READY TO SHIP Hub Bearings HSC - HSC CERAMIC bearing 18307-2RS 18x30x7mm 13g HSCBEA0003000 €36.00 DIMENSIONS 18 x 30 x 7 mm BALL MATERIAL Si3N4 BALL GRADE 3 US Made Silicon Nitride ceramic RACES Cryogenically Treated Chromium Steel SEALS 2RS with low friction PRECISION ABEC 5 RETAINERS Polyamide nylon APPLICATION Wheel Hub WEIGHT 13g Add to cart