SMR3719-2RS Ceramic Bearing 19x37x9mm Si3N4 PTFE Sealed ABEC-5 Bearing

SMR3719-2RS Ceramic Stainless Bearing
✔️ 19mm x 37mm x 9mm - ABEC-5, PTFE Sealed Hybrid

This SMR3719-2RS hybrid ceramic ball bearing combines stainless steel races with silicon nitride (Si3N4) balls, built for high-speed, low-friction use. With PTFE seals and ABEC-5 precision, it’s a top pick for 3D printers, performance tools, and electric motors that demand smooth, quiet rotation.

✅ Pack size: One bearing
✅ Type: Deep groove radial hybrid ceramic bearing
✅ Dimensions: 19mm x 37mm x 9mm
✅ Inner diameter: 19mm
✅ Outer diameter: 37mm
✅ Width: 9mm
✅ Balls: Silicon nitride ceramic (Si3N4)
✅ Races: Stainless steel
✅ Seals: PTFE on both sides
✅ Lubrication: Self-lubricated with SRL grease
✅ Precision rating: ABEC-5