As an avid INDUSTRIAL and scientific enthusiast, I`ve had my share of disappointments with low-quality bearings. However according to my experience, the sealed radial X0 196 bearings have exceeded my expectations. Their smooth performance and high-quality construction make them an ideal choice for any power transmission application. The seals effectively prevent any contamination from getting inside, ensuring the bearings last longer. However, their premium quality comes at a cost, making them pricier than the average bearing. Overall, I highly recommend these bearings for anyone seeking reliable and effective power transmission products. .