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Spur gears / contact angle 20 degrees / module 2.0

Spur gears / contact angle 20 degrees / module 2.0
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Back to the Category Spur Gears

Technical Drawing - Spur Gears

Spur Gears/Pressure Angle 20Deg./Module 2.0:Related Image
Open the technical drawing in the new window

 

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
Straight BoreStraight Bore + TapKeyway, Keyway + Tap
GEAHBGEABGEAKBEN 1.1191 Equiv.-Set Screw
(EN 1.7220 Equiv., Black Oxide)
GEAHBBGEABBGEAKBBBlack Oxide
-GEABGGEAKBGElectroless Nickel Plating
GEAHS-GEAKSEN 1.4301 Equiv.-Set Screw (EN 1.4301 Equiv.)
Set Screw is not included in Un-tapped Type products.

Further specifications can be found under the tab More Information.

Composition of a Product Code - Spur Gears

Part Number-Numbe
of Teeth		-B-Gear Shape-P
GEAKBG2.0
GEAHB2.0		-
-		15
30		-
-		20
20		-
-		B
A		-
-		10N
8

Alterations - Spur Gears

Spur Gears/Pressure Angle 20Deg./Module 2.0:Related Image

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
GEAB2.0-12-20-B-8
GEAB2.0-13-20-B-[8-11/1]
GEAB2.0-14-20-B-[8-11/1]
GEAB2.0-15-20-B-[8-15/1]
GEAB2.0-16-20-B-[8-16/1]
GEAB2.0-17-20-B-[8-19/1]
GEAB2.0-18-20-B-[8-21/1]
GEAB2.0-19-20-B-[8-21/1]
GEAB2.0-20-20-B-[8-23/1]
GEAB2.0-21-20-B-[8-23/1]
GEAB2.0-22-20-B-[8-25/1]
GEAB2.0-23-20-B-[8-25/1]
GEAB2.0-24-20-B-[8-28/1]
GEAB2.0-25-20-B-[8-28/1]
GEAB2.0-26-20-B-[8-29/1]
GEAB2.0-27-20-B-[8-31/1]
GEAB2.0-28-20-B-[8-31/1]
GEAB2.0-29-20-B-[8-32/1]
GEAB2.0-30-20-B-[8-33/1]
GEAB2.0-32-20-B-[8-35/1]
GEAB2.0-33-20-B-[8-38/1]
GEAB2.0-34-20-B-[10-35/1]
GEAB2.0-35-20-B-[10-36/1]
GEAB2.0-36-20-B-[10-38/1]
GEAB2.0-38-20-B-[10-38/1]
GEAB2.0-39-20-B-[10-43/1]
GEAB2.0-40-20-B-[10-42/1]
GEAB2.0-42-20-B-[10-42/1]
GEAB2.0-44-20-B-[10-42/1]
GEAB2.0-45-20-B-[10-42/1]
GEAB2.0-46-20-B-[10-42/1]
GEAB2.0-48-20-B-[10-43/1]
GEAB2.0-49-20-B-[10-50/1]
GEAB2.0-50-20-B-[10-43/1]
GEAB2.0-51-20-B-[12-52/1]
GEAB2.0-52-20-B-[12-45/1]
GEAB2.0-54-20-B-[12-45/1]
GEAB2.0-55-20-B-[12-45/1]
GEAB2.0-56-20-B-[12-45/1]
GEAB2.0-57-20-B-[12-52/1]
GEAB2.0-58-20-B-[12-45/1]
GEAB2.0-60-20-B-[12-45/1]
GEAB2.0-62-20-B-[15-45/1]
GEAB2.0-63-20-B-[15-52/1]
GEAB2.0-64-20-B-[15-45/1]
GEAB2.0-65-20-B-[15-45/1]
GEAB2.0-66-20-B-[15-52/1]
GEAB2.0-68-20-B-[15-45/1]
GEAB2.0-69-20-B-[15-52/1]
GEAB2.0-70-20-B-[15-45/1]
GEAB2.0-72-20-B-[15-45/1]
GEAB2.0-75-20-B-[20-45/1]
GEAB2.0-76-20-B-[20-52/1]
GEAB2.0-77-20-B-[20-52/1]
GEAB2.0-78-20-B-[20-52/1]
GEAB2.0-80-20-B-[20-52/1]
GEAB2.0-81-20-B-[20-55/1]
GEAB2.0-84-20-B-[20-55/1]
GEAB2.0-85-20-B-[20-55/1]
GEAB2.0-88-20-B-[20-55/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSNumber of Teeth
(Teeth) 		Material (Details) Shaft Bore Dia.
(Ø) 		Hole Shape

-

1 8 Days 1012General Steel Material8Round Hole + Tap

-

1 8 Days 1013General Steel Material8 ～ 11Round Hole + Tap

-

1 8 Days 1014General Steel Material8 ～ 11Round Hole + Tap

-

1 8 Days 1015General Steel Material8 ～ 15Round Hole + Tap

-

1 8 Days 1016General Steel Material8 ～ 16Round Hole + Tap

-

1 8 Days 1017General Steel Material8 ～ 19Round Hole + Tap

-

1 8 Days 1018General Steel Material8 ～ 21Round Hole + Tap

-

1 8 Days 1019General Steel Material8 ～ 21Round Hole + Tap

-

1 8 Days 1020General Steel Material8 ～ 23Round Hole + Tap

-

1 8 Days 1021General Steel Material8 ～ 23Round Hole + Tap

-

1 8 Days 1022General Steel Material8 ～ 25Round Hole + Tap

-

1 8 Days 1023General Steel Material8 ～ 25Round Hole + Tap

-

1 8 Days 1024General Steel Material8 ～ 28Round Hole + Tap

-

1 8 Days 1025General Steel Material8 ～ 28Round Hole + Tap

-

1 8 Days 1026General Steel Material8 ～ 29Round Hole + Tap

-

1 8 Days 1027General Steel Material8 ～ 31Round Hole + Tap

-

1 8 Days 1028General Steel Material8 ～ 31Round Hole + Tap

-

1 8 Days 1029General Steel Material8 ～ 32Round Hole + Tap

-

1 8 Days 1030General Steel Material8 ～ 33Round Hole + Tap

-

1 8 Days 1032General Steel Material8 ～ 35Round Hole + Tap

-

1 7 Days -33[General Steel Material] SCM4408 ～ 38Round Hole + Tap

-

1 8 Days 1034General Steel Material10 ～ 35Round Hole + Tap

-

1 8 Days 1035General Steel Material10 ～ 36Round Hole + Tap

-

1 8 Days 1036General Steel Material10 ～ 38Round Hole + Tap

-

1 8 Days 1038General Steel Material10 ～ 38Round Hole + Tap

-

1 7 Days -39[General Steel Material] SCM44010 ～ 43Round Hole + Tap

-

1 8 Days 1040General Steel Material10 ～ 42Round Hole + Tap

-

1 8 Days 1042General Steel Material10 ～ 42Round Hole + Tap

-

1 8 Days 1044General Steel Material10 ～ 42Round Hole + Tap

-

1 8 Days 1045General Steel Material10 ～ 42Round Hole + Tap

-

1 8 Days 1046General Steel Material10 ～ 42Round Hole + Tap

-

1 8 Days 1048General Steel Material10 ～ 43Round Hole + Tap

-

1 7 Days -49[General Steel Material] SCM44010 ～ 50Round Hole + Tap

-

1 8 Days 1050General Steel Material10 ～ 43Round Hole + Tap

-

1 7 Days -51[General Steel Material] SCM44012 ～ 52Round Hole + Tap

-

1 8 Days 1052General Steel Material12 ～ 45Round Hole + Tap

-

1 8 Days 1054General Steel Material12 ～ 45Round Hole + Tap

-

1 8 Days 1055General Steel Material12 ～ 45Round Hole + Tap

-

1 8 Days 1056General Steel Material12 ～ 45Round Hole + Tap

-

1 7 Days -57[General Steel Material] SCM44012 ～ 52Round Hole + Tap

-

1 8 Days 1058General Steel Material12 ～ 45Round Hole + Tap

-

1 8 Days 1060General Steel Material12 ～ 45Round Hole + Tap

-

1 8 Days 1062General Steel Material15 ～ 45Round Hole + Tap

-

1 7 Days -63[General Steel Material] SCM44015 ～ 52Round Hole + Tap

-

1 8 Days 1064General Steel Material15 ～ 45Round Hole + Tap

-

1 8 Days 1065General Steel Material15 ～ 45Round Hole + Tap

-

1 7 Days -66[General Steel Material] SCM44015 ～ 52Round Hole + Tap

-

1 8 Days 1068General Steel Material15 ～ 45Round Hole + Tap

-

1 7 Days -69[General Steel Material] SCM44015 ～ 52Round Hole + Tap

-

1 8 Days 1070General Steel Material15 ～ 45Round Hole + Tap

-

1 8 Days 1072General Steel Material15 ～ 45Round Hole + Tap

-

1 8 Days 1075General Steel Material20 ～ 45Round Hole + Tap

-

1 7 Days -76[General Steel Material] SCM44020 ～ 52Round Hole + Tap

-

1 7 Days -77[General Steel Material] SCM44020 ～ 52Round Hole + Tap

-

1 7 Days -78[General Steel Material] SCM44020 ～ 52Round Hole + Tap

-

1 7 Days 1080General Steel Material20 ～ 52Round Hole + Tap

-

1 7 Days -81[General Steel Material] SCM44020 ～ 55Round Hole + Tap

-

1 7 Days -84[General Steel Material] SCM44020 ～ 55Round Hole + Tap

-

1 7 Days 1085General Steel Material20 ～ 55Round Hole + Tap

-

1 7 Days -88[General Steel Material] SCM44020 ～ 55Round Hole + Tap

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

Spur Gears/Pressure Angle 20Deg./Module 2.0:Related Image
Open the technical drawing in the new window

Specification Tables - Spur Gears

For alterations on tooth width and hub dimensions, see Here.
Part NumberNumber of TeethBGear ShapeShaft Bore Dia. PH7 (1mm Increment)d Reference Dia.D
Tip Dia.		G Root Dia.HLℓ1ℓ2M (Coarse)*1. Allowable Transmission Force (N•m)
Bending Strength
TypeModuleStraight Bore Straight Bore + TapKeyway, Keyway + TapEN 1.1191 Equiv.EN 1.4301 Equiv.
Straight Bore
(Shape A, Shape B)
GEAHB
GEAHBB
GEAHS






Straight Bore + Tap
(Shape B)
GEAB
GEABB
GEABG






Keyway
(Shape A)
Keyway + Tap
(Shape B)
GEAKB
GEAKBB
GEAKBG
GEAKS		2.0 1220A


B		88N2428191830105M519.7511.27
138~112630212022.6512.92
1428322325.5814.60
158~158N~12N303425243414728.6516.35
168~163236272531.7318.11
178~198N~14N3438292834.8919.91
188~218N~16N3640313038.0721.73
198N~17N3842333141.2723.55
208~238N~18N4044353344.5925.45
218N~19N4246373447.8727.32
228~258N~21N4448393651.2729.26
238N~22N4650413754.5731.14
248~288N~23N4852434057.9633.07
25505445M661.4335.05
268~298N~25N5256474264.9937.09
278~318N~28N5458494568.3939.02
2856605172.1241.16
298~328N~29N5862534775.3543.00
308~338N~30N6064554878.9345.04
328~358N~31N6468595085.5948.84
3410~3510N~31N68726393.5253.37
3510~3610N~33N7074655297.0155.36
3610~3810N~35N72766755100.1357.14
38768071107.7061.46
4010~4210N~38N80847560114.5265.35
42848879121.9269.57
44889283129.4673.88
45909485133.2976.06
46929687137.1578.26
4810~4310N~40N961009162144.3582.38
5010010495151.6486.53
5212~4512N~42N1041089965158.9990.73
54108112103166.4294.97
55110114105170.5497.32
56112116107174.6999.69
58116120111181.50103.58
60120124115189.16107.94
6215~4515N~42N124128119196.02111.86
64128132123203.78116.29
65130134125207.23118.26
68136140131219.54125.28
70140144135226.51129.26
*72144148139233.49-
*7520~4520N~42N150154145245.07
*80160164155263.82
*8520~4920N~45N17017416570282.76
*90180184175301.90
*95190194185321.22
*100200204195262.11
* marked number of teeth is not available for GEAHS 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
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.

Alterations - Spur Gears

Spur Gears/Pressure Angle 20Deg./Module 2.0:Related Image
 

Basic information

Heat Treatment (Details) Not Provided Backlash Provided Bearing Not Provided
Tooth Width B(mm) 20 Shaft Bore Tolerance H7 Precision(Old JIS) JIS B 1702 (Class 4)

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Basic Attributes

  • Number of Teeth(Teeth)

    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 32
    • 33
    • 34
    • 35
    • 36
    • 38
    • 39
    • 40
    • 42
    • 44
    • 45
    • 46
    • 48
    • 49
    • 50
    • 51
    • 52
    • 54
    • 55
    • 56
    • 57
    • 58
    • 60
    • 62
    • 63
    • 64
    • 65
    • 66
    • 68
    • 69
    • 70
    • 72
    • 75
    • 76
    • 77
    • 78
    • 80
    • 81
    • 84
    • 85
    • 88
    • 90
    • 91
    • 92
    • 95
    • 96
    • 98
    • 99
    • 100

    Clear

  • Material (Details)

    • General Steel Material
      • SCM440
    • Stainless Steel
      • SUS303

    Clear

  • Shaft Bore Dia.(Ø)

    • 8
    • 10
    • 11
    • 12
    • 13
    • 14
    • 15
    • 16
    • 17
    • 18
    • 19
    • 20
    • 21
    • 22
    • 23
    • 24
    • 25
    • 26
    • 27
    • 28
    • 29
    • 30
    • 31
    • 32
    • 33
    • 34
    • 35
    • 36
    • 37
    • 38
    • 39
    • 40
    • 41
    • 42
    • 43
    • 44
    • 45

     [8-55/1Ø Unit(s)]

    Clear

  • Hole Shape

    • Keyway
    • Keyway Hole
    • Keyway Hole + Tap
    • Round Hole
    • Round Hole + Tap

    Clear

  • Type

    • GEAB2.0
    • GEABB2.0
    • GEABG2.0
    • GEAHB2.0
    • GEAHBB2.0
    • GEAHBG2.0
    • GEAHS2.0
    • GEAKB2.0
    • GEAKBB2.0
    • GEAKBG2.0
    • GEAKS2.0
    • GEAS2.0

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

    Clear

Filter by standard shipping days

    • All
    • 7 Days or Less
    • 8 Days or Less

    Reset

Optional Attributes

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.

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