Spur gears with clamping sleeve / contact angle 20 degrees

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

Keyless Spur Gears/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		Surface Treatment		Accessory
	Gears	Bushing	Gears	Bushing
GEAL	EN 1.1191 Equiv.	EN 1.1191 Equiv.	-	-	Hex Socket Head Cap Screw EN 1.7220 Equiv., Black Oxide
GEALB			Black Oxide
GEALG			Electroless Nickel Plating

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	-	Shaft Bore Dia. d
GEAL1.0	-	40	-	10	-	G	-	10

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
GEALG1.0-35-10-G-[8,10]
GEALG1.0-36-10-G-[8,10]
GEALG1.0-38-10-G-[8,10]
GEALG1.0-40-10-G-[8,10,11,12]
GEALG1.0-42-10-G-[8,10,11,12]
GEALG1.0-45-10-G-[8,10,11,12]
GEALG1.0-48-10-G-[8,10,11,12,14,15,16,17,18]
GEALG1.0-50-10-G-[8,10,11,12,14,15,16,17,18]
GEALG1.0-52-10-G-[8,10,11,12,14,15,16,17,18]
GEALG1.0-60-10-G-[10,11,12,14,15,16,17,18]
GEALG1.0-70-10-G-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.0-80-10-G-[15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.0-100-10-G-[17,18,19,20,22,24,25,28,30,32]
GEALG1.0-120-10-G-[17,18,19,20,22,24,25,28,30,32]
GEALG1.5-20-15-E-8
GEALG1.5-20-15-G-8
GEALG1.5-24-15-E-8
GEALG1.5-24-15-G-8
GEALG1.5-25-15-E-8
GEALG1.5-25-15-G-8
GEALG1.5-26-15-E-8
GEALG1.5-26-15-G-8
GEALG1.5-28-15-E-[8,10,11,12]
GEALG1.5-28-15-G-[8,10,11,12]
GEALG1.5-30-15-E-[8,10,11,12]
GEALG1.5-30-15-G-[8,10,11,12]
GEALG1.5-32-15-E-[8,10,11,12,14,15,16,17]
GEALG1.5-32-15-G-[8,10,11,12,14,15,16,17]
GEALG1.5-35-15-E-[8,10,11,12,14,15,16,17,18]
GEALG1.5-35-15-G-[8,10,11,12,14,15,16,17,18]
GEALG1.5-36-15-E-[8,10,11,12,14,15,16,17,18]
GEALG1.5-36-15-G-[8,10,11,12,14,15,16,17,18]
GEALG1.5-40-15-E-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30]
GEALG1.5-40-15-G-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30]
GEALG1.5-48-15-E-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-48-15-G-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-50-15-E-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-50-15-G-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-52-15-E-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-52-15-G-[8,10,11,12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-60-15-E-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-60-15-G-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-70-15-E-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-70-15-G-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-80-15-E-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG1.5-80-15-G-[12,14,15,16,17,18,19,20,22,24,25,28,30,32]
GEALG2.0-15-20-E-8
GEALG2.0-15-20-G-8
GEALG2.0-18-20-E-8
GEALG2.0-18-20-G-8
GEALG2.0-20-20-E-8
GEALG2.0-20-20-F-8
GEALG2.0-20-20-G-8
GEALG2.0-24-20-E-[8,10,11,12,14,15,16,17]
GEALG2.0-24-20-F-[8,10,11,12]
GEALG2.0-24-20-G-[8,10,11,12,14,15,16,17]
GEALG2.0-25-20-E-[8,10,11,12,14,15,16,17]
GEALG2.0-25-20-F-[8,10,11,12]
GEALG2.0-25-20-G-[8,10,11,12,14,15,16,17]
GEALG2.0-26-20-E-[8,10,11,12,14,15,16,17,18]

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Number of Teeth (Teeth)	Surface Treatment	Shaft Bore Dia. (Ø)	Tooth Width B (mm)	Keyless Hub Spur Gear Shapes
-	1	12 Days	10	35	Electroless Nickel Plating	8 ～ 10	10	Shape G
-	1	12 Days	10	36	Electroless Nickel Plating	8 ～ 10	10	Shape G
-	1	12 Days	10	38	Electroless Nickel Plating	8 ～ 10	10	Shape G
-	1	12 Days	10	40	Electroless Nickel Plating	8 ～ 12	10	Shape G
-	1	12 Days	10	42	Electroless Nickel Plating	8 ～ 12	10	Shape G
-	1	12 Days	10	45	Electroless Nickel Plating	8 ～ 12	10	Shape G
-	1	12 Days	10	48	Electroless Nickel Plating	8 ～ 18	10	Shape G
-	1	12 Days	10	50	Electroless Nickel Plating	8 ～ 18	10	Shape G
-	1	12 Days	10	52	Electroless Nickel Plating	8 ～ 18	10	Shape G
-	1	12 Days	10	60	Electroless Nickel Plating	10 ～ 18	10	Shape G
-	1	12 Days	10	70	Electroless Nickel Plating	12 ～ 32	10	Shape G
-	1	12 Days	10	80	Electroless Nickel Plating	15 ～ 32	10	Shape G
-	1	12 Days	10	100	Electroless Nickel Plating	17 ～ 32	10	Shape G
-	1	12 Days	10	120	Electroless Nickel Plating	17 ～ 32	10	Shape G
-	1	12 Days	10	20	Electroless Nickel Plating	8	15	Shape E
-	1	12 Days	10	20	Electroless Nickel Plating	8	15	Shape G
-	1	12 Days	10	24	Electroless Nickel Plating	8	15	Shape E
-	1	12 Days	10	24	Electroless Nickel Plating	8	15	Shape G
-	1	12 Days	10	25	Electroless Nickel Plating	8	15	Shape E
-	1	12 Days	10	25	Electroless Nickel Plating	8	15	Shape G
-	1	12 Days	10	26	Electroless Nickel Plating	8	15	Shape E
-	1	12 Days	10	26	Electroless Nickel Plating	8	15	Shape G
-	1	12 Days	10	28	Electroless Nickel Plating	8 ～ 12	15	Shape E
-	1	12 Days	10	28	Electroless Nickel Plating	8 ～ 12	15	Shape G
-	1	12 Days	10	30	Electroless Nickel Plating	8 ～ 12	15	Shape E
-	1	12 Days	10	30	Electroless Nickel Plating	8 ～ 12	15	Shape G
-	1	12 Days	10	32	Electroless Nickel Plating	8 ～ 17	15	Shape E
-	1	12 Days	10	32	Electroless Nickel Plating	8 ～ 17	15	Shape G
-	1	12 Days	10	35	Electroless Nickel Plating	8 ～ 18	15	Shape E
-	1	12 Days	10	35	Electroless Nickel Plating	8 ～ 18	15	Shape G
-	1	12 Days	10	36	Electroless Nickel Plating	8 ～ 18	15	Shape E
-	1	12 Days	10	36	Electroless Nickel Plating	8 ～ 18	15	Shape G
-	1	12 Days	10	40	Electroless Nickel Plating	8 ～ 30	15	Shape E
-	1	12 Days	10	40	Electroless Nickel Plating	8 ～ 30	15	Shape G
-	1	12 Days	10	48	Electroless Nickel Plating	8 ～ 32	15	Shape E
-	1	12 Days	10	48	Electroless Nickel Plating	8 ～ 32	15	Shape G
-	1	12 Days	10	50	Electroless Nickel Plating	8 ～ 32	15	Shape E
-	1	12 Days	10	50	Electroless Nickel Plating	8 ～ 32	15	Shape G
-	1	12 Days	10	52	Electroless Nickel Plating	8 ～ 32	15	Shape E
-	1	12 Days	10	52	Electroless Nickel Plating	8 ～ 32	15	Shape G
-	1	12 Days	10	60	Electroless Nickel Plating	12 ～ 32	15	Shape E
-	1	12 Days	10	60	Electroless Nickel Plating	12 ～ 32	15	Shape G
-	1	12 Days	10	70	Electroless Nickel Plating	12 ～ 32	15	Shape E
-	1	12 Days	10	70	Electroless Nickel Plating	12 ～ 32	15	Shape G
-	1	12 Days	10	80	Electroless Nickel Plating	12 ～ 32	15	Shape E
-	1	12 Days	10	80	Electroless Nickel Plating	12 ～ 32	15	Shape G
-	1	12 Days	10	15	Electroless Nickel Plating	8	20	Shape E
-	1	12 Days	10	15	Electroless Nickel Plating	8	20	Shape G
-	1	12 Days	10	18	Electroless Nickel Plating	8	20	Shape E
-	1	12 Days	10	18	Electroless Nickel Plating	8	20	Shape G
-	1	12 Days	10	20	Electroless Nickel Plating	8	20	Shape E
-	1	12 Days	10	20	Electroless Nickel Plating	8	20	Shape F
-	1	12 Days	10	20	Electroless Nickel Plating	8	20	Shape G
-	1	12 Days	10	24	Electroless Nickel Plating	8 ～ 17	20	Shape E
-	1	12 Days	10	24	Electroless Nickel Plating	8 ～ 12	20	Shape F
-	1	12 Days	10	24	Electroless Nickel Plating	8 ～ 17	20	Shape G
-	1	12 Days	10	25	Electroless Nickel Plating	8 ～ 17	20	Shape E
-	1	12 Days	10	25	Electroless Nickel Plating	8 ～ 12	20	Shape F
-	1	12 Days	10	25	Electroless Nickel Plating	8 ～ 17	20	Shape G
-	1	12 Days	10	26	Electroless Nickel Plating	8 ～ 18	20	Shape E

Back to the Category Spur Gears

Technical Drawing - Spur Gears

Open the technical drawing in the new window

Specification Tables - Spur Gears

Part Number		Number of Teeth	B	Gear Shape	Shaft Bore Dia. dH7 (select from Table 1 on next page)			E Reference Dia.	F Tip Dia.	G Root Dia.	ℓ₁	L₁	H	*1. Allowable Transmission Force (N, m) Bending Strength	Unit Price
Type	Module				Shape E, G	Shape F									GEAL			GEALB			GEALG
Type	Module				ST Bushing	ST Bushing	SH Bushing								Shape E	Shape F	Shape G	Shape E	Shape F	Shape G	Shape E	Shape F	Shape G
GEAL GEALB GEALG	1.0	35	10	G	8~10	-	-	35	37	32.5	10	20	30	12.13	-	-		-	-		-	-
		36						36	38	33.5				12.52
		38						38	40	35.5				13.46
		40			8~12			40	42	37.5				14.31
		42						42	44	39.5				15.24
		45						45	47	42.5				16.66
		48			8~18			48	50	45.5			44	18.04
		50						50	52	47.5			46	18.95
		52						52	54	49.5			46	19.87
		60			10~18			60	62	57.5			50	23.64
		70			12~32			70	72	67.5			56	28.31
		80			15~32			80	82	77.5			60	32.98
		100			17~32			100	102	97.5			60	42.59
		120			17~32			120	122	117.5			70	51.87
	1.5	20	15	E G	8	-	-	30	33	26.25	12	27	25	18.81		-			-			-
		24						36	39	32.25			30	24.45
		25						37.5	40.5	33.75			30	25.92
		26						39	42	35.25			32	27.42
		28			8~12			42	45	38.25			34	30.43
		30			8~12			45	48	41.25			35	33.30
		32			8~17			48	51	44.25			40	36.11
		35			8~18			52.5	55.5	48.75				40.93
		36			8~18			54	57	50.25				42.24
		40			8~30			60	63	56.25			45	48.31
		48			8~32			72	75	68.25			50	60.90
		50						75	78	71.25				63.97
		52						78	81	74.25				67.07
		60			12~32			90	93	86.25			55	79.80
		70						105	108	101.25			65	95.56
		80						120	123	116.25			65	111.30
	2.0	15	20	E F G	8	-	-	30	34	25	14	34	24	28.65		-			-			-
		18					-	36	40	31			30	38.07		-			-			-
		20					8	40	44	35			33	44.59
		24			8~17		8~12	48	52	43			40	57.96
		25			8~17			50	54	45			40	61.43
		26			8~18			52	56	47			42	64.99
		30						60	64	55			48	78.93
		32						64	68	59			50	85.59
		36			10~32			72	76	67			55	100.13
		40						80	84	75			60	114.52
		48						96	100	91			62	144.35
		50						100	104	95			62	151.64
		52			12~32			104	108	99			65	158.99
		60			12~32			120	124	115			65	189.16
	2.5	14	25	E F G	8	-	-	35	40	28.75	16	41	25	49.96		-			-			-
		15					-	37.5	42.5	31.25			30	55.96		-			-			-
		16					8	40	45	33.75			32	61.98
		18			8~14		8	45	50	38.75			38	74.36
		20			8~14	8~12	-	50	55	43.75			40	87.09
		24			8~22		14~19	60	65	53.75			48	113.19
		25			8~25			62.5	67.5	56.25			50	119.98
		28						70	75	63.75			60	140.86
		30						75	80	68.75			65	154.16
		32			10~28			80	85	73.75			70	167.17
		36			10~35			90	95	83.75			75	195.56
		40			10~42			100	105	93.75			80	223.66
		48			12~50			120	125	113.75			85	281.94
		50			12~50			125	130	118.75			85	296.17
	3.0	12	30	E F G	8	-	-	36	42	28.5	18	48	27	66.66		-			-			-
		14			8, 10	-	-	42	48	34.5			32	86.33		-			-			-
		15			8~12	8	-	45	51	37.5			35	96.70
		16			8~17	8~10	11	48	54	40.5			40	107.10
		18				8~15	-	54	60	46.5			44	128.50
		20				8~17	18, 19	60	66	52.5			50	150.49
24		8~25			8~25	28	72	78	64.5	58			195.60
25		8~25				28, 30	75	81	67.5	60			207.33
28		10~35				28~35	84	90	76.5	70			243.41
30							90	96	82.5	75			266.40
32							96	102	88.5	75			288.88
36		12~42					108	114	100.5	80			337.93
40		12~45					120	126	112.5	85			386.49

*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.ailable for stainless steel type (GEAHS, GEAS and GEAKS).
Shaft bore diameter 9N is not available for Keyway Bore + Tap.
Specify 10K as the 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 diameter 6.35 is available for Straight Bore and Straight Bore + Tap.
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.
Tooth width is calculated as 6mm.

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Basic information

Material (Details)	General Steel Material	Shape	Shape A / Shape B	Ground Tooth	Not Provided
Backlash	Provided	Precision(Old JIS)	JIS B 1702 (Class 4)

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Basic Attributes

Number of Teeth(Teeth)
12

14

15

16

18

20

24

25

26

28

30

32

35

36

38

40

42

45

48

50

52

60

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120
Clear
Shaft Bore Dia.(Ø)
8

10

11

12

14

15

16

17

18

19

20

22

24

25

26

28

30

32

35

38

40

42

45

48

50
Clear
Tooth Width B(mm)
10

15

20

25

30
Clear
Keyless Hub Spur Gear Shapes
- Shape E
- Shape F
- Shape G
Clear
Type
- GEAL
- GEALB
- GEALG
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Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
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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.