• 4” Diameter Standard
• Completed sealed beams
• Require little to no lubrication
• Come with axle bolt and nut
• Premium Quality Material PA66 GF30.
(30% Glass Fiber reinforced Nylon 66)
• Very good mechanical strength.
• High heat deflection temperature.
• High stiffness.
• High strength.
• Excellent wear properties.
• High fatigue strength.
• Resistant to many solvents.
• High creep resistance.
• Approx 1200lbs Weight Load per set (2 Wheels)