6203-2RS Full Ceramic Bearing 17x40x12mm ZrO2 Sealed Outer Diameter - 37mm this is a go-to bearing

this is a go-to bearing size that fits lots of RC cars and trucks like Traxxas and Tamiya

Oil Lubrication: 1

S685ZZ Stainless Steel Premium ABEC-5 Ball Bearing

GE25ES-2RS Double Sealed Spherical Plain Bearing

6203-2RS Full Ceramic Bearing 17x40x12mm ZrO2 Sealed Outer Diameter - 37mm this is a go-to bearing6203 2RS Full Ceramic Ball Bearing 17x40x12mm Zirconia, PTFE Sealed The 6203 2RS full ceramic ball bearing is engineered for environments where corrosion resistance, non magnetic properties, and low friction are essential. With a size of 17mm inner diameter, 40mm outer diameter, and 12mm width, this bearing is ideal for use in chemical equipment, food grade machinery, clean rooms, and marine applications. Made entirely of Zirconia (ZrO) ceramic,