Gear Drives | McMaster-Carr

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System of Measurement

Diameter

Length

Material

Stainless Steel

End Type

Retaining Ring Groove

Component

Shaft-Mounted Worm

Support-Rail Shaft

Shaft Diameter

Speed Ratio

Mechanical Finish

Precision Ground

OD

Gear Type

Number of Teeth

Gear Pitch Diameter

Edge Type

For Motion

Linear and Rotary

Gear Module

Output Shaft Diameter

Hardness Rating

Keyway Width

Face Width

Bore Type

Number of Output Shafts

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

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4,355 Products

Power Transmission

Gear Boxes

Adjust motor speed to achieve the right torque for your machine; transmit motion at a 90° angle

Gear Box Mounts

Gear Box Mounts

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

Worm Gears

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

Miter Gears

Connect shafts at a right angle without changing speed or torque

Ratchet Gears and Pawls

Ratchet Gears and Pawls

Transmit motion in one direction and stop it in the other

Spur Gears

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

Internal Spur Gears

Internal Spur Gears

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

Bevel Gears

Reduce speed while transmitting motion at a right angle

Helical Gears and Racks

Helical Gears and Racks

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

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

Linear Shafts

Pair with linear bearings to reduce friction in manual and automated systems

Ball Screw/Splines and Bearings

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

Sleeve Splines and Bearings

Sleeve Splines and Bearings

Transmit rotary power or move loads along the length of splines

Material Handling

Jacks

Lift, hold, push, and position heavy objects

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)