Bearings, Shafts, & Spacers

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...

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...

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...

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...

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...

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 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 15mm 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...

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...