10-Pack 4x10mm Miniature Bearing 4x10x4mm Double Shielded

4x10x4 Ball Bearings - Pack of 10
✔️ Double Shielded Chrome Steel

This set includes 10 deep groove ball bearings in the 4x10x4 mm size, a popular fit for RC cars, trucks, and small devices. Each bearing is built from durable chrome steel, features double metal shields for dust protection, and comes pre-lubricated with grease for smooth, ready-to-use performance.

✅ Type: Deep groove ball bearings
✅ Size: 4 x 10 x 4 mm
✅ Bore (inner diameter): 4 mm
✅ Outer diameter: 10 mm
✅ Width: 4 mm
✅ Material: Chrome steel
✅ Shields: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic load rating (Cr): 650 N
✅ Static load rating (Cor): 230 N
✅ Limiting speed (grease): 56,000 RPM
✅ Quantity: 10 bearings (packed in tube)
✅ Equivalents: KOYO WML4010ZZ, NSK MR104ZZ, NMB L-1040ZZ

💡 Why use 4x10x4 mm bearings in RC and small devices?
These bearings are designed for speed and reliability in tight builds.

• Double shields keep out dust while holding grease in

• High RPM rating ensures smooth rotation in motors and wheels

• Strong chrome steel construction adds long service life

A handy 10-pack ready for upgrades or replacements, order today and keep your RC and precision projects running smooth.