6307 2RS PBF is a bearing with an inner diameter (Øint) of 35mm, an outer diameter (Øout) of 80mm and a width (W) of 21mm, made of bearing steel and manufactured by PBF. It is a ball bearing, specifically designed for rotating machinery. It is designed to handle radial and axial loads in both directions, making it ideal for applications such as wheel bearing and transmission components.