11 best mechanical spur gears

Name: 80Pcs Plastic DIY Robot Gear Kit Gearbox Motor Gear Set for DIY Car Robot
Brand: SRUIM
Price: 9.99 USD
Availability: InStock
Rating: 4.3 (250 reviews)

Mechanical spur gears are widely used components in various industrial applications, including power transmission systems, machinery, and automotive devices. Spur gears are the most common type of gears and consist of cylindrical teeth that are parallel to the gear axis. They mesh together to transmit power and rotational motion between parallel shafts.

Key Characteristics and Applications:

Straight Teeth: Spur gears have straight teeth cut parallel to the gear's axis. This design ensures direct contact between the gears, providing efficient power transmission.
Simple Design: The simplicity of their design makes spur gears easy to manufacture and maintain, making them popular in a wide range of applications.
Efficiency: Spur gears are known for their high efficiency, making them suitable for applications where precise and reliable power transmission is essential.
Versatility: Spur gears are versatile and can be used in various configurations, including single-gear and multiple-gear setups, depending on the specific application requirements.
Noise and Vibration: Spur gears can produce noise and vibration due to their direct meshing teeth. However, this can be mitigated through proper design and manufacturing techniques.
Industrial Applications: Spur gears are commonly found in industrial machinery, conveyor systems, manufacturing equipment, and power transmission products.They are also used in devices such as printers, washing machines, and other appliances.
Size Range: Spur gears come in a wide range of sizes, from small gears used in delicate instruments to large gears used in heavy industrial machinery.
Materials: Spur gears can be made from various materials, including steel, brass, stainless steel, and plastics. The choice of material depends on factors such as load, speed, and environmental conditions.

In summary, mechanical spur gears are essential components in the field of power transmission and industrial machinery. Their straightforward design, efficiency, and versatility make them valuable in a wide array of applications, ranging from industrial manufacturing to everyday consumer products.

Below you can find our editor's choice of the best mechanical spur gears on the market

80Pcs Plastic DIY Robot Gear Kit Gearbox Motor Gear Set for DIY Car Robot

SRUIM

Based on 117 reviews Check latest price

The product is for toys gear spare parts package.
The great tools for all kinds of DIY cars, robots, model making accessories.
Suitable for DIY model production technology.
This is the most complete gear set, includes 80 kinds of gear parts. It can meet your DIY needs

User questions & answers

Question:	What are the pitches of the gear
Answer:	Glad to help you! Yes, you can lock the stage in one location.
Question:	what length is the rack
Answer:	Glad to help you! This SEMZL40-ACR Z Linear Stage can withstand up to 1KG force.
Question:	What diameter is the hole for each of the gears
Answer:	Glad to help you! 4-M4 screws are required to mount this device.
Question:	What is the diameter of the largest blue motor gear
Answer:	Look at the 4th picture, it has all dimensions

Product features

80Pcs Plastic DIY Robot Gear Kit

Set Includes:

Single Gear: 10pcs (the maximum size is 482A)

Spindle Gear: 10pcs (the maximum size is 142A)

Double Gear: 14pcs (the maximum size is 46082A)

Belt Wheel: 7pcs (the biggest size is 242A)

Crown Gear: 10pcs (the maximum size is C323A)

Blue Motor Gear: 9pcs

Belt: 10pcs (individual repeat)

Axle Sleeve: 4pcs

Worm: 2pcs

Tooth Strip: 1pcs

Copper Teeth: 2pcs

Bevel Teeth: 1pcs

Package included:

1 x 80Pcs Plastic Robot Gear Set (The car body does not include)

1 Mod 30T Steel Pinion Gear 1M30T Motor Spur Gear Bore 8mm Outer Diameter 32mm (Bore 8mm)

MF-Tools

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Product description

Product name: 1Mod 30T spur gear

Teeth outer diameter: 32mm; Total height: 18mm; Teeth height: 10mm;

Step diameter: 25mm

Bore: 5/6/6.35/7/8/10/12/12.7/14/15/16/17mm

Fix set screws: M5 x 2pcs

Material: black oxide #45 steel

Pack quantity: 1Pcs

Product name: 1Mod 30T spur gear
Teeth outer diameter: 32mm; Total height: 18mm; Teeth height: 10mm
Step diameter: 25mm; Bore: 5/6/6.35/7/8/10/12/12.7/14/15/16/17mm
Fix set screws: M5 x 2pcs
Material: black oxide #45 steel

Boston Gear Y4830 Spur Gear, Brass, Inch, 48 Pitch, 0.188" Bore, 0.667" OD, 0.125" Face Width, 30 Teeth

Boston Gear

Based on 7 reviews Check latest price

Product description

Transmits torque between parallel shafts to provide rotational power to another part of a motorized system
Pressure angle of 20 degrees for a lower contact ratio between gears, resulting in higher load capacity than smaller pressure angles
Diametral pitch of 48 for applications where controlling changes in speed and direction of rotation with precision is more important than transferring torque
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability

High Precision 1 Mod 30T Spur Gear 45# Steel Heavy Duty Pinion Gear 8mm Bore With Step x 1Pcs (Bore: 8mm; Step Diameter: 25mm, 1Mod 30T)

Based on 8 reviews Check latest price

Product description

Product Size:

Product name: Spur Gear

Mod: 1 Mod

Number of tooth: 10T-150T

Material: 45# steel

Bore: according to your choose

Surface treatment: black oxide

Fixing grub screw size: M4*2 / M5*2

Package Including:

1Pcs

1 Mod #45 Steel Spur Gear
Material: 45# steel
Surface treatment: black oxide
Fixing grub screw size: M4*2 / M5*2
Fast Shipping Guarantee: All parcel will be delivered in 7-15 days

User questions & answers

Question:	Will this fit the stock motor for the xmaxx 8s
Answer:	Rubber fittings Do Not hold pressure! Not made to hold pressure. Typically for connecting drain pipe or a flex connection for shop vacume.
Question:	Raidenracing is hr? i ordered these and got hr spur gear? are they the same company or what
Answer:	Should work

Boston Gear H3220 Spur Gear, 14.5 Pressure Angle, Steel, Inch, 32 Pitch, 0.250" Bore, 0.687" OD, 0.188" Face Width, 20 Teeth

Boston Gear

Based on 5 reviews Check latest price

Product description

Transmits torque between parallel shafts to provide rotational power to another part of a motorized system
Pressure angle of 14.5 degrees for a higher contact ratio between gears, resulting in quieter operation than larger pressure angles
Diametral pitch of 32 for applications where controlling changes in speed and direction of rotation with precision is more important than transferring torque
Low carbon steel (.2 percent carbon) for applications where the hardness and strength of higher levels of carbon are not needed to transmit torque and motion

User questions & answers

Question:	Does it come with set screws and holes already drilled? If not, where and how do I get that done
Answer:	These are standard hose clamps. I believe in a dry climate you would be OK. If you using them in a coastal environment I think they would still rust.
Question:	Is there a hole for the set screw
Answer:	No

Losi Spur Gear, 43T: 8IGHT-E RTR, LOS242018

Losi

Based on 3 reviews Check latest price

Product description

Spur Gear, 43T: 8IGHT-E RTR

Spur Gear, 43T: 8IGHT-E RTR
Part Number: LOS242018
Brand: Losi

User questions & answers

Question:	Is this a metal gear
Answer:	Because it contains 80PC, each of the gear hole diameter will be different， The diameter of their holes about 1-2 mm between.
Question:	Will this fit a ⅛ scale losi Muggy
Answer:	The largest blue motor gear is 2.36 inches in diameter

Boston Gear NB96 Spur Gear, 14.5 Pressure Angle, Cast Iron, Inch, 16 Pitch, 0.625" Bore, 6.125" OD, 0.500" Face Width, 96 Teeth

Boston Gear

Based on 3 reviews Check latest price

Product description

Transmits torque between parallel shafts to provide rotational power to another part of a motorized system
Pressure angle of 14.5 degrees for a higher contact ratio between gears, resulting in quieter operation than larger pressure angles
Diametral pitch of 16 for applications requiring a balance between transferring torque and controlling changes in speed and direction of rotation with precision
Cast iron for compressive strength and resistance to wear

User questions & answers

Question:	Did you happen to use this gear for an idler on a South Bend
Answer:	4.92 inches long, 0.16 inches wide and 0.27 inches high

Traxxas 6449X 54-T Steel 1.0 Metric Pitch 20° Pressure Angle Spur Gear

Traxxas

Based on 157 reviews Check latest price

Product description

Steel spur gear, 54-tooth (1.0 metric Pitch, 20° pressure angle) delivers the ultimate in durability and heat resistance for the x-maxx use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.

54-Tooth steel spur gear
1.0 metric pitch
20° pressure angle
Delivers the ultimate in durability and heat Resistance for the x-maxx

User questions & answers

Question:	Will this fit the (non-x) maxx
Answer:	sorry, we are not sure about that. pls check the size of it, and see if it can match with your device.
Question:	Will it fit Erevo 2.0 vxl
Answer:	Yep, raiden is hr. Raiden basically bought some hr gears, and branded the pack with their own sticker
Question:	Are these 8s rated ? The last one I bought only lasted 15 minutes
Answer:	About 0.039 inches

2Mod 18T Hardened Steel Pinion Gear Motor Spur Gear Pitch 6.28mm Thickness 20mm Outer Dia 40mm(2Mod 18T)

MF-Tools

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Product description

Steel 2Mod spur pinion gear

Material: #45 steel; Surface treatment: teeth high-frequency hardening

Teeth pitch: 6.28mm; teeth depth: 4.5mm

Thickness: 20mm; Bore: machining bore, for reprocessing

Exquisite workmanship & Durable,Buy with Confidence,Friendly Customer Service.

Packing including: 1Pcs

Steel 2Mod spur pinion gear
Material: #45 steel; Surface treatment: teeth high-frequency hardening
Teeth pitch: 6.28mm; teeth depth: 4.5mm
Thickness: 20mm; Bore: machining bore, for reprocessing
Exquisite workmanship & Durable,Buy with Confidence,Friendly Customer Service

Boston Gear ND12B Spur Gear, 14.5 Pressure Angle, Steel, Inch, 12 Pitch, 0.500" Bore, 1.167" OD, 0.750" Face Width, 12 Teeth

Boston Gear

Based on 17 reviews Check latest price

Product description

Transmits torque between parallel shafts to provide rotational power to another part of a motorized system
Pressure angle of 14.5 degrees for a higher contact ratio between gears, resulting in quieter operation than larger pressure angles
Diametral pitch of 12 for applications requiring a balance between transferring torque and controlling changes in speed and direction of rotation with precision
Low carbon steel (.2 percent carbon) for applications where the hardness and strength of higher levels of carbon are not needed to transmit torque and motion

User questions & answers

Question:	What does string dia mean
Answer:	Yes H32192 comes with Setscrews and holes already drilled
Question:	Does this have a set screw
Answer:	Yes, There is a set screw included as well