Spur gears / bonded / plastic

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

Spur Gears/Bonded Plastic/Pressure Angle 20Deg.:Related Image

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Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Spur Gears

Type			Material		Accessory
Straight Bore	Straight Bore + Tap	Keyway + Tap	Teeth	Core	Accessory
GEYH	GEYT	GEYK	MC Nylon	EN 1.1158 Equiv.	Set Screw (EN 1.7220 Equiv., Black Oxide)

Further specifications can be found under the tab More Information.

Composition of a Product Code - Spur Gears

Part Number	-	Number of Teeth	-	B	-	Gear Shape	-	P
GEYT1.5 GEYK2.0	- -	40 30	- -	15 20	- -	B B	- -	18 15N

Alterations - Spur Gears

General Information - Spur Gears

Spur gears - front gear with through hole - spur gear with spring pin - spur gear made of brass - brass pinion - plastic - spur gear with ball bearing

Selection details of spur gears

- Material: steel, stainless steel, sintered steel, nylon, polyacetal, brass, aluminum, cast iron

- Coatings: burnished, nickel-plated

- Heat treatment: induction hardened

- Shaft diameter tolerances: H7, H8

- Tooth flank clearance: N5, N7, N8, N9, N12

- Module: 0.3, 0.5, 0.75, 0.8, 1, 1.25, 1.5, 2, 2.5, 3, 4, 4.5, 5, 6, 8, 10, 15, 20

- Pressure angle: 20°

- Shaft diameter: 2 mm to 50 mm

- Number of teeth: 8 to 200

- Tooth width: 2 mm to 90 mm

Description/Basics

The spur gears offered are generally machine elements that serve the non-slip transmission of force, movement transmission or movement change. The teeth of the cylinder wheels grip each other during transmission and largely roll over the tooth flanks. The tooth shape of the spur gear is convexly shaped in the shaped tooth system. At the beginning of the intervention, a rolling resistance acts on the tooth flank, which becomes a sliding friction in the course of the rotation.

A combination of gear wheels and rack gears is useful in the construction of rack gear. This allows motor rotary motion or other rotary motion to be converted into linear motion. rack gear boxes are theoretically possible in an endless assembly. Limits here only set the length of the rack gears for the rack gear drive.

Gear wheels with straight gearing are particularly suitable for the construction of gearboxes. The advantage of straight gearing as opposed to helical gears, is the possibility of transmitting a higher torque. It should be noted that with increasing speed within the transmission ratio or reduction, the torque to be transmitted decreases.

When designing spur gear pairs, the ratio of the gear ratio (number of teeth) and the module of the respective gear wheels must be observed.
The backlash is another important factor that must be considered during construction. Reverse play is understood as the result of the play that the change in the direction of rotation of a single gear wheel pair between the teeth. The risk of reverse play can be reduced if either the diameter or the number of teeth of the cogwheel pairing do not deviate too much from one another. If high wear is to be expected due to the pairing of gears, the MISUMI online shop offers gears with a hardened key-type.

For applications with the same rotational direction, it is possible to use an intermediate gear with integrated bearing on a cantilever shaft. The bearing number used can be found under the tab More Information. An overview of tolerances and permissible radial bearing deviations can be found in the following PDF.

In addition to gear wheels, MISUMI also offers suitable rotary shafts for the construction of a transmission. The straight front wheels can be assembled on these and secured with a set screw or machine keys (key with adjusting screw). This PDF provides an overview of the configurable mountings for the shaft rotation and keyway tolerances.
The continuous adjusting of a spur gear can be realized, among other things, by means of a clamping sleeve. The MISUMI online shop offers spur gears with clamping sleeve. Alternatively, we also offer individual keyless bushing that you can customize to your needs.

Application Examples - Spur Gears

Application example: workpiece transport - spur gear - rack gear - roller bearings - workpiece

Application example - spur gear with rack gear
(1) Spur gear, (2) Clamping knobs, (3) Rack gear

Application example: rack gear - spur gear with rack gear - handle - rotary handle

Application example - spur gear
(1) Spur gear, (2) Workpiece, (3) Rollers

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
GEYH1.0-30-10-B-[8-12/1]
GEYH1.0-32-10-B-[8-12/1]
GEYH1.0-34-10-B-[8-12/1]
GEYH1.0-35-10-B-[8-12/1]
GEYH1.0-36-10-B-[8-12/1]
GEYH1.0-38-10-B-[8-16/1]
GEYH1.0-40-10-B-[10-16/1]
GEYH1.0-42-10-B-[10-16/1]
GEYH1.0-45-10-B-[10-16/1]
GEYH1.0-48-10-B-[10-19/1]
GEYH1.0-50-10-B-[10-19/1]
GEYH1.0-52-10-B-[10-19/1]
GEYH1.0-56-10-B-[10-26/1]
GEYH1.0-60-10-B-[10-26/1]
GEYH1.0-70-10-B-[10-28/1]
GEYH1.0-75-10-B-[10-28/1]
GEYH1.5-28-15-B-[10-16/1]
GEYH1.5-30-15-B-[10-16/1]
GEYH1.5-32-15-B-[10-19/1]
GEYH1.5-34-15-B-[10-19/1]
GEYH1.5-35-15-B-[10-23/1]
GEYH1.5-36-15-B-[10-23/1]
GEYH1.5-40-15-B-[10-26/1]
GEYH1.5-42-15-B-[10-28/1]
GEYH1.5-45-15-B-[10-28/1]
GEYH1.5-48-15-B-[10-28/1]
GEYH1.5-50-15-B-[12-28/1]
GEYH2.0-20-20-B-[10-15/1]
GEYH2.0-22-20-B-[10-16/1]
GEYH2.0-24-20-B-[10-19/1]
GEYH2.0-25-20-B-[10-19/1]
GEYH2.0-28-20-B-[10-24/1]
GEYH2.0-30-20-B-[10-24/1]
GEYH2.0-32-20-B-[12-28/1]
GEYH2.0-34-20-B-[12-28/1]
GEYH2.0-35-20-B-[12-28/1]
GEYH2.0-36-20-B-[12-28/1]
GEYH2.5-18-25-B-[12-17/1]
GEYH2.5-20-25-B-[12-19/1]
GEYH2.5-22-25-B-[12-24/1]
GEYH2.5-24-25-B-[12-24/1]
GEYH2.5-25-25-B-[12-24/1]
GEYH2.5-26-25-B-[12-28/1]
GEYH2.5-28-25-B-[12-28/1]
GEYH3.0-16-30-B-[12-16/1]
GEYH3.0-18-30-B-[12-21/1]
GEYH3.0-20-30-B-[12-23/1]
GEYH3.0-22-30-B-[12-26/1]
GEYH3.0-24-30-B-[12-30/1]
GEYK1.0-30-10-B-8N
GEYK1.0-30-10-B-10K
GEYK1.0-30-10-B-10N
GEYK1.0-32-10-B-8N
GEYK1.0-32-10-B-10K
GEYK1.0-32-10-B-10N
GEYK1.0-34-10-B-8N
GEYK1.0-34-10-B-10K
GEYK1.0-34-10-B-10N
GEYK1.0-35-10-B-8N
GEYK1.0-35-10-B-10K

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Number of Teeth (Teeth)	Tooth Width B (mm)	Hole Shape
-	1	9 Days	10	30	10	Round Hole
-	1	9 Days	10	32	10	Round Hole
-	1	9 Days	10	34	10	Round Hole
-	1	9 Days	10	35	10	Round Hole
-	1	9 Days	10	36	10	Round Hole
-	1	9 Days	10	38	10	Round Hole
-	1	9 Days	10	40	10	Round Hole
-	1	9 Days	10	42	10	Round Hole
-	1	9 Days	10	45	10	Round Hole
-	1	9 Days	10	48	10	Round Hole
-	1	9 Days	10	50	10	Round Hole
-	1	9 Days	10	52	10	Round Hole
-	1	9 Days	10	56	10	Round Hole
-	1	9 Days	10	60	10	Round Hole
-	1	9 Days	10	70	10	Round Hole
-	1	9 Days	10	75	10	Round Hole
-	1	9 Days	10	28	15	Round Hole
-	1	9 Days	10	30	15	Round Hole
-	1	9 Days	10	32	15	Round Hole
-	1	9 Days	10	34	15	Round Hole
-	1	9 Days	10	35	15	Round Hole
-	1	9 Days	10	36	15	Round Hole
-	1	9 Days	10	40	15	Round Hole
-	1	9 Days	10	42	15	Round Hole
-	1	9 Days	10	45	15	Round Hole
-	1	9 Days	10	48	15	Round Hole
-	1	9 Days	10	50	15	Round Hole
-	1	9 Days	10	20	20	Round Hole
-	1	9 Days	10	22	20	Round Hole
-	1	9 Days	10	24	20	Round Hole
-	1	9 Days	10	25	20	Round Hole
-	1	9 Days	10	28	20	Round Hole
-	1	9 Days	10	30	20	Round Hole
-	1	9 Days	10	32	20	Round Hole
-	1	9 Days	10	34	20	Round Hole
-	1	9 Days	10	35	20	Round Hole
-	1	9 Days	10	36	20	Round Hole
-	1	9 Days	10	18	25	Round Hole
-	1	9 Days	10	20	25	Round Hole
-	1	9 Days	10	22	25	Round Hole
-	1	9 Days	10	24	25	Round Hole
-	1	9 Days	10	25	25	Round Hole
-	1	9 Days	10	26	25	Round Hole
-	1	9 Days	10	28	25	Round Hole
-	1	9 Days	10	16	30	Round Hole
-	1	9 Days	10	18	30	Round Hole
-	1	9 Days	10	20	30	Round Hole
-	1	9 Days	10	22	30	Round Hole
-	1	9 Days	10	24	30	Round Hole
-	1	9 Days	10	30	10	Keyway Hole + Tap
-	1	9 Days	10	30	10	Keyway Hole + Tap
-	1	9 Days	10	30	10	Keyway Hole + Tap
-	1	9 Days	10	32	10	Keyway Hole + Tap
-	1	9 Days	10	32	10	Keyway Hole + Tap
-	1	9 Days	10	32	10	Keyway Hole + Tap
-	1	9 Days	10	34	10	Keyway Hole + Tap
-	1	9 Days	10	34	10	Keyway Hole + Tap
-	1	9 Days	10	34	10	Keyway Hole + Tap
-	1	9 Days	10	35	10	Keyway Hole + Tap
-	1	9 Days	10	35	10	Keyway Hole + Tap

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

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Specification Tables - Spur Gears

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7 (1mm Increment)		d Reference Dia.	D Tip Dia.	G Root Dia.	H	E	L	ℓ	*1. Allowable Transmission Force (N • m) Bending Strength	Unit Price 1 ~ 4 pc(s).
Type	Module				Straight Bore Straight Bore + Tap	Keyway + Tap									Straight Bore	Straight Bore + Tap	Keyway + Tap
Type	Module				Straight Bore Straight Bore + Tap	Keyway + Tap									GEYH	GEYT	GEYK
Straight Bore GEYH Straight Bore + Tap GEYT Keyway + Tap GEYK	1.0	30	10	B	8~12	8N~10N	30	32	27.5	18	20	20	10	1.03
		32					32	34	29.5					1.11
		34					34	36	31.5					1.20
		35					35	37	32.5					1.25
		36					36	38	33.5					1.30
		38			8~16	8N~13N	38	40	35.5	23	25			1.39
		40			10~16	10N~13N	40	42	37.5					1.48
		42					42	44	39.5					1.57
		45					45	47	42.5					1.71
		48			10~19	10N~17N	48	50	45.5	28	30			1.86
		50					50	52	47.5					1.96
		52					52	54	49.5					2.05
		56			10~26	10N~23N	56	58	53.5	38	40			2.24
		60			10~26	10N~23N	60	62	57.5	38	40			2.44
		70			10~28	10N~24N	70	72	67.5	40	45			2.88
		75			10~28	10N~24N	75	77	72.5	40	45			3.11
	1.5	28	15		10~16	10N~13N	42	45	38.25	23	25	27	12	3.18
		30			10~16	10N~13N	45	48	41.25	23	25			3.46
		32			10~19	10N~17N	48	51	44.25	28	30			3.76
		34			10~19	10N~17N	51	54	47.25	28	30			4.06
		35			10~23	10N~20N	52.5	55.5	48.75	33	40			4.22
		36			10~23	10N~20N	54	57	50.25	33				4.38
		40			10~26	10N~23N	60	63	56.25	38				5.00
		42			10~28	10N~24N	63	66	59.25	40	45			5.31
		45					67.5	70.5	63.75					5.78
		48					72	75	68.25					6.27
		50			12~28	12N~24N	75	78	71.25					6.60
	2.0	20	20		10~15	10N~13N	40	44	35	22	25	34	14	4.91
		22			10~16	10N~13N	44	48	39	23	25			5.55
		24			10~19	10N~17N	48	52	43	28	30			6.19
		25			10~19	10N~17N	50	54	45	28	30			6.54
		28			10~24	10N~21N	56	60	51	35	40			7.54
		30			10~24	10N~21N	60	64	55	35	40			8.20
		32			12~28	12N~24N	64	68	59	40	45			8.91
		34					68	72	63					9.63
		35					70	74	65					9.99
		36					72	76	67					10.38

Shaft bore diameter 9N is not available for Keyway 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
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.
For orders larger than indicated quantity, please request a quotation.

■Module 2.5, 3.0

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. P_H7 (1mm Increment)		d Reference Dia.	D Tip Dia.	G Root Dia.	H	E	L	ℓ	*1. Allowable Transmission Force (N • m) Bending Strength	Unit Price 1 ~ 4 pc(s).
Type	Module				Straight Bore Straight Bore + Tap	Keyway + Tap									Straight Bore	Straight Bore + Tap	Keyway + Tap
Type	Module				Straight Bore Straight Bore + Tap	Keyway + Tap									GEYH	GEYT	GEYK
Straight Bore GEYH Straight Bore + Tap GEYT Keyway + Tap GEYK	2.5	18	25	B	12~17	12N~15N	45	50	38.75	25	30	40	15	8.28
		20			12~19	12N~17N	50	55	43.75	28	40			9.59
		22			12~24	12N~21N	55	60	48.75	35	40			10.84
		24					60	65	53.75		45			12.10
		25					62.5	67.5	56.25					12.78
		26			12~28	12N~24N	65	70	58.75	40				13.47
		28			12~28	12N~24N	70	75	63.75	40				14.73
	3.0	16	30		12~16	12N~14N	48	54	40.5	24	30	47	17	12.25
		18			12~21	12N~18N	54	60	46.5	30	40			14.31
		20			12~23	12N~20N	60	66	52.5	33	45			16.56
		22			12~26	12N~23N	66	72	58.5	38				18.72
		24			12~30	12N~26N	72	78	64.5	43				20.90

*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.
For orders larger than indicated quantity, please request a quotation.

Alterations - Spur Gears

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Basic information

Material (Details)	Resin	Shape	Shape B	Surface Treatment	Not Provided
Ground Tooth	Not Provided	Backlash	Provided	Precision(Old JIS)	JIS B 1702 (Class 5)

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Basic Attributes

Number of Teeth(Teeth)
16

18

20

22

24

25

26

28

30

32

34

35

36

38

40

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45

48

50

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Tooth Width B(mm)
10

15

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25

30
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Hole Shape
- Keyway Hole + Tap
- Round Hole
- Round Hole + Tap
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Type
- GEYH1.0
- GEYH1.5
- GEYH2.0
- GEYH2.5
- GEYH3.0
- GEYK1.0
- GEYK1.5
- GEYK2.0
- GEYK2.5
- GEYK3.0
- GEYT1.0
- GEYT1.5
- GEYT2.0
- GEYT2.5
- GEYT3.0
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Optional Attributes

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

Frequently Asked Questions (FAQ)

Question:
Can different modules be combined with each other?: Answer:
Since the module describes the division of the teeth along the pitch circle diameter, various modules cannot be combined into one pair of gears.
Question:
What is involute gearing?: Answer:
Evolved gearing is understood to be the convex production of a tooth flank. The sliding friction along the tooth flank can thus be minimized. This also reduces wear and tear.
Question:
What is the pressure angle?: Answer:
The pressure angle is defined as the angle of the highest drive force between two gears. A combination of different pressure angles is not recommended, since increased wear is to be expected.
Question:
Is the position of the keyway to the key-type specified?: Answer:
The keyway has no specified position reference to the tooth base or the head surface of the sprocket.
Question:
What is the reverse clearance?: Answer:
The reverse play arises at the moment of the direction of rotation of a spur gear pairing is changed. It describes the gap between the gear flanks of each tooth in engagement.