Spur & Change Gears

Motion carries a vast selection of spur and change gears for your mechanical power transmission needs. Browse through change gears, external tooth spur gears, spur gear idlers, and internal tooth spur gears.

Looking for high quality spur gears for your future projects and plans, or some replacement spur gears for existing systems and machines? No matter what kind of spur gears you require, you can find them all right here at Motion, the home of high quality industrial products.

What are Spur Gears?

Spur gears, which are also sometimes known as straight-cut gears, are a type of gears. They're often regarded as the simplest form of gear available and have one of the widest ranges of applications, due to their simplistic design. Like other kinds of gear, a spur gear consists of a cylinder or disk with a series of protruding teeth around the outside. The teeth are all identical in terms of shape and size, pointing straight out from the center of the gear itself.

There are two main types of spur gears: external and internal. External spur gears are those with the teeth on the outside of the cylinder, while internal spur gears have the teeth on the internal side of the cylinder.

What are Spur Gears Used for?

As with other kinds of gears, spur gears are classed as mechanical power transmission products, used for transferring mechanical energy along a system or throughout a piece of machinery. As the gears turn, they transfer movement to the next gear or part in the system, allowing various machines, systems, and appliances to function.

The Best Spur Gears

Gears are placed under high amounts of pressure, which is why it’s best to always use top quality gears that can withstand repeated use and heavy loads. You’ll find only the best spur gears for sale here at Motion.

Buy Spur Gears Online

Choose Motion for your next order of spur gears or any other kind of gears. We have a wide array of mechanical power products to choose from, with the lowest prices and best levels of customer support. Check out the full collection and order today.

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Boston Gear YH20   

Spur Gear, 8 DP, 20 PA, 20 Teeth, Steel

MI ITEM 00371961

IN STOCK
In stock
Boston Gear YH20
$143.02each
for your price $143.02each
Boston Gear YH20

Boston Gear GD34   

Change Gear, 12 DP, 14 1/2 PA, 34 Teeth, Steel

MI ITEM 00367601

AVAILABLE
Factory Order
Boston Gear GD34
$122.62each
for your price $122.62each
Boston Gear GD34

Browning NSS1032   

External Tooth Spur Gear - 10 DP, 14.5 PA, 32 Teeth, 1.0000 in Face, 0.7500 in Bore, Minimum Plain Bore, Material: Steel

MI ITEM 00370232

AVAILABLE
Factory Order
Browning NSS1032
$263.99each
for your price $263.99each
Browning NSS1032

Martin S1664   

External Tooth Spur Gear - 16 DP, 14.5 ° PA, 64 Teeth, 0.5 in Face, 5/8 to 1-1/4 in Bore, Reboreable, Material: Steel

MI ITEM 00372845

IN STOCK
In stock
Martin S1664
$139.89each
for your price $139.89each
Martin S1664

Martin S1224   

External Tooth Spur Gear - 12 DP, 14.5 ° PA, 24 Teeth, 0.75 in Face, 5/8 to 1 in Bore, Reboreable, Material: Steel

MI ITEM 00370079

IN STOCK
In stock
Martin S1224
$83.05each
for your price $83.05each
Martin S1224

Martin TS1224   

External Tooth Spur Gear - 12 DP, 20 ° PA, 24 Teeth, 1 in Face, 3/4 to 15/16 in Bore, Reboreable, Material: Steel

MI ITEM 00371808

IN STOCK
In stock
Martin TS1224
$83.05each
for your price $83.05each
Martin TS1224

Martin S1640   

External Tooth Spur Gear - 16 DP, 14.5 ° PA, 40 Teeth, 0.5 in Face, 1/2 to 1-1/4 in Bore, Reboreable, Material: Steel

MI ITEM 00369952

IN STOCK
In stock
Martin S1640
$88.76each
for your price $88.76each
Martin S1640

Browning YSS4Q20   

External Tooth Spur Gear - 4 DP, 20 PA, 20 Teeth, 3.5000 in Face, 1.0000 in Bore, Bushed Bore, Material: Steel

MI ITEM 00374911

AVAILABLE
Factory Order
Browning YSS4Q20
$744.35each
for your price $744.35each
Browning YSS4Q20

Browning NCG1230   

1223437 Change Gear - 12 DP, 14.5 ° Pressure Angle, 30 Teeth, 0.7500 in Bushing Bore Dia., 0.7500 in Face Width, 5.0000 in O.D.

MI ITEM 00367590

AVAILABLE
Factory Order
Browning NCG1230
$157.89each
for your price $157.89each
Browning NCG1230

Boston Gear NH18B-7/8   

Spur Gear, 8 DP, 14 1/2 PA, 18 Teeth, Steel

MI ITEM 00374479

AVAILABLE
Factory Order
Boston Gear NH18B-7/8
$199.10each
for your price $199.10each
Boston Gear NH18B-7/8

Boston Gear GH26B   

Change Gear, 8 DP, 14 1/2 PA, 26 Teeth, Cast Iron

MI ITEM 00367992

AVAILABLE
Factory Order
Boston Gear GH26B
$284.90each
for your price $284.90each
Boston Gear GH26B

Martin S832   

External Tooth Spur Gear - 8 DP, 14.5 ° PA, 32 Teeth, 1.25 in Face, 1 to 1-13/16 in Bore, Reboreable, Material: Steel

MI ITEM 00370418

IN STOCK
In stock
Martin S832
$242.15each
for your price $242.15each
Martin S832

Martin S621   

External Tooth Spur Gear - 6 DP, 14.5 ° PA, 21 Teeth, 1.5 in Face, 1 to 1-7/8 in Bore, Reboreable, Material: Steel

MI ITEM 00370552

IN STOCK
In stock
Martin S621
$199.63each
for your price $199.63each
Martin S621

Martin S1620   

External Tooth Spur Gear - 16 DP, 14.5 ° PA, 20 Teeth, 0.5 in Face, 1/2 to 9/16 in Bore, Reboreable, Material: Steel

MI ITEM 00369911

IN STOCK
In stock
Martin S1620
$44.59each
for your price $44.59each
Martin S1620

Martin S1228   

External Tooth Spur Gear - 12 DP, 14.5 ° PA, 28 Teeth, 0.75 in Face, 5/8 to 1-1/2 in Bore, Reboreable, Material: Steel

MI ITEM 00374348

IN STOCK
In stock
Martin S1228
$85.90each
for your price $85.90each
Martin S1228

Boston Gear NA60A   

Spur Gear, 20 DP, 14 1/2 PA, 60 Teeth, Steel

MI ITEM 00369798

IN STOCK
In stock
Boston Gear NA60A
$111.43each
for your price $111.43each
Boston Gear NA60A

Boston Gear ND36A   

Spur Gear, 12 DP, 14 1/2 PA, 36 Teeth, Steel

MI ITEM 00370093

IN STOCK
In stock
Boston Gear ND36A
$113.37each
for your price $113.37each
Boston Gear ND36A

Martin S1028   

External Tooth Spur Gear - 10 DP, 14.5 ° PA, 28 Teeth, 1 in Face, 3/4 to 1-1/4 in Bore, Reboreable, Material: Steel

MI ITEM 00370222

IN STOCK
In stock
Martin S1028
$130.49each
for your price $130.49each
Martin S1028

Martin S1038   

External Tooth Spur Gear - 10 DP, 14.5 ° PA, 38 Teeth, 1 in Face, 3/4 to 1-5/16 in Bore, Reboreable, Material: Steel

MI ITEM 00372736

AVAILABLE
Factory Order
Martin S1038
$177.10each
for your price $177.10each
Martin S1038

Boston Gear YD30   

Spur Gear, 12 DP, 20 PA, 30 Teeth, Steel

MI ITEM 00371812

IN STOCK
In stock
Boston Gear YD30
$94.74each
for your price $94.74each
Boston Gear YD30

Martin TS1230   

External Tooth Spur Gear - 12 DP, 20 ° PA, 30 Teeth, 1 in Face, 3/4 to 1-5/16 in Bore, Reboreable, Material: Steel

MI ITEM 00371814

IN STOCK
In stock
Martin TS1230
$89.59each
for your price $89.59each
Martin TS1230

Martin S1236   

External Tooth Spur Gear - 12 DP, 14.5 ° PA, 36 Teeth, 0.75 in Face, 5/8 to 1-1/2 in Bore, Reboreable, Material: Steel

MI ITEM 00370095

IN STOCK
In stock
Martin S1236
$102.67each
for your price $102.67each
Martin S1236

Martin S828   

External Tooth Spur Gear - 8 DP, 14.5 ° PA, 28 Teeth, 1.25 in Face, 7/8 to 1-5/8 in Bore, Reboreable, Material: Steel

MI ITEM 00370408

IN STOCK
In stock
Martin S828
$214.32each
for your price $214.32each
Martin S828

Boston Gear NF12B   

Spur Gear, 10 DP, 14 1/2 PA, 12 Teeth, Steel

MI ITEM 00370179

AVAILABLE
Factory Order
Boston Gear NF12B
$70.17each
for your price $70.17each
Boston Gear NF12B
Boston Gear YH20
MI ITEM 00371961
In stock
$143.02each
Boston Gear GD34
MI ITEM 00367601
Available - Factory Order
$122.62each
Browning NSS1032
MI ITEM 00370232
Available - Factory Order
$263.99each
Martin S1664
MI ITEM 00372845
In stock
$139.89each
Martin S1224
MI ITEM 00370079
In stock
$83.05each
Martin TS1224
MI ITEM 00371808
In stock
$83.05each
Martin S1640
MI ITEM 00369952
In stock
$88.76each
Browning YSS4Q20
MI ITEM 00374911
Available - Factory Order
$744.35each
Browning NCG1230
MI ITEM 00367590
Available - Factory Order
$157.89each
Boston Gear NH18B-7/8
MI ITEM 00374479
Available - Factory Order
$199.10each
Boston Gear GH26B
MI ITEM 00367992
Available - Factory Order
$284.90each
Martin S832
MI ITEM 00370418
In stock
$242.15each
Martin S621
MI ITEM 00370552
In stock
$199.63each
Martin S1620
MI ITEM 00369911
In stock
$44.59each
Martin S1228
MI ITEM 00374348
In stock
$85.90each
Boston Gear NA60A
MI ITEM 00369798
In stock
$111.43each
Boston Gear ND36A
MI ITEM 00370093
In stock
$113.37each
Martin S1028
MI ITEM 00370222
In stock
$130.49each
Martin S1038
MI ITEM 00372736
Available - Factory Order
$177.10each
Boston Gear YD30
MI ITEM 00371812
In stock
$94.74each
Martin TS1230
MI ITEM 00371814
In stock
$89.59each
Martin S1236
MI ITEM 00370095
In stock
$102.67each
Martin S828
MI ITEM 00370408
In stock
$214.32each
Boston Gear NF12B
MI ITEM 00370179
Available - Factory Order
$70.17each