14038 Robust Mindstorm NXT Compatible 48mm Omni Wheel for Hex Hub features:

The 48mm Omni wheels is a robust, Mindstorm NXT compatible omni wheels which is usually used in industrial market. It is mounted in a fixed position which is 

capable of 360 degree movement and rotation. Durable construction and unlimited maneuverability make this omni wheel ideal for tough environments and industrial applications.

The 48mm Omni directional wheels is engineered for both floor and inverted applications such as manual and powered conveyor transfer systems, feed rails, 

workstation turntables, robot wheels and so on. It comes with an NXT compatible hub and an Axle Centre hub for the Arduino motors.

The picture is only for your reference instead of what you receive.The actual goods is only wheels .

Key Features:

·360 degree manoeuvrability

·Simple & stable mounting options

·Robust and durable construction

·Fits other Arduino motors with the hub included

·Easier directional control and tracking

·Low Maintenance

Specifications:

·Body & Roller Color: Black/Gray

·Wheel Diameter: 48mm

·Roller Diameter: 13mm

·Body Material: Nylon

·Roller Material: Nylon+PE

·Load Capacity: 2 kg

·Net weight: 39g

14038 Robust Mindstorm NXT Compatible 48mm Omni Wheel for Hex Hubpictures as below:

What are the advantages and disadvantages of the Omni wheel?

The advantages of the Mecanum wheel and the omnidirectional wheel are flexibility and convenience, and the disadvantage is expensive. The omnidirectional wheel, as the name suggests,

 can move in any direction, at any angle, and in any direction. mecanum wheel these rollers having an axis of rotation at 45° to the plane parallel to the axis of rotation of the wheel.