F**KG 6200 ZZ 10x30x9mm Pre-Lubricated Bearing Review

Bearings are individually packaged and pre-lubricated. The design seems perfect, and the bearing is quite well protected from dirt by metal shields. Easy to roll out of the bag. The dimensions given are very accurate.

From an engineering point of view these are quality bearings for my (specific) windmill application. I chose it for the stainless steel seals (as opposed to rubber seals) plus descriptions and hope for the best. The bearings came individually wrapped in plastic bags and boxes. Fits perfectly and my spinner now spins much smoother than the original. Just measure your old bearing rings carefully as many bearings are very similar in size and different applications use different sizes.

These are good quality bearings. I have a lot of experience with different bearings and types. You will often find that bearings of this size can have a large gap between the inner and outer ring. They have a tight tolerance, useful in most applications, and they last longer. I like the quality very much. As long as it's not too tight, like an interference fit on the outer ring. This causes the bearing to bind due to the close tolerance and pressure on the balls. As long as it's non-slip or…