NATB5903 Needle Roller Bearing - 3-Point Contact Ball Bearing 17X30X20mmNATB5903 Needle Roller Bearing with 3 Point Contact Ball Bearing 17mm X 30mm X 20mm VXB Bearing NATB5903 is a combined Needle Roller Bearing with 3 Point Contact Ball Bearing 17X30X20mm combined bearing type, needle roller bearing with angular contact thrust bearing, the NATB5903 inner diameter is 17mm, the outer diameter is 30mm, width of the cone (inner ring) is 20mm. Needle roller bearing combined with angular contact thrust bearing Dimensions