{"product_id":"2x5-shielded-2x5x2-5-miniature-bea-4210","title":"10-Pack 2x5mm Bearing 2x5x2.5mm - Miniature - Double Shielded","description":"\u003cp\u003eMR52ZZ Miniature Shielded Ball Bearings – Chrome Steel\u003cbr\u003e✔️  2mm x 5mm x 2.5mm – Double Metal Shields, 10-Pack\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 2mm ID x 5mm OD x 2.5mm width\u003cbr\u003e✅ Type: Deep groove ball bearing – miniature\u003cbr\u003e✅ Shields: Double metal shields (ZZ)\u003cbr\u003e✅ Material: Chrome steel\u003cbr\u003e✅ Lubrication: Pre-lubricated with grease\u003cbr\u003e✅ Dynamic load rating Cr: 170 N\u003cbr\u003e✅ Static load rating Cor: 50 N\u003cbr\u003e✅ Max speed (grease): 99,000 RPM\u003cbr\u003e✅ Quantity: 10 bearings per pack\u003cbr\u003e✅ Equivalents: MR52-ZZ, MR52-2Z, KOYO WML2005ZZ, NSK MR52ZZ, NMB L-520ZZW52\u003c\/p\u003e\n\u003cp\u003e💡 Why are miniature bearings like MR52ZZ critical in high-speed precision assemblies?\u003cbr\u003eMiniature 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.\u003c\/p\u003e\n\u003cp\u003eCompact, fast, and friction-free - ideal for high-speed micro-mechanics and miniature assemblies.\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49309978853569,"sku":"MR52ZZ","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/2x5-shielded-2x5x2-5-miniature-bearing-pack-of-10-vxb-ball-bearings_95586eee-8f0d-4a34-a666-f9ca13be84c2.jpg?v=1748646730","url":"https:\/\/smallbearings.com\/zh\/products\/2x5-shielded-2x5x2-5-miniature-bea-4210","provider":"Small Bearings","version":"1.0","type":"link"}