{"product_id":"684-2rs-bearing-4x9x4-sealed-minia","title":"684-2RS Ball Bearing - Sealed - Miniature - 4x9x4mm","description":"\u003cp\u003e\u003cstrong\u003e684-2RS Sealed Ball Bearing\u003c\/strong\u003e\u003cbr\u003e✔️ 4x9x4mm Chrome Steel - Single Bearing\u003c\/p\u003e\n\u003cp\u003eThe 684-2RS is a compact deep groove ball bearing made of chrome steel, ideal for small motors, tools, and tight-space mechanical assemblies. Double rubber seals keep out contaminants and lock in lubrication for smooth, maintenance-free operation.\u003c\/p\u003e\n\u003cp\u003e✅ Quantity: 1 Bearing\u003cbr\u003e✅ Size: 4mm inner x 9mm outer x 4mm width\u003cbr\u003e✅ Material: Chrome steel\u003cbr\u003e✅ Type: Deep groove ball bearing\u003cbr\u003e✅ Closures: Double rubber seals (2RS)\u003cbr\u003e✅ Lubrication: Pre-lubricated with grease\u003cbr\u003e✅ Dynamic Load Rating: 640 N\u003cbr\u003e✅ Static Load Rating: 230 N\u003cbr\u003e✅ Max Speed (Grease): 59,000 RPM\u003cbr\u003e✅ Quality: Electric motor grade\u003c\/p\u003e\n\u003cp\u003e💡 \u003cem\u003eWhat are the advantages of rubber sealed bearings?\u003c\/em\u003e\u003cbr\u003eRubber seals help protect against dirt, dust, and moisture, while keeping grease inside - ideal for extending bearing life in small, high-speed applications.\u003c\/p\u003e\n\u003cp\u003eA smart choice when compact, quiet, and sealed performance matters.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310683168961,"sku":"Kit7469","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/684-2rs-bearing-4x9x4-sealed-miniature-vxb-ball-bearings_ff8b8bc9-735b-44c8-902d-945c70a56594.jpg?v=1748646870","url":"https:\/\/smallbearings.com\/zh\/products\/684-2rs-bearing-4x9x4-sealed-minia","provider":"Small Bearings","version":"1.0","type":"link"}