Premium 61903RS1 Sealed Bearing 17x30x7mm

61903RS1 Sealed Ball Bearing
✔️ 17mm ID - 30mm OD - 7mm Wide

This 61903RS1 deep groove ball bearing is built for high-speed, high-precision applications. It features double rubber seals for protection and comes pre-lubricated with grease. Made from tough chrome steel, it’s a solid choice for machinery, electric motors, and mechanical systems.

✅ Type: Deep groove ball bearing
✅ Inside diameter: 17mm
✅ Outside diameter: 30mm
✅ Width: 7mm
✅ Material: Chrome steel (52100 alloy)
✅ Cage: Chrome steel
✅ Seals: Double rubber seals
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing
✅ Markings: 61903RS1 / 6903RS
✅ Interchangeable with: 6903-2RS1, 6903-2RZ, 61903-2RS1

💡 What makes rubber-sealed deep groove bearings reliable for industrial use?

They seal out dirt and moisture, extending bearing life.
Grease stays inside, reducing the need for re-lubrication.
Perfect for electric motors, gearboxes, and general machinery.

Built for smooth running and long service - grab one for your next repair or upgrade!