Using this product our team found that the PGN R12 ZZ Shielded Bearing Lubricated is a great choice for industrial and scientific applications... The bearing was easy to install and provided smooth and reliable performance, reducing the downtime of our machines. The bearing is also shielded, which protects it from dirt and debris, ensuring longevity and durability. However, we noticed that the bearing is slightly more expensive than some of the other options available in the market. Overall, this product is a reliable choice for anyone in need of high-quality bearings that can withstand tough industrial conditions..