{"product_id":"638-2rs-sealed-miniature-ball-bear","title":"638-2RS Sealed Miniature Ball Bearing 8x28x9mm","description":"\u003cp\u003e638-2RS Sealed Ball Bearing\u003cbr\u003e✔️ 8mm ID - 28mm OD - 9mm Width\u003c\/p\u003e\n\u003cp\u003eThis 638-2RS deep groove ball bearing is a standard-size, high-speed option with dual rubber seals and durable chrome steel construction. Perfect for various equipment in automation, electric motors, and small machinery setups.\u003c\/p\u003e\n\u003cp\u003e✅ Pack size: 1 bearing\u003cbr\u003e✅ Size: 8mm x 28mm x 9mm\u003cbr\u003e✅ Type: Deep groove ball bearing\u003cbr\u003e✅ Material: Chrome steel (52100 alloy)\u003cbr\u003e✅ Closures: Rubber seals on both sides (2RS)\u003cbr\u003e✅ Lubrication: Grease-filled, maintenance-free\u003cbr\u003e✅ Dynamic load rating: 600 N\u003cbr\u003e✅ Static load rating: 265 N\u003cbr\u003e✅ Max speed (grease): 24,000 RPM\u003c\/p\u003e\n\u003cp\u003e💡 What makes 2RS sealed ball bearings reliable for everyday machines?\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eDual seals lock out dirt, debris, and moisture for extended lifespan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePre-greased design simplifies installation and reduces downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChrome steel body provides excellent strength and heat resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA smooth-running, low-maintenance bearing built for reliable daily performance.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310525718721,"sku":"638-2RS","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/638-2rs-sealed-miniature-ball-bearing-8x28x9-vxb-ball-bearings-1_47efcdb7-15ab-4a50-a901-f5837dd48e11.jpg?v=1748646845","url":"https:\/\/smallbearings.com\/zh\/products\/638-2rs-sealed-miniature-ball-bear","provider":"Small Bearings","version":"1.0","type":"link"}