48 Bearing 624ZZ & 5 (2+3) 608ZZ48 Bearings 624ZZ and 2 Bearing 608ZZ Thanks to J Dubs and his interest at reprap. org, we thank him for his participation suggesting VXB to make this kit, this kit has 48 Bearings 624ZZ and 2 Bearing 608ZZ. You will get total of 50 bearings as follows: * 48 Bearings 624ZZ (4mm x 13mm x 5mm) * 2 Bearings 608ZZ (8mm x 22mm x 7mm) * 3 Bearings 608ZZ Just in case you are building Wade's Geared Nema 17 Extruder, that is what J Dubs said Again thank you J