XIKE 6203ZZ Ball Bearings 17x40x12mm, Chrome Steel｜Pre Lubricated｜Double Metal Seal｜6203 2Z Deep Groove Bearing with Sealed, Pack of 4.

6203ZZ 17 mm inside diameter, 40 mm outside diameter, 12 mm width Constructed of rugged chrome steel and rubber seals Double seal protects the interior for longer life Free replacement or full refund within 6 months XIKE bearings are your simple and efficient choice