61903ZZ Cuscinetto 17x30x7mm Shielded foro di17mm

6903ZZ Shielded Ball Bearing
✔️ 17mm ID - 30mm OD - 7mm Wide

The 6903ZZ is a chrome steel deep groove ball bearing built for strength and reliability in compact spaces. With double metal shields on both sides and pre-packed grease, it’s designed to handle dust while delivering smooth, low-maintenance rotation. Great for motors, tools, and mechanical systems.

✅ Type: Deep groove ball bearing
✅ Inside diameter: 17mm
✅ Outside diameter: 30mm
✅ Width: 7mm
✅ Material: Chrome steel
✅ Shields: Double metal (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing
✅ Size: 17 x 30 x 7 mm
✅ Alternate references: 61903-2Z1, 61903Z1, 6903-2Z, 69003-ZZ

💡 Why go with metal-shielded bearings in mechanical systems?

Metal shields block out dust while allowing high-speed performance.
They help retain grease without making contact - reducing friction.
Great for electric motors, fans, gearboxes, and precision assemblies.

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