10-Pack 2x5mm Bearing 2x5x2.5mm - Miniature - Double Shielded

MR52ZZ Miniature Shielded Ball Bearings – Chrome Steel
✔️  2mm x 5mm x 2.5mm – Double Metal Shields, 10-Pack

The MR52ZZ is a precision miniature ball bearing designed for tight-space, high-speed applications such as micro motors, robotics, and model systems. Made from chrome steel with double metal shields, it offers reliable protection against contaminants while maintaining low-friction performance.

✅ Size: 2mm ID x 5mm OD x 2.5mm width
✅ Type: Deep groove ball bearing – miniature
✅ Shields: Double metal shields (ZZ)
✅ Material: Chrome steel
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic load rating Cr: 170 N
✅ Static load rating Cor: 50 N
✅ Max speed (grease): 99,000 RPM
✅ Quantity: 10 bearings per pack
✅ Equivalents: MR52-ZZ, MR52-2Z, KOYO WML2005ZZ, NSK MR52ZZ, NMB L-520ZZW52

💡 Why are miniature bearings like MR52ZZ critical in high-speed precision assemblies?
Miniature bearings reduce rotational mass and space requirements while supporting high-speed rotation with tight tolerances - essential for precision motion in compact systems like drones, instrumentation, and medical devices.

Compact, fast, and friction-free - ideal for high-speed micro-mechanics and miniature assemblies.