{"product_id":"20-pack-683zz-double-shielded-sealed-ball-bearings","title":"20-Pack 683ZZ Double-Shielded Sealed Ball Bearings 3mm x 8mm x 4mm, Deep Groove Miniatures for Motors, Roller Wheels, Office Equipment, Linear Slide Unit Repairs and Kits","description":"20-Pack 683ZZ Double-Shielded 3mm x 8mm x 4mm Bearings\u003cbr\u003e\n✔️ Inner 3mm bore, 8mm OD, 4mm width; high-carbon steel ABEC1\n\n\u003cp\u003ePack of 20 small double-shielded deep groove ball bearings ideal for motors, roller wheels, office equipment, and linear slide units. Confirm sizes before ordering.\u003c\/p\u003e\n\n✅ Type: Deep groove double-shielded (ZZ) sealed ball bearing\u003cbr\u003e\n✅ Size: Inner diameter 3mm x Outer diameter 8mm x Width 4mm\u003cbr\u003e\n✅ Pack: 20 bearings per set for small motors, rollers, and kits\u003cbr\u003e\n✅ Material \u0026amp; precision: Bearing steel, ABEC-1 tolerance for stable runs\u003cbr\u003e\n✅ Use: High-speed operation, low friction, suitable for linear slide unit maintenance\u003cbr\u003e\n\n\u003cp\u003e💡 What is a sealed ball bearing used for in motors and linear slide units?\nSealed or double-shielded bearings keep dirt out and retain lubrication for longer service life.\nShort answer: They provide protected low-friction rotation in tight assemblies.\n- Low-friction radial support and limited axial load handling in motors and gearboxes.\n- Keeps lubrication sealed for longer life in roller wheels, office equipment, and linear slide units.\n- Ideal for small-diameter high-speed applications and common 683ZZ or 3x8x4mm replacements.\u003c\/p\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":47970113487083,"sku":"VXB0CX8SG4YL","price":49.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/683zz-double-shielded-bearings-3x8x4-front.jpg?v=1773740461","url":"https:\/\/vxb.com\/products\/20-pack-683zz-double-shielded-sealed-ball-bearings","provider":"VXB Bearings","version":"1.0","type":"link"}