Drive Gears | McMaster-Carr

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6,660 Products

Power Transmission

Spur Gears

The simplest type of gear for transferring motion, with straight, parallel teeth

706 products

Worm Gears

Reduce speed while transferring motion at a right angle in only one direction

96 products

Miter Gears

Connect shafts at a right angle without changing speed or torque

74 products

Spur Gear Stock

Machine your own gears to an exact face width and shaft diameter

18 products

Bevel Gears

Reduce speed while transmitting motion at a right angle

48 products

Internal Spur Gears

Teeth on the inside mesh with standard spur gears to save space

10 products

Helical Gears

Curved teeth stay in contact longer to transmit heavier loads at higher speeds than spur gears

32 products

Ratchet Gears and Pawls

Transmit motion in one direction and stop it in the other

39 products

Spur Gear Racks

Match with spur gears to convert rotary motion to linear motion

117 products

Helical Gear Racks

Pair with a helical gear to convert rotary motion to linear motion

4 products

Drive Sprockets

Mount directly onto a shaft to transmit rotary motion and torque

3,671 products

Timing Belt Drive Pulleys

Pair with a timing belt to keep your drive system in sync

1,261 products

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

24 products

Idler Sprockets

Press against your chain to take up slack and reduce wear and vibration

85 products

V-Belt Drive Pulleys

Pair with a V-belt to transfer motion from a rotating shaft

572 products

Flat Belt Drive Pulleys

Pair with a flat belt to transfer motion from a rotating shaft

25 products

Round Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on round belts

21 products

Flat Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on flat belts

31 products

V-Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on V-belts

14 products

Round Belt Drive Pulleys

Mount directly onto a shaft and pair with round belts to transmit rotary motion and torque

15 products

Gear Boxes

Transmit rotary motion without changing speed, or reduce speed while increasing torque

187 products

Gear Box Shafts

Convert output drives from female to male

10 products

Gear Box Mounts

Secure gear boxes that can’t be attached directly to a machine or other surface

6 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

28 products

Measuring and Inspecting

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

2 products

Gear Tooth Gauges

Identify your gear's pressure angle, pitch, and module

4 products