{"product_id":"8x40x11mm-pu-covered-roller-wheel","title":"8x40x11mm PU Covered roller Wheel Bearing Sealed - Tire","description":"\u003cp\u003ePU 8x40x11 Sealed Wheel Bearing – Polyurethane Covered\u003cbr\u003e✔️  8mm x 40mm x 11mm – Impact-Resistant Tire Over Steel Core\u003c\/p\u003e\n\u003cp\u003eThis 8x40x11mm wheel bearing features a polyurethane outer tire molded over a GCr15 steel deep groove ball bearing. Designed for smooth rolling, abrasion resistance, and high impact durability, it’s ideal for guiding systems, sliding tracks, and light load transport wheels.\u003c\/p\u003e\n\u003cp\u003e✅ Size: 8mm ID x 40mm OD x 11mm width\u003cbr\u003e✅ Type: Deep groove ball bearing with PU tire\u003cbr\u003e✅ Core material: GCr15 bearing steel\u003cbr\u003e✅ Tire material: Polyurethane (PU)\u003cbr\u003e✅ Seals: Rubber seals on both sides\u003cbr\u003e✅ Lubrication: Factory pre-lubricated\u003cbr\u003e✅ Application: Roller guides, carts, linear tracks, sliding systems\u003cbr\u003e✅ Quantity: 1 bearing\u003c\/p\u003e\n\u003cp\u003e💡 What makes polyurethane ideal for roller bearing applications?\u003cbr\u003ePolyurethane combines flexibility with mechanical strength, providing high wear resistance, better load distribution, and shock absorption - making it ideal for dynamic systems subject to vibration, debris, or rolling impact.\u003c\/p\u003e\n\u003cp\u003eTough on the outside, smooth on the inside - engineered for durability and quiet rolling action.\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49312893501633,"sku":"8X40X11-PU-TIRE","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/1_90421209-3daa-4139-885b-0e51630208fb.jpg?v=1748647254","url":"https:\/\/smallbearings.com\/zh\/products\/8x40x11mm-pu-covered-roller-wheel","provider":"Small Bearings","version":"1.0","type":"link"}