24x37x7mm Ceramic Ball Bearing MRA2437 Ceramic Bearing MR2437 Ceramic Bearing
24x37x7mm Ceramic Ball Bearing Size MR24377 Bicycle Bearing24mm inner diameter x 37mm outer diameter x 7mm widthGrade 5 Silicon Nitride Ceramic Balls, Super High Performance smooth nylon inner cage, dual removable no contact rubber seals, 100% synthetic American ACERGoo lubricationPrice is for 1 bearing