8 ball bearings suitable for Polaris 280 or 180 robot wheels Corresponds to the reference C60 C-60 Dimensions: exterior 28 mm, interior 15 mm Bearing body made of plastic and stainless steel balls, identical to the original, for optimal operation and increased longevity. Replacing the bearings of your Polaris robot is very simple and quick to do yourself 💡Note: Due to manual measurement, the size may have an error of 2 cm / 1 inch; due to different screens and angles, the color and size may be slightly different, thank you for your understanding! HANBING welcomes your purchase! We look forward to showing you your shopping experience. "
