{"product_id":"634zz-4x16-shielded-4x16x5-miniature-bearing-pack","title":"10-Pack 634ZZ Ball Bearing 4x16x5mm - Shielded - Miniature","description":"\u003cp\u003e634ZZ Shielded Ball Bearings\u003cbr\u003e✔️ 4x16x5mm Chrome Steel - Pack of 10\u003c\/p\u003e\n\u003cp\u003eThis 10-pack of 634ZZ miniature ball bearings is made from high-strength chrome steel for long-lasting durability and high-speed performance. Each bearing features double metal shields to keep out dust and debris, and comes pre-lubricated with grease for smooth, maintenance-free rotation - ideal for hobby gearboxes, RC cars, and small mechanical systems.\u003c\/p\u003e\n\u003cp\u003e✅ Quantity: 10 Bearings\u003cbr\u003e✅ Size: 4mm inner x 16mm outer x 5mm width\u003cbr\u003e✅ Material: Chrome steel\u003cbr\u003e✅ Type: Deep groove ball bearings\u003cbr\u003e✅ Shielded Type: Double metal shields (ZZ)\u003cbr\u003e✅ Lubrication: Pre-lubricated with grease\u003cbr\u003e✅ Dynamic Load Rating (Cr): 1,750 N\u003cbr\u003e✅ Static Load Rating (Cor): 670 N\u003cbr\u003e✅ Max Speed (Grease): 40,000 RPM\u003c\/p\u003e\n\u003cp\u003e✅ Common Equivalents:\u003cbr\u003eKOYO 634ZZ - NSK 634ZZ - NMB R-1640ZZ\u003c\/p\u003e\n\u003cp\u003e💡 Where are miniature ball bearings like 634ZZ commonly used?\u003cbr\u003eMiniature bearings are perfect for compact, high-speed devices such as RC vehicles, 3D printers, precision tools, and small gear assemblies - where smooth, low-friction motion is critical.\u003c\/p\u003e\n\u003cp\u003eEngineered for fast, reliable motion in tight spaces - great for both performance and replacement use.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43546684162283,"sku":"kit842","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1_b5e25ff4-6a79-4912-aca5-1e42bd4901b3.jpg?v=1773417634","url":"https:\/\/vxb.com\/products\/634zz-4x16-shielded-4x16x5-miniature-bearing-pack","provider":"VXB Bearings","version":"1.0","type":"link"}