Transmission | McMaster-Carr

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Ball Screw with One Machined End

Controller with Electrical Receptacle

Controller with Motion and Light Sensor

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1/2" Circular Connector

Apple-Compatible 30 Pin

Performance

Pitch

39,661 Products

Most Likely Products

Gear Boxes

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

187 products

Oil Additives

Enhance the performance of oil and extend its life

7 products

Miter Gears

Connect shafts at a right angle without changing speed or torque

74 products

All Results

Power Transmission

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

Miter Gears

Connect shafts at a right angle without changing speed or torque

74 products

Spur Gears

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

706 products

Spur Gear Racks

Match with spur gears to convert rotary motion to linear motion

117 products

Spur Gear Stock

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

18 products

Internal Spur Gears

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

10 products

Bevel Gears

Reduce speed while transmitting motion at a right angle

48 products

Worm Gears

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

96 products

Helical Gears

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

32 products

Helical Gear Racks

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

4 products

Ratchet Gears and Pawls

Transmit motion in one direction and stop it in the other

39 products

Drive Sprockets

Mount directly onto a shaft to transmit rotary motion and torque

3,671 products

Roller Chain and Links

Mate with sprockets to transmit power between rotating shafts

574 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

721 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

V-Belt Drive Pulleys

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

580 products

Round Belt Idler Pulleys

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

21 products

Idler Sprockets

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

85 products

Inverted-Tooth Chain

Smoothly transmit power between rotating shafts with minimal vibration and noise

12 products

Inverted-Tooth Chain Pins

Replace the pins in your inverted-tooth chain or link two chains together

6 products

Leaf Chain and Links

Pair with flat-belt pulleys for low-speed pulling and to counterbalance machinery

9 products

V-Belt Idler Pulleys

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

14 products

Timing Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

17 products

Flat Belt Idler Pulleys

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

31 products

Round Belt Drive Pulleys

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

15 products

Flat Belt Drive Pulleys

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

25 products

U-Joints

Transfer torque between shafts at an angle; handle more torque and misalignment than flexible shafts

181 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

2,110 products

Flexible Shafts

Snake around curves and obstructions to transmit rotary motion along any path

41 products

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

56 products

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

54 products

Electric Motors

Keep machinery and equipment moving with AC or DC power

361 products

Electric Gearmotors

A motor and speed reducer in one to slow speed and increase torque in AC- or DC- power applications

304 products

Stepper Gearmotors

Stepper motor and gearbox in one for high torque in areas large motors won’t fit

20 products

Hydraulic Motors

Power equipment where electric motors aren't safe and air-powered motors aren't strong enough

6 products

Stepper Motors

The motor shaft turns in small, equal increments for precise positioning

197 products

Servomotors

Create rotary motion with accurate positioning and fine control over speed and torque

96 products

Air-Powered Gearmotors

A motor and speed reducer in one to slow speed and increase torque in air-powered applications

16 products

Air-Powered Motors

A safe alternative to electric motors for harsh areas since they won’t spark or overheat

23 products

Motor Mounts

Adjust motor positions in belt-driven systems to increase efficiency and reduce wear on components

34 products

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

103 products

Hydraulic Actuators

Turn heavy loads to do everything from opening tank doors to pivoting conveyors

16 products

Electric Slides

Move parts with precision in electronics, robotics, and other automated processes

82 products

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

1,166 products

Bearing Heaters

For correct installation on shafts, heat bearings to expand them

9 products

Ball Bearings

Create less friction than other bearings for use at high speeds

2,160 products

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

439 products

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

20 products

Flanged Sleeve Bearings

A sleeve and thrust bearing in one to support both parallel and perpendicular loads

2,012 products

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

1,170 products

Sleeve Bearings

With no moving parts, the plainest type of bearing

3,405 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

112 products

Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

5 products

Brake and Clutch Friction Lining

Replace the lining in brakes and clutches; also known as friction material

145 products

Sleeve Splines and Bearings

Combine sleeve splines and bearings to create linear and rotary motion systems

21 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

979 products

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

18 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

205 products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

2,725 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

1,318 products

Rotary Shafts

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

1,741 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

28 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

808 products

Speed Limiters

Control the speed of movement for attached components such as doors, panels, and drill presses

138 products

Ball Screw/Splines and Bearings

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

3 products

Lubricating

Oil Additives

Enhance the performance of oil and extend its life

7 products

Electrical Power, Networking, and Controlling

Ethernet Cords

Send data between computers, printers, servers, and switches

308 products

Security Cable

Connect low-current security and intercom systems

53 products

USB Cords

Transfer data between computers, printers, and mobile devices

255 products

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

70 products

ix Industrial Cords

Send data or signals between equipment, such as a servomotor and encoder

6 products

Power Cords

Connect equipment and devices to a power source

263 products

Mitutoyo Cords

Connect your measuring tool to miniprocessors, multiplexers, or PCs

22 products

DMX Cords

Connect to lighting equipment with five-pin XLR connections

3 products

Extension Cords

Extend the reach of power from an outlet

386 products

Robot Teach Pendant Cord Reels

Keep the cords connecting your robot controller and teach pendant organized and out of the way

12 products

Extension Cord Reels

Keep extension cords easy to access without creating a tripping hazard

94 products

Control Cable

Send signals to control machinery and automated systems

42 products

Fiber-Optic Cable

Transmit signals between data centers and workstations in fiber-optic networks

12 products

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

6 products

Fieldbus Cable

Connect devices in Fieldbus communication networks

1 product

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Modbus Cable

Connect devices in Modbus communication networks

2 products

Metric Circular Cords

Send power and signal to equipment with metric connections

478 products

Coaxial Cable

Transmit audio, data, and video signals

8 products

Ethernet Cable

Send data between computers, printers, servers, and switches

20 products

Profinet Cable

Connect devices in Profinet communication networks

2 products

Telephone Cable

Connect telephones and telephone blocks to a wall jack

6 products

Profibus Cable

Connect devices in Profibus communication networks

3 products

Breakaway Cords

Disconnect if pulled to prevent stress on cord

6 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

59 products

Fiber-Optic Cords

Connect computers, servers, and switches in a fiber-optic network

34 products

Video Adapter Cords

Send video between devices with different connections

8 products

Audio Cords

Hook up speakers to an audio signal

13 products

Thunderbolt Cords

Transmit data and video at high speeds between PCs, mobile devices, and displays

2 products

Profibus Cords

Transmit data in automation systems and other networks

4 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

DisplayPort Cords

Send video from computers to monitors and other displays

26 products

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

207 products

Robot Controller Cords

Extend the distance between a robot arm and a controller

3 products

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

199 products

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

21 products

Robot Teach Pendant Cords

Connect robot controllers and teach pendants

25 products

Starrett Cords

Connect measuring tools with SPC data output directly to a PC

3 products

Ethernet Cord Reels

Keep an ethernet cord on hand but out of the way

1 product

IO Link Connectors

Remotely view measurements, adjust settings, and identify errors in sensors and actuators

28 products

RJ45 Connectors

Plugs, sockets, and receptacles to make Ethernet connections

85 products

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

67 products

Coaxial Connectors

Plugs, sockets, receptacles, and adapters to make coaxial connections

54 products

DisplayPort Connectors

Connect two DisplayPort cords of the same gender and connection type

1 product

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

1,552 products

Video Adapters

Convert from one video connection to another

7 products

ix Industrial Sockets

Pair with plugs to add ix Industrial connections to printed circuit boards

6 products

Fiber-Optic Connectors

Join fiber-optic cords that have the same gender and connection type

10 products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

289 products

Amphenol Connectors

Attach wires to a circuit board

32 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

138 products

Han Connectors

Plugs and sockets to make Han connections

4 products

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

20 products

Audio Receptacles

Install in walls and panels and pair with plugs to make audio connections

7 products

HDMI Adapters

Convert one HDMI size or style to another

11 products

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

1 product

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

28 products

Telephone Wiring Blocks

Keep telephone cable organized and accessible

2 products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

16 products

Electrical Connector Caps

Protect data connectors when not in use

6 products

USB Extenders

Increase the reach of USB devices with a transmitter and receiver

3 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

17 products

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

25 products

Linear Motion Position-Measuring Transmitters

Measure the position of an object moving in a straight line; also known as string pots

10 products

IO Link Programmers

Configure your IO Link devices without a PC, outlet, or separate software

1 product

Motor Speed Controls

Manage the speed of AC and DC motors

37 products

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Conductivity Controllers

Turn pumps, mixers, and valves on and off based on a solution’s conductivity

3 products

Multifunction Chemistry Controllers

Use pH or oxidation reduction potential (ORP) levels to turn equipment on or off

7 products

Computer Monitors

Display information in tough conditions such as on factory floors and outdoor jobsites

9 products

Circuit Board Connectors

Connect flat flexible cable to circuit boards

10 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

681 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

68 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

1 product

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

21 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

4 products

Rotary Encoders

Track the distance, direction, and speed of travel of motor shafts, conveyors, and wheels

34 products

Grounding Rings

Create a pathway for stray currents to prevent damage to bearing surfaces in AC motors

22 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

5 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

54 products

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

5 products

Jumper Cords

Ready to connect with a terminal at one or both ends

10 products

Battery Cords

Connect batteries to each other

31 products

Measuring and Inspecting

Inertial Measurement Units

Mount to robot arms, cranes, and vehicles to accurately track their movements

1 product

Position Indicators

Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely

20 products

SPC Receivers

Connect to a computer to receive measurements from an SPC wireless transmitter

6 products

Light Meters

Measure light quality and intensity

9 products

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

1 product

SPC Transmitters

Send data from measuring tools with SPC output to a wireless receiver

8 products

Chemistry Meters

Take water-chemistry measurements more precisely than test strips and swabs

42 products

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

23 products

Weather Stations

Measure multiple weather conditions at the same time

9 products

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Communication

Telephone Cords

Connect telephones to data outlets

9 products

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

12 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

Antennas

Mount on the outside of a vehicle for better radio reception

1 product

Radios

Everything from walkie talkies to CB and AM/FM radios

36 products

Display Screens

Display text, numbers, symbols, and other information from your electronics

27 products

Building and Machinery Hardware

Garage Door Opener Transmitters

Send signals to receivers to open and close automatic overhead door openers

8 products

Garage Door Opener Receivers

Wire to automatic overhead door openers to accept signals from remote and keypad transmitters

1 product

Mechanical Control Cables

Weave around obstructions to operate valves, throttles, and other machinery from a distance

97 products

Fluid Handling

Pressure Transmitters

Send pressure readings to controllers and remote displays

371 products

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

49 products

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

29 products

RTD Transmitters

Send temperature readings from RTD probes in containers, tanks, and pipes to switches and PLCs

10 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

720 products

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

9 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

2 products

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

21 products

Fastening and Joining

Threaded Rod Collars

Hold and position parts on a threaded rod

76 products

Material Handling

Pulleys

Mount or suspend to guide wire rope for lifting and pulling loads

348 products

Jacks

Lift, hold, push, and position heavy objects

5 products

Conveyor Roller Bearings

Replace bearings on conveyor rollers, or press into tubing or pipe to create a roller

39 products

Lighting

Light Switch Sensors

Automatically turn lights on and off when you enter and exit rooms

21 products

LED Drivers

Deliver the electrical current your LEDs need

2 products

Light Switch Sensor Controllers

Turn lights on and off or dim them in unison from a secure Bluetooth network

9 products

Fiber-Optic Flashlight Cable

Shine light into hard-to-reach spaces by attaching to your flashlight

1 product

Heating, Ventilation, and Air Conditioning

Fan Motors

Replace fan motors or build your own fan

22 products

HVAC Flame Detectors

Replace flame detectors in HVAC equipment such as furnaces, ovens, water heaters, and boilers

1 product