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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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  • Replacement Gear Set for Smart Robot Servo

    Replacement Gear Set for Smart Robot Servo

    REV-41-1168
    $13.00
    Complete gear set replacement for the Smart Robot Servo (REV-41-1097) Notes Replacement Gear Sets purchased after 03/27/2019 ship with updated versions of the replacement gears that fit the updated version of the Smart...
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    $13.00
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  • Universal Hex Adapter V2 - 2 Pack

    Universal Hex Adapter V2 - 2 Pack

    REV-41-1833-PK2
    $7.50
    The Universal Hex Adapter V2 is a steel hub that allows teams to quickly and easily adapt their existing parts to work with 5mm hex.  Specifications Material: Sintered Steel Hole Pattern: Four M3 tapped holes on a 0.630in (16mm) diameter circle -...
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  • Locking Motion Hub - 2 Pack

    Locking Motion Hub - 2 Pack

    REV-41-1719-PK2
    $4.50
    The Locking Motion Hub places a motion pattern on any 5mm hex shaft. Use this to connect metal sprockets to 5mm hex shaft or add strength to wheels, gears, and plastic sprockets through the REV Motion Pattern without the need of a shaft collar...
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    $4.50
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  • 5mm Hex Bearing Block

    5mm Hex Bearing Block

    REV-41-1683
    $4.00
    This metal Hex Bearing Block is used with the REV DUO 15mm Extrusion and REV DUO Channel. A hex ball bearing is pre-pressed into the metal bracket. Specifications Material: Sintered Steel, Steel CAD & Drawings SKU-STP REV-41-1683 Onshape SKU-DR
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    $4.00
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  • HD Hex Spur Gearbox Spacer V2 - 2 Pack

    HD Hex Spur Gearbox Spacer V2 - 2 Pack

    REV-41-1648-PK2
    $2.75
    The HD Hex Spur Gearbox Spacer V2 makes it easier to use the Motion Pattern for mounting HD Hex Motors with a Spur Gearbox. Specifications Material: ABS Documentation DUO Build System Guide CAD & Drawings REV-41-1648 STEP File REV-41-1648...
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    $2.75
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  • High Strength Hex Hub - 2 Pack

    High Strength Hex Hub - 2 Pack

    REV-41-1147-PK2
    $5.50
    Universal Hex Adapter (REV-41-1833) also available as an alternative. This part is a replacement for the discontinued Hex Hub Adapter (REV-41-1146). Expand your team's building options without giving up the products that you already own. This sintered...
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  • GT2 3mm Pitch Pulleys

    GT2 3mm Pitch Pulleys

    $2.25 - $7.00
    Timing belts and pulleys are compatible with the REV DUO System. They are lighter and can be more efficient than chains and sprockets. Tensioning and adjustment are a thing of the past. 24 Tooth through 60 Tooth size pulleys come with two ends and an...
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  • Tensioning Bushing - 39mm - 4 Pack

    Tensioning Bushing - 39mm - 4 Pack

    REV-41-1702-PK4
    $5.50
    When designing chain or belt driven system, the ability to adjust tension in the system is ideal. Using the Tensioning Bushing with REV DUO U Channel allows users to fine tune their system to find the optimum amount of tension for any application...
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  • 40 Tooth Metal #25 Sprocket

    40 Tooth Metal #25 Sprocket

    REV-41-1723
    $11.50
    Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide CAD & Drawings SKU-STP...
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    $11.50
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  • 32 Tooth Metal #25 Sprocket

    32 Tooth Metal #25 Sprocket

    REV-41-1722
    $9.00
    Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide CAD & Drawings SKU-STP...
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    $9.00
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  • 26 Tooth Metal #25 Sprocket

    26 Tooth Metal #25 Sprocket

    REV-41-1721
    $7.50
    Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide CAD & Drawings SKU-STP...
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    $7.50
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  • 20 Tooth Metal #25 Sprocket

    20 Tooth Metal #25 Sprocket

    REV-41-1720
    $5.50
    Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide CAD & Drawings SKU-STP...
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    $5.50
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  • 15 Tooth Metal #25 Sprocket

    15 Tooth Metal #25 Sprocket

    REV-41-1717
    $4.50
    Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide CAD & Drawings SKU-STP...
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    $4.50
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  • 10 Tooth Metal #25 Sprocket - 4 Pack

    10 Tooth Metal #25 Sprocket - 4 Pack

    REV-41-1716-PK4
    $11.50
    Metal sprockets designed to work in high-load applications with #25 chain. Specifications Chain Size: #25 Material: Sintered Steel CAD & Drawings REV-41-1716 STEP File REV-41-1716 Onshape REV-41-1716 Drawing
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  • 5mm Hex to 8mm Round Bearing Insert - 20 Pack

    5mm Hex to 8mm Round Bearing Insert - 20 Pack

    REV-41-1528-PK20
    $10.00
    The 5mm Hex to 8mm Round Bearing Insert, when paired with the 8mm x 12mm x 3.5mm Flanged Bearing (REV-49-1559), allows you to support 5mm hex shaft with a robust low friction bearing. It includes a pair of locking tabs that secure the insert to the...
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    $10.00
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  • HD Hex Planetary Facemount Spacer - 2 Pack

    HD Hex Planetary Facemount Spacer - 2 Pack

    REV-41-1667-PK2
    $2.75
    The HD Hex Planetary Gearbox Spacer makes it easier to use the Motion Pattern for mounting HD Hex Motors with the 20:1 Planetary Gearbox (REV-41-1211). Specifications Material: ABS Documentation DUO Build System Guide CAD & Drawings REV-41-1667...
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    $2.75
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