4 Inch 100mm Omni-Directional Wheel Mcnam Wheel for Smart Robot Car

Diameter: 100mm
Axial width: 35 mm
Number of discs: 2
Number of rollers: 18
The Connecting type of the Roller: Bearing type
Body material: nylon
Roller material: rubber
Roll diameter: 19mm
Net weight: 320g
Load capacity: 20KGIts suitable coupling parameters are as follows:
Outside diameter: 56.8mm
Cylinder length: 26.4mm
Package Included:1 x Omni-Directional Wheel ( Without coupling )