{"product_id":"bs137-ptfe","title":"BS137 2.62mm Section 52.07mm Bore PTFE 55 Polymer Back-Up Ring","description":"\u003cstrong\u003eBack-up Rings:\u003c\/strong\u003e Back-up rings, or anti-extrusion rings, are thin rings that are designed to prevent O-ring extrusion under pressure. They fit in the gland between the seal and the clearance gaps to provide zero clearance.","brand":"Simply PTFE Back-Up Rings","offers":[{"title":"Default Title","offer_id":54116900962645,"sku":"BS137.PTFE","price":1.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0979\/1491\/3109\/files\/ptfeorings_c1d76331-0303-4c25-bac3-457590f08e0e.jpg?v=1782111701","url":"https:\/\/simplybearings.com\/products\/bs137-ptfe","provider":"Simply Bearings Ltd - Ball Bearings, Oil Seals, O-rings, V-Belts, SKF","version":"1.0","type":"link"}