BK 2520Long Closed End Drawn Cup Needle Roller Bearing for Heavy Duty Shafts The BK 2520 YFB needle roller bearing is a long closed end drawn cup unit designed for heavy radial loads and extended guidance of larger shafts in compact housings. It serves automation, textile, and machinery applications across Pakistan where a large shaft must be enclosed and supported over a long bearing length. As the exclusive owner and distributor of YFB brand in Pakistan,