Spur gears / plastic / contact angle 20 degrees

Spur gears / plastic / contact angle 20 degrees

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

Plastic 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

TypeMaterialAccessory
GearsMetal Hub Insert
GEABMMC Nylon-Set Screw
(EN 1.7220 Equiv.,
Black Oxide)
GEABMSEN 1.1191 Equiv.
GEABMTEN 1.4301 Equiv.Set Screw (EN 1.4301 Equiv.)
GEABPPolyacetal-Set Screw (EN 1.7220 Equiv.,
Black Oxide)
GEABPSEN 1.1191 Equiv.
GEABPTEN 1.4301 Equiv.Set Screw (EN 1.4301 Equiv.)
Set Screw is not included in products with Gear Shape A.

Further specifications can be found under the tab More Information.

Composition of a Product Code - Spur Gears

Part Number-Number
of Teeth
-B-Gears
Shape
-P
GEABM1.0
GEABPS2.0
GEABM0.5
-
-
-
20
40
20
-
-
-
10
20
8
-
-
-
A
B
K
-
-
-
8
20
7

Alterations - Spur Gears

Plastic Spur Gears/Pressure Angle 20Deg.: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

Part Number:  

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Part Number
GEABM0.5-15-8-K-[3-5/1]
GEABM0.5-16-8-K-[3-5/1]
GEABM0.5-18-8-K-[3-7/1]
GEABM0.5-20-3-B-[3-5/1]
GEABM0.5-20-8-K-[3-7/1]
GEABM0.5-24-3-B-[3-7/1]
GEABM0.5-25-3-B-[3-7/1]
GEABM0.5-28-3-B-[3-7/1]
GEABM0.5-30-3-B-[3-7/1]
GEABM0.5-32-3-B-[3-7/1]
GEABM0.5-36-3-B-[3-7/1]
GEABM0.5-40-2-B-[3-7/1]
GEABM0.5-40-3-B-[3-7/1]
GEABM0.5-45-2-B-[3-7/1]
GEABM0.5-45-3-B-[3-7/1]
GEABM0.5-48-2-B-[3-7/1]
GEABM0.5-48-3-B-[3-7/1]
GEABM0.5-50-2-B-[3-7/1]
GEABM0.5-50-3-B-[3-7/1]
GEABM0.5-56-3-B-[3-7/1]
GEABM0.5-60-3-B-[3-7/1]
GEABM0.5-64-3-B-[3-7/1]
GEABM0.5-70-3-B-[3-8/1]
GEABM0.5-72-3-B-[3-8/1]
GEABM0.5-80-3-B-[3-8/1]
GEABM0.5-90-3-B-[3-9/1]
GEABM0.5-100-3-B-[3-9/1]
GEABM0.5-120-3-B-[3-9/1]
GEABM0.8-12-7-K-[4-6/1]
GEABM0.8-14-7-K-[4-8/1]
GEABM0.8-15-7-K-[4-9/1]
GEABM0.8-16-5-B-[4-7/1]
GEABM0.8-18-5-B-[4-7/1]
GEABM0.8-20-5-B-[4-7/1]
GEABM0.8-24-5-B-[5-8/1]
GEABM0.8-25-5-B-[5-8/1]
GEABM0.8-28-5-B-[5-8/1]
GEABM0.8-30-5-B-[5-8/1]
GEABM0.8-32-5-B-[5-8/1]
GEABM0.8-36-5-B-[6-9/1]
GEABM0.8-40-5-B-[6-9/1]
GEABM0.8-45-5-B-[6-9/1]
GEABM0.8-48-5-B-[6-9/1]
GEABM0.8-50-5-B-[6-9/1]
GEABM0.8-56-5-B-[6-9/1]
GEABM0.8-60-5-B-[6-9/1]
GEABM0.8-64-5-B-[6-9/1]
GEABM0.8-70-5-B-[6-11/1]
GEABM0.8-72-5-B-[6-11/1]
GEABM0.8-80-5-B-[6-11/1]
GEABM0.8-90-5-B-[6-14/1]
GEABM0.8-100-5-B-[6-16/1]
GEABM0.8-120-5-B-[6-21/1]
GEABM1.0-15-12-A-[6-10/1]
GEABM1.0-16-12-K-[8-12/1]
GEABM1.0-18-10-A-[8-10/1]
GEABM1.0-18-10-B-[8-10/1]
GEABM1.0-20-10-A-[8-11/1]
GEABM1.0-20-10-B-[8-11/1]
GEABM1.0-22-10-A-[8-12/1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSNumber of Teeth
(Teeth)
Material (Details) Shaft Bore Dia.
(Ø)
Tooth Width B
(mm)
Bushings

-

1 7 Days 1015Resin3 ~ 58Not Provided

-

1 7 Days 1016Resin3 ~ 58Not Provided

-

1 7 Days 1018Resin3 ~ 78Not Provided

-

1 7 Days 1020Resin3 ~ 53Not Provided

-

1 7 Days 1020Resin3 ~ 78Not Provided

-

1 7 Days 1024Resin3 ~ 73Not Provided

-

1 7 Days 1025Resin3 ~ 73Not Provided

-

1 7 Days 1028Resin3 ~ 73Not Provided

-

1 7 Days 1030Resin3 ~ 73Not Provided

-

1 7 Days 1032Resin3 ~ 73Not Provided

-

1 7 Days 1036Resin3 ~ 73Not Provided

-

1 7 Days 1040Resin3 ~ 72Not Provided

-

1 7 Days 1040Resin3 ~ 73Not Provided

-

1 7 Days 1045Resin3 ~ 72Not Provided

-

1 7 Days 1045Resin3 ~ 73Not Provided

-

1 7 Days 1048Resin3 ~ 72Not Provided

-

1 7 Days 1048Resin3 ~ 73Not Provided

-

1 7 Days 1050Resin3 ~ 72Not Provided

-

1 7 Days 1050Resin3 ~ 73Not Provided

-

1 7 Days 1056Resin3 ~ 73Not Provided

-

1 7 Days 1060Resin3 ~ 73Not Provided

-

1 7 Days 1064Resin3 ~ 73Not Provided

-

1 7 Days 1070Resin3 ~ 83Not Provided

-

1 7 Days 1072Resin3 ~ 83Not Provided

-

1 7 Days 1080Resin3 ~ 83Not Provided

-

1 7 Days 1090Resin3 ~ 93Not Provided

-

1 7 Days 10100Resin3 ~ 93Not Provided

-

1 7 Days 10120Resin3 ~ 93Not Provided

-

1 7 Days 1012Resin4 ~ 67Not Provided

-

1 7 Days 1014Resin4 ~ 87Not Provided

-

1 7 Days 1015Resin4 ~ 97Not Provided

-

1 7 Days 1016Resin4 ~ 75Not Provided

-

1 7 Days 1018Resin4 ~ 75Not Provided

-

1 7 Days 1020Resin4 ~ 75Not Provided

-

1 7 Days 1024Resin5 ~ 85Not Provided

-

1 7 Days 1025Resin5 ~ 85Not Provided

-

1 7 Days 1028Resin5 ~ 85Not Provided

-

1 7 Days 1030Resin5 ~ 85Not Provided

-

1 7 Days 1032Resin5 ~ 85Not Provided

-

1 7 Days 1036Resin6 ~ 95Not Provided

-

1 7 Days 1040Resin6 ~ 95Not Provided

-

1 7 Days 1045Resin6 ~ 95Not Provided

-

1 7 Days 1048Resin6 ~ 95Not Provided

-

1 7 Days 1050Resin6 ~ 95Not Provided

-

1 7 Days 1056Resin6 ~ 95Not Provided

-

1 7 Days 1060Resin6 ~ 95Not Provided

-

1 7 Days 1064Resin6 ~ 95Not Provided

-

1 7 Days 1070Resin6 ~ 115Not Provided

-

1 7 Days 1072Resin6 ~ 115Not Provided

-

1 7 Days 1080Resin6 ~ 115Not Provided

-

1 7 Days 1090Resin6 ~ 145Not Provided

-

1 7 Days 10100Resin6 ~ 165Not Provided

-

1 7 Days 10120Resin6 ~ 215Not Provided

-

1 7 Days 1015Resin6 ~ 1012Not Provided

-

1 7 Days 1016Resin8 ~ 1212Not Provided

-

1 7 Days 1018Resin8 ~ 1010Not Provided

-

1 7 Days 1018Resin8 ~ 1010Not Provided

-

1 7 Days 1020Resin8 ~ 1110Not Provided

-

1 7 Days 1020Resin8 ~ 1110Not Provided

-

1 7 Days 1022Resin8 ~ 1210Not Provided

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Back to the Category Spur Gears

Technical Drawing - Spur Gears

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

Specification Tables - Spur Gears

Part NumberNumber of TeethBGear ShapeShaft Bore Dia. PH7 Selectiond
Reference Dia.
D Tip Dia.G Root Dia.HL12M
(Coarse)
d1*1. Allowable Transmission Force (N, m) Bending StrengthUnit Price
GEABM
GEABP
GEABMS
GEABPS
GEABMT
GEABPT
TypeModuleW/o Metal Hub InsertWith Metal Hub InsertMC NylonPolyacetal
GEABM
(MC Nylon)

GEABP
(Polyacetal)


GEABMS
(With Metal Hub Insert, MC Nylon)

GEABPS
(With Metal Hub Insert, Polyacetal)


GEABMT
(Stainless Steel with Metal Hub Insert, MC Nylon)

GEABPT
(Stainless Steel with Metal Hub Insert, Polyacetal)
0.5*158K3~5-7.58.56.25918103M3-0.080.33 --
*16896.750.090.36 
*183~79107.75100.110.42 
*2010118.75110.120.49 
*203B3~510118.758.58
(B=3)

7
(B=2)
52.50.050.18 
*243~7121310.75100.060.23 
*2512.513.511.250.060.24 
*28141512.750.070.28 
*30151613.750.080.31 
*32161714.750.080.33 
*36181916.750.100.39 
*402

3
202118.750.110.44 
*4522.523.521.250.130.51 
*48242522.750.140.55 
*50252623.750.150.58 
*563282926.750.170.67 
*60303128.750.180.73 
*64323330.750.200.78 
*703~8353633.75120.220.86 
*72363734.750.220.89 
*80404138.750.250.99 
*903~9454643.75140.281.13 
*100505148.750.321.27 
*120606158.750.391.54 
0.8*127K4~7-9.611.27.611.220133M3-0.130.50 --
*144~811.212.89.212.80.170.66 
*154~91213.61013.60.180.73 
*165B4~712.814.410.8101490.150.58 
*1814.41612.40.170.67 
*201617.6140.200.78 
*245~819.220.817.212.50.250.98 
*252021.6180.261.04 
*2822.42420.40.301.20 
*302425.6220.331.30 
*3225.627.223.640.361.42 
*366~928.830.426.814M40.421.65 
*403233.6300.471.88 
*453637.6340.552.18 
*4838.44036.40.592.36 
*504041.6380.632.49 
*5644.846.442.80.722.85 
*604849.6460.783.11 
*6451.252.849.20.843.33 
*706~115657.654160.923.66 
*7257.659.255.60.953.78 
*806465.6621.074.24 
*906~147273.670201.214.83 
*1006~168081.678241.375.43 
*1206~219697.694301.666.58 
1.01512A6~106151712.5-----P+40.491.71   
*16K8~12-161813.51825133M3-0.541.89 --
1810A

B
8~108182015.51520104M4P+40.531.84   
208~11202217.5160.612.13   
228~12222419.5180.692.41   
248~148, 10242621.5200.772.69   
25252722.50.822.84   
268~15262823.5220.863.00   
28283025.50.943.28   
3010~1710, 12303227.5251.033.56   
3210~18323429.5261.113.87   
35353732.51.254.34   
3610~1910, 12, 15363833.5281.304.51   
4010~21404237.5301.485.15   
45454742.51.715.95   
48485045.51.866.45   
5010~2410, 12, 15, 20505247.5351.966.80   
55555752.52.207.63   
60606257.52.448.49   
7010~28707267.5402.8810.02   
75757772.53.1110.80   
80808277.53.3311.59   
90909287.53.8013.19   
10010010297.54.2714.84   
120120122117.55.1817.99   
1.51515A

B
8~12822.525.518.75182493M3P+41.383.16   
168~148, 10242720.25201.533.50   
188~15273023.252227124M41.794.08   
208~178, 10, 12303326.25252.074.73   
248~218, 10, 12, 15363932.25302.615.97   
258~2137.540.533.752.766.30   
268~22394235.25322.916.65   
288~23424538.25343.187.27   
308~248, 10, 12, 15, 20454841.25353.467.90   
328~28485144.25403.768.58   
358~2852.555.548.754.229.63   
368~28545750.254.3810.00   
4010~3110, 12, 15, 20, 25606356.25455.0011.42   
4510~3167.570.563.755.7813.20   
4810~31727568.256.2714.31   
5010~31757871.256.6015.08   
6010~35909386.25508.2418.83   
7012~3512, 15, 20, 25105108101.259.7222.21   
8012~38120123116.255511.2525.70   
Number of Teeth with * is not With Metal Hub Insert Type.
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498. Tooth width is calculated as 10mm.
Module 0.5 with 40 ~ 50 teeth is calculated as tooth width 3mm.

■Module 2.0, 2.5, 3.0
Part NumberNumber of TeethBGear ShapeShaft Bore Dia. PH7 Selectiond
Reference Dia.
D Tip Dia.G Root Dia.HL12M
(Coarse)
d1*1. Allowable Transmission Force (N, m) Bending StrengthUnit Price
GEABM
GEABP
GEABMS
GEABPS
GEABMT
GEABPT
TypeModuleW/o Metal Hub InsertWith Metal Hub InsertMC NylonPolyacetal
GEABM
(MC Nylon)
GEABP
(Polyacetal)
GEABMS
(With Metal Hub Insert, MC Nylon)
GEABPS
(With Metal Hub Insert, Polyacetal)
GEABMT
(Stainless Steel with Metal Hub Insert, MC Nylon)
GEABPT
(Stainless Steel with Metal Hub Insert, Polyacetal)
2.0*1220A

B
10~12-242819.01834144M4-2.252.45 --
1410~1410283223.020P+42.963.23   
1510~1610, 12303425.0243.283.59   
1610~1710, 12, 15323627.0253.633.97   
1810~21364031.0304.244.63   
2010~23404435.0334.915.36   
2410~2810, 12, 15, 20485243.0406.196.77   
25505445.06.547.15   
2810~3110, 12, 15, 20, 25566051.0457.548.24   
3010~33606455.0488.208.96   
3212~3512, 15, 20, 25, 30646859.0508.919.73   
3512~35707465.09.9910.92   
3612~35727667.010.3811.34   
4012~42808475.06011.8612.95   
45909485.013.7014.97   
489610091.014.8516.23   
5010010495.015.6517.1   
60120124115.019.5421.35   
GEABM
(MC Nylon)

GEABMS
(With Metal Hub Insert, MC Nylon)

GEABMT
(Stainless Steel with Metal Hub Insert, MC Nylon)
2.51225A

B
10~1610303523.752337126M5P+64.39-   
1410~1710354028.75255.77   
1512~2110, 12, 1537.542.531.25306.41   
1612~22404533.75327.09   
1812~2610, 12, 15, 20455038.75388.28   
2012~28505543.75409.59   
2212~3012, 15, 20556048.7544M6P+810.84   
2412~3312, 15, 20, 25606553.754812.10   
2512~3562.567.556.255012.78   
2812~4212, 15, 20, 25, 30707563.756014.73   
3012~45758068.756516.02   
3215~4915, 20, 25, 30, 35808573.757017.40   
3587.592.581.2519.52   
36909583.7520.27   
4010010593.7523.15   
45112.5117.5106.2526.76   
48120125113.7529.01   
50125130118.7530.57   
3.01230A

B
12~1912364228.52845157.5M5P+67.58-   
1412~2212, 15424834.5329.98   
1514~25455137.53611.08   
1614~2612, 15, 20485440.53812.25   
1814~28546046.54014.31   
2014~3515, 20, 25606652.550M6P+816.56   
2214~37667258.55418.72   
2414~4015, 20, 25, 30727864.55820.90   
2514~42758167.56022.08   
2814~4915, 20, 25, 30, 35849076.57025.45   
3014~52909682.57527.68   
3218~5220, 25, 30, 35, 409610288.530.06   
3518~5610511197.58033.73   
36108114100.535.02   
40120126112.540.01   
45135141127.546.25   
*1 Allowable Transmission Forces in the table are reference values calculated with prescribed conditions. For conditions, see >> P. 1498.
Number of Teeth with * is not With Metal Hub Insert Type.

Alterations - Spur Gears

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

Basic information

Heat Treatment (Details) Not Provided Backlash Provided Bearing Not Provided
Shaft Bore Tolerance H7 Precision(Old JIS) JIS B 1702 (Class 5)

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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