6905-2RS Ball Bearing Hybrid Ceramic 25x42x9mm Sealed Si3N4 Bearing

6905-2RS Hybrid Ceramic Ball Bearing
✔️ Chrome Steel with Si3N4 Ceramic Balls

This 6905-2RS hybrid ceramic bearing combines a chrome steel outer with tough Si3N4 ceramic balls, giving you smooth motion with less heat build-up. It’s a solid pick for electric motors and other industrial setups where reliability counts. Comes pre-lubed and sealed tight to keep out dust and grime. Pack size: 1 bearing.

✅ Type: Deep groove radial ball bearing
✅ Quality: Electric motor grade
✅ Material: Chrome steel races with nylon cage
✅ Balls: Si3N4 silicon nitride ceramic
✅ Seals: Double rubber seals (RS/RS1/2RS1)
✅ Lubrication: Pre-lubricated with grease
✅ Clearance: C3 for smooth operation
✅ Dimensions: 25mm (ID) x 42mm (OD) x 9mm (Width)

☑️ Equivalents: 61905-2RS1, 61905RS1

💡 Why choose hybrid ceramic ball bearings for electric motors?
Hybrid ceramic bearings are designed to handle speed and reduce energy loss.

• Ceramic balls cut down on friction and heat in high-rpm applications

• Longer grease life keeps motors running steady with less maintenance

• Excellent resistance to wear extends bearing service life

If you’re after a tough, smooth-running bearing that keeps your machines happy, grab this hybrid ceramic today and keep your setup rolling strong.