This needle roller bearing supports radial loads in a compact drawn cup design with a closed end, manufactured to DIN 618/ISO 3245. Outside diameter is 24.0 mm and net mass is 14.93 g. The limiting speed reaches 14000 1/min, while the reference speed is 10700 1/min, indicating the thermally safe continuous operating range under normal load conditions. The closed end eliminates the need for a separate shaft-end seal on that side, simplifying axial positioning and preventing contaminant ingress from that direction. As a drawn cup design, BK1812-A is thin-walled and requires a hardened, ground shaft to serve as the inner running surface, with full complement needle rollers providing high radial load capacity within a limited radial envelope.