Self-aligning ball bearings
![Schaeffler rolling bearings and plain bearings: Self-aligning ball bearings](https://www.schaeffler.co.jp/remotemedien/media/_shared_media_rwd/05_products_services_1/industrial_products_services/rolling_and_plain_bearings/product_description_rolling_bearings_plain_bearings/00014D0A_16_9-schaeffler-products-self-aligning-ball-bearings_rwd_1000.jpg)
Self-aligning ball bearings are double row, self-retaining units comprising outer rings with a concave raceway, inner rings with a cylindrical or tapered bore and ball and cage assemblies. The bearings are available in open and sealed designs.