I used these as a replacement for the plastic wheels on the rotating platform in my microwave oven. After years of rotation the axles and inner diameter of the plastic wheels were wearing out to the point that they were falling off the axles. I decided to try these plastic ball bearing instead of the manufacturer's supplied wheels. They work beautifully and won't wear out the axles any further. They fit perfectly. You had bearings with the perfect dimensions. Thanks.
Plastic Ball Bearings 
