Bearings, Shafts, & Spacers

The Rounded UltraHex Shaft is compatible with the REV ION System and allows teams to adapt the REV 5mm Hex Shaft family of products to 0.5in Hex applications. It can also be used as a coupler to extend 5mm Hex shafts. Rounded UltraHex...

M3 Spacers are compatible with the REV DUO System and accurate way to space gears, sprockets, wheels, and other parts on a M3 bolt.  

5mm Hex Shafts are compatible with the REV DUO System. The hex shaft interface completely eliminates the need for expensive hubs or using potentially unreliable set screws. REV shafts are made out of strong, corrosion resistant stainless steel...

Through Bore Bearings are compatible with the REV DUO System and are used with 5mm Hex Shafts recommend for the DUO Extrusion System to provide a low friction rotating shaft support. These low profile bearings fit in any of the 3mm...

5mm Hex Spacers are compatible with the REV DUO System and accurate way to space gears, sprockets, wheels, and other parts along a 5mm hex shaft. Mix and match various spacer lengths to adjust spacing in increments as small as 1.5mm...

The 5mm Hex Shaft and Spacer Bundle features an assortment of REV products that work to transmit intended motion and constrain unintended motion in the DUO Build System. Use this bundle to restock your existing shaft and spacer supply, or as a great...

The FTC Bearing Bundle offers a plethora of motion support components for the DUO Build System. The basics of motion support can be found on the Supporting Motion documentation page. Use this bundle to restock your existing bearing supply, or as a...

This Motion Pattern Spacer offers a convenient and accurate way to space gears, sprockets, wheels, and other parts through the Motion Pattern interface. Great for getting the proper spacing when face mounting to the UltraPlanetary Gearbox...

High strength string for use with the small Pulley Bearings and the 15mm Linear Motion Kit to create a powered lift.   Specifications Material: Ultra-high-molecular-weight Polyethylene (UHMWPE) Load Rating: 300lb+ Diameter: 1.2mm...

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...

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...

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...

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...

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...

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...

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...

The REV Robotics Slim Shaft Collar is used to prevent gears, sprockets, wheels, and other parts from sliding out of place on a 5mm hex shaft when space is at a premium. Shaft collars can also be used to prevent the shaft itself from sliding out of its...

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

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...

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...