One of the earliest and best known rolling element bearings are sets of logs.
Element bearings ceramic.
A rolling element bearing also known as a rolling bearing is a bearing which carries a load by placing rolling elements such as balls or rollers between two bearing rings called races the relative motion of the races causes the rolling elements to roll with very little rolling resistance and with little sliding.
Since these bearings are constructed from many materials they often operate in hybrid capacities.
You are purchasing the bearings listed above.
Element rc ifs conversion kit ceramic sealed bearing kit 4 4x8x3 ceramic 4 5x10x4 ceramic 2 7x14x3 5 ceramic 2 10x15x4 ceramic.
Ceramic bearings are comprised of ceramic rolling elements balls enclosed in a ferrous typically steel inner and outer race.
We also build ceramic bearings i e bearings with ceramic races but they are not as common because they are less durable.
You are purchasing the bearings listed above.