{"product_id":"smr681-stainless-steel-ball-bearin","title":"SMR681 Stainless Steel Mini Ball Bearing ID 1mm OD 3mm Width 1mm","description":"\u003cp\u003eSMR681 Stainless Steel Ball Bearing\u003cbr\u003e✔️ 1x3x1mm - Miniature Open Type - C3 Clearance\u003c\/p\u003e\n\u003cp\u003eThe SMR681 is a miniature deep groove ball bearing with a 1mm bore and open design, made entirely from stainless steel. Its ultra-small size and high-speed capability make it perfect for spinning rings, precision jewelry, and other micro-mechanical applications.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 1mm ID x 3mm OD x 1mm Width\u003cbr\u003e✅ Type: Single Row Deep Groove Ball Bearing 1x3x1mm\u003cbr\u003e✅ Material: Stainless Steel\u003cbr\u003e✅ Cage: Stainless Steel\u003cbr\u003e✅ Clearance: C3 (for high-speed use)\u003cbr\u003e✅ Design: Open (no seals or shields)\u003cbr\u003e✅ Dynamic Load Rating: 0.1 kN\u003cbr\u003e✅ Static Load Rating: 0.03 kN\u003cbr\u003e✅ Max Speed: 150,000 RPM\u003cbr\u003e✅ Quantity: 1 Bearing\u003cbr\u003e✅ Brand: VXB Bearing \u003cbr\u003e✅ SKU: SMR681\u003c\/p\u003e\n\u003cp\u003e💡 Why are miniature bearings like SMR681 used in spinning jewelry?\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eTheir ultra-small form factor enables smooth, balanced motion in tight spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel offers corrosion resistance and longevity in wearables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe high RPM rating ensures fluid spinning for rings, toys, or tiny gadgets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA precise, compact bearing perfect for elegant, high-performance designs in motion.\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310461722817,"sku":"SMR681","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/smr681-stainless-steel-ball-bearing-bore-dia-1mm-outside-3mm-width-1mm-vxb-ball-bearings_7ec8b07e-7020-4e30-84cf-53c012ba3a52.jpg?v=1748646831","url":"https:\/\/smallbearings.com\/zh\/products\/smr681-stainless-steel-ball-bearin","provider":"Small Bearings","version":"1.0","type":"link"}