Skip to Main Content »

VEX Robotics
Ships From:

Category Navigation:

4" Omni-Directional Wheel

 4" Omni-Directional Wheel
  • 8" Omni-Directional Wheel
  • 6" Omni-Directional Wheel
  • 3.25" Omni-Directional Wheel

Omni-Directional Wheels

Omni-Directional wheels roll forward like normal wheels, but slide sideways with almost no friction (no skidding during turns). Use these wheels to make your robot turn smoothly or build a holonomic drivetrain.

VEXpro Omni-Directional Wheels are manufactured from Glass-filled Nylon with high-traction rubber rollers. Compatible with VEXpro VersaHubs for driving with a sprocket or can be used with bearings for use on an axle.

These Omni-Directional wheels were designed from the ground up to give the smoothest ride possible. Our construction method, using a dual roller design, allows for a constant contact patch with a narrow profile. Each roller is tailored for the individual wheel diameter, and provides the correct, constant radius. We don't share rollers between wheel types -- these wheels aren't "almost round" they're actually round. This smooth-ride provides higher efficiency and reduces wasted power!

Omni-Directional wheel assembly hardware is separate from sprocket mounting hardware. Sprockets are screwed into captive 8-32 standoffs. This allows for easy removal and replacement of sprockets without disassembling the entire wheel. No more worrying about your whole wheel falling apart just because you wanted to remove the sprocket.

Ships fully assembled. The 3.25" Omni-Directional Wheel (217-4775) only has a center bore, and does not include mounting holes for sprocket, gear, or hub attachment.

Product Name P/N: Availability Price Qty
3.25" Omni-Directional Wheel 217-4775
In Stock
$17.99
4" Omni-Directional Wheel 217-2584
In Stock
$17.99
6" Omni-Directional Wheel 217-2585
In Stock
$22.99
8" Omni-Directional Wheel 217-2613
In Stock
$28.99

You may also be interested in the following product(s)

Product Name P/N: Availability Price Qty
VersaHubs
In Stock

Mounting Hardware Guide

  • Mounting (1) Keyed or Hex VersaHub - 1/4" or 3/8" long screw
  • Mounting (1) Plate Sprocket and (1) Sprocket VersaHub - 1" or 1.25" long screw
  • Mounting (2) Plate Sprockets and (2) Sprocket Versahubs - 1.5" or 1.75" long screw

Technical Specifications

    Mounting Holes: (6) 8-32 threaded mounting holes (into captive standoffs) on a 1.875" bolt circle

    Bearing Hole: 1.125" OD Bearing Hole

    Bearing Retainers: (3) 0.130" holes (designed to self-tap with a #8 screw) on a 1.4" bolt circle

    Load Rating: Conservatively rated for use on 200 lb robots

    Coefficient of Friction: 1.1

    Weight:
  • 3.25": 0.39 lbs
  • 4": 0.42 lbs
  • 6": 0.94 lbs
  • 8": 1.35 lbs
Body: Glass-filled Nylon

Rollers:
  • 3.25": 90 Shore TPR Rubber
  • 4": 70 Shore TPR Rubber
  • 6": 70 Shore TPR Rubber
  • 8": 70 Shore TPR Rubber