MR84ZZ Shielded Miniature Ball Bearing 4x8x3mm 4mm ID

MR84ZZ Shielded Miniature Ball Bearing
✔️ Chrome Steel - 4x8x3mm with Dual Shields

The MR84ZZ is a compact deep groove ball bearing built from durable chrome steel, offering long service life and smooth performance. It comes with double metal shields (ZZ) that help protect against dust and keep the grease sealed in, making it ideal for high-speed, space-limited applications.

✅ Type: Deep groove ball bearing
✅ Model: MR84ZZ
✅ Material: Chrome steel (52100 alloy steel)
✅ Closure: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Inner diameter: 4mm
✅ Outer diameter: 8mm
✅ Width: 3mm
✅ Size: 4 × 8 × 3 mm
✅ Dynamic load rating (Cr): 400 N
✅ Static load rating (Cor): 140 N
✅ Limiting speed (grease): 61,000 RPM
✅ Quantity: 1 bearing

💡 Why use shielded miniature ball bearings?
They’re a practical solution for high-speed and compact systems.

• Shields keep contaminants out and reduce maintenance

• Pre-greased for immediate use in small devices

• Handy for drones, robotics, medical equipment, and hobby applications

If you’re after a reliable miniature bearing for fast and precise movement, the MR84ZZ shielded option is a tough and dependable choice.