4'' Mecanum Wheel Set (2x Left, 2x Right)

• 8x Mecanum Body Halves
• 48x Individual 4-40 x 1/2" PPHS
• 48x Individual Rollers
• 48x Individual Washers
• 24x Wheel Spindle
• 24x Individual 4-40 x 1" STS

• Diameter: 4-inch (100mm)
• Width across middle: 1.125-inch (28.6mm)
• Width at rollers: 2.0-inch (50mm)
• Bore: 0.315-inch (8mm)
• Weight: 0.35 pounds per wheel

ZIP File

• Documentation

• Load Capacity: 17 pounds (7.7 kg) per wheel or 50 pounds (31.6 kg) per set of 4
• Forward / reverse coefficient of friction: 0.51 on FTC Soft-tile
• Sideways coefficient of friction: 0.67 on FTC Soft-tile

Bolt Pattern

• Inner: 0.138-inch (3.5mm)
• Outer: 0.200-inch (5.1mm)

Roller

• Number of rollers: 6, with each being 2 independent rollers
• Material, outside: TPU polyurethane
• Durometer: 77A
• Axle material: Nylon