10-Pack 4x7x2.5mm Ball Bearings - Metal Shielded - 4mm Bore

674ZZ Shielded Mini Ball Bearings - 10 Pack
✔️ 4mm x 7mm x 2.5mm - Double Shielded - Pre-Lubricated

This 10-pack of 674ZZ deep groove ball bearings is made from high-strength chrome steel and features double metal shields for protection against dust and debris. With a compact size and high-speed capability, these bearings are ideal for RC cars, precision tools, and hobby-grade applications.

✅ Size: 4mm inner x 7mm outer x 2.5mm width
✅ Type: Deep groove ball bearing
✅ Shields: Double metal shields (ZZ)
✅ Material: Chrome steel
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic load rating: 260 N
✅ Static load rating: 110 N
✅ Max speed (grease): 64,000 RPM
✅ Quantity: 10 bearings per pack
✅ Equivalent to: 674-2Z, 674-ZZ, KOYO WML4007ZZ, NMB L-740X2ZZ, NSK MR74ZZS
✅ Fits: Kyosho, Corally SP2 (1:12), Corally C4 Touring Car

💡 Why are shielded bearings great for RC and mini equipment?
Shielded bearings keep out fine dust and debris while reducing friction - perfect for high-RPM use in RC models, spinners, and miniature mechanical assemblies.

Small but powerful - engineered for precision, speed, and long-lasting smooth operation.