8 Day(s)	10	2.5	20	30	22	Round hole	Left	80	20	NA	-	-	Pilot Hole Product
MYR 649.85	1 Piece(s)	10 Day(s)	10	2.5	-	30	22	Keyway + Tap	Left	80	20	6×2.8	M5	8	Finished product
MYR 710.58	1 Piece(s)	10 Day(s)	10	2.5	-	30	22	Keyway + Tap	Left	80	22	6×2.8	M5	8	Finished product
MYR 709.34	1 Piece(s)	10 Day(s)	10	2.5	-	30	22	Keyway + Tap	Left	80	25	8×3.3	M6	8	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