Enduro ABEC-3 Cartridge Bearing. Sold Individually. Features: Single row, radial cartridge bearing with metal cage separated Grade 10 ball design Including rubber dual lip labyrinth seals 90% filled with the highest quality grease 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer Specifications: Bearing: MR22379 ID X OD X W: 22 x 37 x 9 Intended Use: Spanish Bottom Bracket Bearing