Helical Gears / Pressure Angle 20Deg. / Helix Angle 45Deg. (Part Numbers - CAD Download)

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Helical Gears/Pressure Angle 20Deg./Helix Angle 45Deg.:Related Image

Type			Material	Surface Treatment	Accessory
Straight Bore	Straight Bore + Tap	Keyway + Tap	Material	Surface Treatment	Accessory
NEGHN	NEGTN	NEGKN	EN 1.1191 Equiv.	-	Set Screw (EN 1.7220 Equiv., Black Oxide)
NEGHB	NEGTB	NEGKB	EN 1.1191 Equiv.	Black Oxide	Set Screw (EN 1.7220 Equiv., Black Oxide)
NEGHS	NEGTS	NEGKS	EN 1.4301 Equiv.	-	Set Screw (EN 1.4301 Equiv.)
NEGHM	NEGTM	-	MC Nylon	-	Set Screw (EN 1.4301 Equiv.)

Set Screw is not included in Un-tapped Type products.

Specifications

Part Number	-	Number of Teeth	-	Shaft Bore Dia. P	-	Twisting Direction
NEGHN1.0	-	20	-	10	-	L

Part Number		Number of Teeth	Shaft Bore Dia. P_H7 (1mm Increment)		Twisting Direction	d	D	B	H	L	ℓ
Type	Module	Number of Teeth	Straight Bore Straight Bore + Tap	Keyway + Tap	Twisting Direction	d	D	B	H	L	ℓ
Straight Bore NEGHN NEGHB NEGHS NEGHM Straight Bore + Tap NEGTN NEGTB NEGTS NEGTM Keyway + Tap NEGKN NEGKB NEGKS	1.0	13	6~7	-	L (Left) R (Right)	18.38	20.38	10	15	20	10
		15	6~10	8		21.21	23.21		18
		20	8~16	8~13		28.28	30.28		25
		26	10~20	10~17		36.77	38.77		30
		30	10~25	10~22		42.43	44.43		35
	1.5	10	8	-		21.21	24.21	15	16	25	10
		13	10~14	10~12		27.58	30.58		23
		15	10~16	10~13		31.82	34.82		25
		20	12~20	12~17		42.43	45.43		30
		26	12~30	12~26		55.15	58.15		40
		30	12~33	12~30		63.64	66.64		45
	2.0	10	12~13	12		28.28	32.28	20	22	35	15
		13	12~20	12~17		36.77	40.77		30
		15	12~25	12~22		42.43	46.43		35
		20	15~33	15~30		56.57	60.57		45
		26	20~46	20~44		73.54	77.54		60
		30	20~51	20~47		84.85	88.85		65
	2.5	10	12~17	12~14		35.36	40.36	22	26	38	16
		13	15~25	15~22		45.96	50.96		35
		15	15~30	15~26		53.03	58.03		40
		20	20~46	20~44		70.71	75.71		60
		26	20~56	20~50		91.92	96.92		70
		30	20~65	20~50		106.07	111.07		80
	3.0	10	15~24	15~21		42.43	48.43	25	34	43	18
		13	20~33	20~30		55.15	61.15		45
		15	20~38	20~34		63.64	69.64		50
		20	20~46	20~44		84.85	90.85		60
		26	20~65	20~50		110.31	116.31		80
		30	20~65	20~50		127.28	133.28		90

Shaft Bore Dia. 6.35 is available for Straight Bore and Straight Bore + Tap. Specify 10K as P dimension if keyway width of 4.0mm (height 1.8mm) for Keyway + Tap with shaft bore diameter of 10 is desired. >> P.1498
Shaft Bore Dia. 9 is not available for Keyway + Tap. Combine the same handedness (L and L or R and R) for unparallel shafts and different handedness (L and R) for parallel shafts.
Helical gears generate axial thrust on shafts. Choose bearings that can withstand the axial thrust generated by the gears.

Alterations

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Part Number
NEGHB1.0-13-[6,6.35,7]-[L,R]
NEGHB1.0-15-[6,6.35,7,8,9,10]-[L,R]
NEGHB1.0-20-[8-16/1]-[L,R]
NEGHB1.0-26-[10-26/1]-[L,R]
NEGHB1.0-30-[10-25/1]-[L,R]
NEGHB1.5-10-8-[L,R]
NEGHB1.5-13-[10-14/1]-[L,R]
NEGHB1.5-15-[10-16/1]-[L,R]
NEGHB1.5-20-[12-20/1]-[L,R]
NEGHB1.5-26-[12-30/1]-[L,R]
NEGHB1.5-30-[12-33/1]-[L,R]
NEGHB2.0-10-[12-13/1]-[L,R]
NEGHB2.0-13-[12-20/1]-[L,R]
NEGHB2.0-15-[12-25/1]-[L,R]
NEGHB2.0-20-[15-33/1]-[L,R]
NEGHB2.0-26-[20-46/1]-[L,R]
NEGHB2.0-30-[20-51/1]-[L,R]
NEGHB2.5-10-[12-17/1]-[L,R]
NEGHB2.5-13-[15-25/1]-[L,R]
NEGHB2.5-15-[15-30/1]-[L,R]
NEGHB2.5-20-[20-46/1]-[L,R]
NEGHB2.5-26-[20-56/1]-[L,R]
NEGHB2.5-30-[20-65/1]-[L,R]
NEGHB3.0-10-[15-24/1]-[L,R]
NEGHB3.0-13-[20-33/1]-[L,R]
NEGHB3.0-15-[20-38/1]-[L,R]
NEGHB3.0-20-[20-46/1]-[L,R]
NEGHB3.0-26-[20-65/1]-[L,R]
NEGHB3.0-30-[20-65/1]-[L,R]
NEGKB1.0-15-8-[L,R]
NEGKB1.0-20-10K-[L,R]
NEGKB1.0-20-[8-13/1]-[L,R]
NEGKB1.0-26-10K-[L,R]
NEGKB1.0-26-[10-17/1]-[L,R]
NEGKB1.0-30-10K-[L,R]
NEGKB1.0-30-[10-22/1]-[L,R]
NEGKB1.5-13-10K-[L,R]
NEGKB1.5-13-[10-12/1]-[L,R]
NEGKB1.5-15-10K-[L,R]
NEGKB1.5-15-[10-13/1]-[L,R]
NEGKB1.5-20-[12-17/1]-[L,R]
NEGKB1.5-26-[12-26/1]-[L,R]
NEGKB1.5-30-[12-30/1]-[L,R]
NEGKB2.0-10-12-[L,R]
NEGKB2.0-13-[12-17/1]-[L,R]
NEGKB2.0-15-[12-22/1]-[L,R]
NEGKB2.0-20-[15-30/1]-[L,R]
NEGKB2.0-26-[20-44/1]-[L,R]
NEGKB2.0-30-[20-47/1]-[L,R]
NEGKB2.5-10-[12-14/1]-[L,R]
NEGKB2.5-13-[15-22/1]-[L,R]
NEGKB2.5-15-[15-26/1]-[L,R]
NEGKB2.5-20-[20-44/1]-[L,R]
NEGKB2.5-26-[20-50/1]-[L,R]
NEGKB2.5-30-[20-50/1]-[L,R]
NEGKB3.0-10-[15-21/1]-[L,R]
NEGKB3.0-13-[20-30/1]-[L,R]
NEGKB3.0-15-[20-34/1]-[L,R]
NEGKB3.0-20-[20-44/1]-[L,R]
NEGKB3.0-26-[20-50/1]-[L,R]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Module	Number of Teeth (Teeth)	Material (mm)	Surface Treatment	Shaft Bore Dia., Shaft Dia.	Shaft Hole Specifications	Material	Twisting Direction
-	1	12 Days	10	1	13	General Steel Material	Black Oxide	6 ～ 7	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	15	General Steel Material	Black Oxide	6 ～ 10	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	20	General Steel Material	Black Oxide	8 ～ 16	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	26	General Steel Material	Black Oxide	10 ～ 26	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	30	General Steel Material	Black Oxide	10 ～ 25	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	10	General Steel Material	Black Oxide	8	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	13	General Steel Material	Black Oxide	10 ～ 14	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	15	General Steel Material	Black Oxide	10 ～ 16	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	20	General Steel Material	Black Oxide	12 ～ 20	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	26	General Steel Material	Black Oxide	12 ～ 30	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	30	General Steel Material	Black Oxide	12 ～ 33	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	10	General Steel Material	Black Oxide	12 ～ 13	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	13	General Steel Material	Black Oxide	12 ～ 20	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	15	General Steel Material	Black Oxide	12 ～ 25	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	20	General Steel Material	Black Oxide	15 ～ 33	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	26	General Steel Material	Black Oxide	20 ～ 46	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	30	General Steel Material	Black Oxide	20 ～ 51	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	10	General Steel Material	Black Oxide	12 ～ 17	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	13	General Steel Material	Black Oxide	15 ～ 25	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	15	General Steel Material	Black Oxide	15 ～ 30	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	20	General Steel Material	Black Oxide	20 ～ 46	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	26	General Steel Material	Black Oxide	20 ～ 56	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	30	General Steel Material	Black Oxide	20 ～ 65	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	10	General Steel Material	Black Oxide	15 ～ 24	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	13	General Steel Material	Black Oxide	20 ～ 33	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	15	General Steel Material	Black Oxide	20 ～ 38	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	20	General Steel Material	Black Oxide	20 ～ 46	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	26	General Steel Material	Black Oxide	20 ～ 65	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	30	General Steel Material	Black Oxide	20 ～ 65	Round Hole	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	15	General Steel Material	Black Oxide	8	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	20	General Steel Material	Black Oxide	10	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	20	General Steel Material	Black Oxide	8 ～ 13	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	26	General Steel Material	Black Oxide	10	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	26	General Steel Material	Black Oxide	10 ～ 17	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	30	General Steel Material	Black Oxide	10	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1	30	General Steel Material	Black Oxide	10 ～ 22	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	13	General Steel Material	Black Oxide	10	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	13	General Steel Material	Black Oxide	10 ～ 12	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	15	General Steel Material	Black Oxide	10	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	15	General Steel Material	Black Oxide	10 ～ 13	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	20	General Steel Material	Black Oxide	12 ～ 17	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	26	General Steel Material	Black Oxide	12 ～ 26	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	1.5	30	General Steel Material	Black Oxide	12 ～ 30	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	10	General Steel Material	Black Oxide	12	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	13	General Steel Material	Black Oxide	12 ～ 17	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	15	General Steel Material	Black Oxide	12 ～ 22	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	20	General Steel Material	Black Oxide	15 ～ 30	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	26	General Steel Material	Black Oxide	20 ～ 44	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2	30	General Steel Material	Black Oxide	20 ～ 47	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	10	General Steel Material	Black Oxide	12 ～ 14	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	13	General Steel Material	Black Oxide	15 ～ 22	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	15	General Steel Material	Black Oxide	15 ～ 26	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	20	General Steel Material	Black Oxide	20 ～ 44	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	26	General Steel Material	Black Oxide	20 ～ 50	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	2.5	30	General Steel Material	Black Oxide	20 ～ 50	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	10	General Steel Material	Black Oxide	15 ～ 21	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	13	General Steel Material	Black Oxide	20 ～ 30	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	15	General Steel Material	Black Oxide	20 ～ 34	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	20	General Steel Material	Black Oxide	20 ～ 44	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]
-	1	12 Days	10	3	26	General Steel Material	Black Oxide	20 ～ 50	Keyway Hole + Tap	EN 1.1191 Equiv.	Left [L] / Right [R]

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Basic information

Heat Treatment(φ)	Not Provided	Ground Tooth	Not Provided	Surface Treatment	Not Provided

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Basic Attributes

Module
1

1.5

2

2.5

3
Clear
Number of Teeth(Teeth)
10

13

15

20

26

30
Clear
Material(mm)
- General Steel Material
- Stainless Steel
- Resin
Clear
Shaft Bore Dia., Shaft Dia.
6

6.35

7

8

9

10

12
[8-65/1]
Clear
Shaft Hole Specifications
- Keyway Hole + Tap
- Round Hole
- Round Hole + Tap
Clear
Material
- EN 1.1191 Equiv.
- EN 1.4301 Equiv.
- MC Nylon
Clear
Twisting Direction
- Left [L]
- Right [R]
Clear
Type
- NEGHB
- NEGHM
- NEGHN
- NEGHS
- NEGKB
- NEGKN
- NEGKS
- NEGTB
- NEGTM
- NEGTN
- NEGTS
Clear
Surface Treatment
- Not Provided
- Black Oxide
Clear
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