61901-2RS Hybrid Ceramic Bearing 12x24x6mm Si3N4 Sealed ABEC-5 9mm bore ✅ Inner Diameter (ID): 1

✅ Inner Diameter (ID): 1 1/4"

✅ Outer diameter: 5/8 inch

Equal: 6211 RS / 6211 2RS

making them ideal for electric motors

UCP-210 is Set Screw Type High-Center Height

61901-2RS Hybrid Ceramic Bearing 12x24x6mm Si3N4 Sealed ABEC-5 9mm bore ✅ Inner Diameter (ID): 1S61901 2RS Sealed Ball Bearing ABEC 5 Quality with Si3N4 Ceramic Balls (Silicon Nitride) 12mm x 24mm x 6mm S61901 2RS Sealed Ball Bearing is double sealed, radial and deep groove ball bearing,bearing is made from stainless steel with Ceramic Balls (Si3N4) and Stainless steel cage,S61901 2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination,bearing is sealed and self lubricated,the quality is set to EMQ