BK 2538Extra Long Closed End Drawn Cup Needle Roller Bearing for Very Heavy Radial Loads The BK 2538 YFB needle roller bearing is an extra long closed end drawn cup design for very heavy radial loads and exceptional shaft guidance in compact housings. With a large bore and extended length, it is ideal for demanding automation, textile, and machinery applications across Pakistan where a powerful drive must still fit into a limited housing envelope. As the