Miniature Deep Groove Ball Bearings Metal Seal(2ZZ) 6900ZZ-6909ZZ Bearing Steel
6909ZZ 45mm 68mm 12mm 139g/1pcs. 6900ZZ 10mm 22mm 6mm 7.8g/1pcs. -Deep groove ball miniature bearings。. -Deep groove ball bearings, bearing steel material, internal and external circle chamfer, smooth operation, widely used。.