In contrast to ball bearings, cylindrical roller bearings use cylinders as the rolling part. This can help to distribute a load more evenly, as the roller will have more contact with the outer ring. They can be used to achieve high speeds and are most often used in engineering.
You can buy cylindrical roller bearings online, selecting anything from budget options upwards. Take note of the bore and its size so you know you are buying a bearing with the right dimensions. You should also know the inside diameter, outside diameter, width and whether the bearing should have a snap ring.