{"product_id":"genuine-bobbin-case-502530nbl-bc457nbl-for-singer-457g-457u-sewing-machine","title":"Bobbin Case 502530NBL=BC457NBL for Singer 457G, 457U Sewing Machine","description":"\u003cp\u003eBobbin Case (Part #502530NBL \/ BC457NBL) for Singer 457 Series\u003cbr\u003e\nMaintain consistent thread tension and professional stitch quality with this Industrial Bobbin Case. Specifically engineered for the Singer 457 series, the 502530NBL (also known as BC457NBL) is a precision-manufactured component designed to handle the high-speed demands of industrial sewing.\u003c\/p\u003e\n\n\u003cp\u003eKey Product Highlights\u003cbr\u003e\nNBL (No-Back-Lash) Technology: Features a built-in anti-backlash spring that prevents the bobbin from spinning over when the machine stops suddenly. This eliminates thread tangles and \"bird-nesting.\"\u003c\/p\u003e\n\n\u003cp\u003ePrecision Tension Control: The high-quality tension spring allows for micro-adjustments, ensuring perfectly balanced stitches on everything from lightweight synthetics to medium-heavy fabrics.\u003c\/p\u003e\n\n\u003cp\u003eDual Part Number Compatibility: Fully interchangeable with part numbers 502530NBL and BC457NBL for a guaranteed factory fit.\u003c\/p\u003e\n\n\u003cp\u003eHardened Steel Build: Forged from wear-resistant industrial steel to withstand the constant friction and high RPMs of the Singer 457G and 457U.\u003c\/p\u003e","brand":"Towa","offers":[{"title":"Default Title","offer_id":48307123683577,"sku":"502530NBL","price":40.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/Singer_Genuine_Parts.jpg?v=1776585822","url":"https:\/\/empenzoamericas.com\/products\/genuine-bobbin-case-502530nbl-bc457nbl-for-singer-457g-457u-sewing-machine","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}