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Motion

These motion parts are designed to make things move. Motors provide the rotational power; gears, sprockets, and wheels transmit and transform that power; and bearings help reduce friction. A useful motion system consists of many of these parts working together. The diagrams below depict a few basic motion assemblies. Explore the subcategories for more information or visit the Tech Resources page for detailed building guides.

 

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End Cap Bearing with Motion Bracket
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Simple Geared Arm
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Short Bearings and Motion Brackets

 

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  • Small Pulley Bearings - 10 Pack

    Small Pulley Bearings - 10 Pack

    REV-41-1368-PK10
    $12.50
    These v-groove bearing pulleys fit on an M3 x 16mm Hex Cap Screw and can be mounted directly onto extrusion. Use with 15mm Linear Motion Kits and a high tensile strength no-stretch string, such as kevlar string or spectra fishing line, to create an...
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    $12.50
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  • #25 Roller Chain - 10 ft

    #25 Roller Chain - 10 ft

    REV-41-1365
    $17.50
    Single Strand #25 roller chain for use with #25 sprockets. Use a master link (connecting link) for #25 chain connect two ends of chain to create a loop. Specifications Material: Steel Size: #25 Pitch: 0.25in
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    $17.50
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  • #25 Master Links - 5 Pack

    #25 Master Links - 5 Pack

    REV-41-1366-PK5
    $5.50
    Master link (connecting link) for #25 chain. Use a master link to connect two ends of chain to create a loop. Specifications Material: Steel Size: #25 Pitch: 0.25in CAD & Drawings REV-41-1366 STEP File REV-41-1366 Onshape
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    $5.50
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  • Shaft Collars - 10 Pack

    Shaft Collars - 10 Pack

    REV-41-1327-PK10
    $9.00
    This shaft collar is compatible with the DUO Build System and is used to prevent gears, sprockets, wheels, and other parts from sliding out of place on a 5mm hex shaft. Shaft collars can also be used to prevent the shaft itself from sliding out of its...
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    $9.00
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  • Servo Gear Adapter - 4 Pack

    Servo Gear Adapter - 4 Pack

    REV-41-1364-PK4
    $5.50
    This Servo Gear Adapter is a 15 Tooth Plastic Gear that attaches to any 25T output servo including the Smart Robot Servo. Warning: Gears from other building systems may have a very similar tooth profile but are not an exact match. It may be possible to...
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    $5.50
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  • Servo Shaft Adapter - 4 Pack

    Servo Shaft Adapter - 4 Pack

    REV-41-1328-PK4
    $5.50
    The Servo Shaft Adapter makes it possible to drive a 5mm hex shaft with any 25T output servo including the Smart Robot Servo. The adapter attaches to the servo spline like any common servo horn and accepts a 5mm hex shaft on the opposite end...
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    $5.50
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  • End Cap Bearing - 8 Pack

    End Cap Bearing - 8 Pack

    REV-41-1322-PK8
    $6.25
    The End Cap Bearing is used with the 5mm hex shaft recommended for the DUO Build System 15mm Extrusion to provide a low friction rotating shaft support. This bearing is intended to seat in any of the plastic REV DUO brackets with the 9mm ID bearing seat...
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    $6.25
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  • 15mm Bearing Pillow Block - 8 Pack

    15mm Bearing Pillow Block - 8 Pack

    REV-41-1317-PK8
    $7.00
    This bearing pillow block bracket is used with the DUO Build System 15mm Extrusion. The 9mm center hole is use with either the Long Through-bore Bearing (REV-41-1329) or the End Cap Bearing (REV-41-1322) to provide a low friction shaft support. This...
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    $7.00
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  • 15mm Hex Pillow Block - 4 Pack

    15mm Hex Pillow Block - 4 Pack

    REV-41-1316-PK4
    $4.50
    This bearing pillow block bracket is used with the DUO Build System 15mm Extrusion. The hex center hole fits the 5mm hex shaft. This bracket has alignment ribs on the bottom which help align the bracket with the extrusion channel...
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    $4.50
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  • Smart Robot Servo

    Smart Robot Servo

    REV-41-1097
    $30.00
    The REV Smart Robot Servo (SRS) is a configurable metal-geared servo that takes the guesswork out of aligning and adjusting servo based mechanisms. One SRS can be used as a standard angular servo, a custom angular servo, and a continuous rotation servo...
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    $30.00
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  • HD Hex Motor No Gearbox

    HD Hex Motor No Gearbox

    REV-41-1291
    $20.50
    The HD Hex series motors and gearboxes feature integrated encoders and power that plug right into the Control Hub (REV-31-1595) and Expansion Hub (REV-31-1153). The gearbox options feature 5mm Hex output or coupler making it easy to connect gears,...
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    $20.50
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  • 8mm x 12mm x 3.5mm Flanged Bearing - 10 Pack

    8mm x 12mm x 3.5mm Flanged Bearing - 10 Pack

    REV-49-1559-PK10
    $17.00
    This 8mm x 12mm x 3.5mm Flanged Bearing, when paired with the 5mm Hex to 8mm Round Bearing Insert (REV-41-1528), allows teams to support our 5mm hex shaft with a robust low friction bearing.   We recommend mounting the bearing into...
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    $17.00
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  • Core Hex Motor

    Core Hex Motor

    REV-41-1300
    $28.50
    The Core Hex Motor is compatible with the DUO Build System and features a 90 degree orientation and a female output shaft for maximum flexibility and ease of use. Insert any of the REV standard 5mm Hex Shafts into or through the Core Hex Motor to create...
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    $28.50
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  • M3 Ball Joint Rod Ends

    M3 Ball Joint Rod Ends

    $12.50
    M3 Ball Joint Rod Ends are compatible with the REV DUO System. The Female M3 Ball Joint Rod End (REV-49-1560) can either be paired with its male counterpart to create short linkage arms or with M3 threaded rod and a second female ball...
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    $12.50
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  • HD Hex Motor 20:1 Planetary Gearbox

    HD Hex Motor 20:1 Planetary Gearbox

    REV-41-1211
    $40.00
    The HD Hex series motors and gearboxes feature integrated encoders and power that plug right into the Control Hub (REV-31-1595) and Expansion Hub (REV-31-1153). The gearbox options feature 5mm Hex output or coupler making it easy to connect gears,...
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    $40.00
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  • UltraPlanetary Female 5mm Hex Output V2

    UltraPlanetary Female 5mm Hex Output V2

    REV-41-1615
    $17.00
    The UltraPlanetary Female 5mm Output V2 is the output stage of the UltraPlanetary System. With two different ways to transfer power, the output stage allows designers to choose the option best suited for the application. The V2 version of the...
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    $17.00
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  • Aluminum Servo Shaft Adapter

    Aluminum Servo Shaft Adapter

    REV-41-1558
    $8.00
    This Servo Shaft Adapter makes it possible to drive a 5mm hex shaft with any 25T output servo including the Smart Robot Servo. The adapter attaches to the servo spline like any common servo horn and accepts a 5mm hex shaft on the opposite end. This...
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    $8.00
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  • SRS Programmer

    SRS Programmer

    REV-31-1108
    $23.00
    The REV Robotics SRS Programmer is the key to unlocking all the smart features of the (SRS) Smart Robot Servo (sold separately). Switching between continuous rotation, standard servo, and custom angular modes is easy as pressing a button...
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    $23.00
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  • HD Hex Motor 40:1 Spur Gearbox

    HD Hex Motor 40:1 Spur Gearbox

    REV-41-1301
    $34.50
    The HD Hex series motors and gearboxes feature integrated encoders and power that plug right into the Control Hub (REV-31-1595) and Expansion Hub (REV-31-1153). The gearbox options feature 5mm Hex output or coupler making it easy to connect gears,...
    Qty in Cart: 0
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    $34.50
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  • HD Hex Motor 20:1 Spur Gearbox

    HD Hex Motor 20:1 Spur Gearbox

    REV-41-1298
    $34.50
    The HD Hex series motors and gearboxes feature integrated encoders and power that plug right into the Control Hub (REV-31-1595) and Expansion Hub (REV-31-1153). The gearbox options feature 5mm Hex output or coupler making it easy to connect gears,...
    Qty in Cart: 0
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    $34.50
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  • UltraPlanetary 1/2in Hex Adapter

    UltraPlanetary 1/2in Hex Adapter

    REV-41-1620
    $9.50
    The UltraPlanetary 1/2in Hex Adapter is designed to face mount to the UltraPlanetary gearbox and provide a convenient 1/2in hex output shaft that is commonly used in the FIRST Robotics Competition. The recommended hardware for mounting the...
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    $9.50
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  • 15mm Linear Motion Kit V2 Hardware Pack

    15mm Linear Motion Kit V2 Hardware Pack

    REV-45-1831
    $7.00
    This is all of the hardware included in the 15mm Linear Motion Kit V2 (REV-45-1507). Specifications Hole Diameter: M3 Clearance Kit Contents QTY 8 - M3 x 8mm Low Profile Socket Screws QTY 8 - M3 x 8mm Hex Cap Screws QTY 8 - M3 Nyloc Nuts QTY 8 - M3...
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    $7.00
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  • Aluminum Double Servo Arm

    Aluminum Double Servo Arm

    REV-41-1820
    $7.00
    Aluminum Servo Arm that is compatible with the REV Smart Robot Servo. Lightweight and strong, this arm is best utilized under high and low torque applications. Specifications Material: 6061 Aluminum CAD & Drawings SKU-STP REV-41-1820...
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    $7.00
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  • UltraPlanetary 550 Motor Plate

    UltraPlanetary 550 Motor Plate

    REV-41-1607
    $4.50
    The UltraPlanetary 550 Motor Plate works with the REV HD Hex Motor, REV NEO 550 Brushless Motor, and other 550 class motors. The UltraPlanetary System offers a variety of mounting options, with four different brackets available for attachment to REV...
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    $4.50
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