6308C3 - NTN 6308ZZ - NTN 190 x 290 x 46 mm. NTN Deep groove ball bearing, radial contact, pressed steel cage, open The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etcอ่านเพิ่มเติม