{"product_id":"brother-db2-b737-bobbin-case-sc31-52237","title":"Premium Replacement Bobbin Case SC31 52237 for Brother DB2-B737 Sewing Machine","description":"\u003cp data-start=\"240\" data-end=\"563\"\u003eThe \u003cstrong data-start=\"244\" data-end=\"298\"\u003ePremium Replacement Bobbin Case SC31 (Part #52237)\u003c\/strong\u003e is a high-quality component designed for \u003cstrong data-start=\"340\" data-end=\"387\"\u003eBrother DB2-B737 industrial sewing machines\u003c\/strong\u003e. This bobbin case is engineered to provide stable thread tension and reliable performance for high-speed lockstitch sewing applications commonly used in garment manufacturing.\u003c\/p\u003e\n\u003cp data-start=\"565\" data-end=\"847\"\u003eAs an essential component of the sewing hook system, the bobbin case controls the \u003cstrong data-start=\"647\" data-end=\"671\"\u003elower thread tension\u003c\/strong\u003e, ensuring smooth thread delivery and consistent stitch formation. If stitches begin looping, skipping, or bunching, replacing a worn bobbin case is often the fastest solution.\u003c\/p\u003e\n\u003cp data-start=\"849\" data-end=\"1033\"\u003eThis premium replacement bobbin case is manufactured with \u003cstrong data-start=\"907\" data-end=\"935\"\u003eprecision-machined steel\u003c\/strong\u003e, providing durability and reliable performance even under demanding industrial sewing conditions.\u003c\/p\u003e\n\u003chr data-start=\"1035\" data-end=\"1038\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1040\" data-end=\"1057\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1059\" data-end=\"1185\"\u003e\u003cstrong data-start=\"1059\" data-end=\"1086\"\u003eUniversal Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1086\" data-end=\"1089\"\u003eDesigned as a direct replacement for \u003cstrong data-start=\"1126\" data-end=\"1153\"\u003eBrother DB2-B737 series\u003c\/strong\u003e industrial lockstitch machines.\u003c\/p\u003e\n\u003cp data-start=\"1187\" data-end=\"1331\"\u003e\u003cstrong data-start=\"1187\" data-end=\"1219\"\u003ePrecision Tension Adjustment\u003c\/strong\u003e\u003cbr data-start=\"1219\" data-end=\"1222\"\u003eEquipped with a \u003cstrong data-start=\"1238\" data-end=\"1282\"\u003eleaf spring and adjustable tension screw\u003c\/strong\u003e allowing accurate bottom thread tension control.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1456\"\u003e\u003cstrong data-start=\"1333\" data-end=\"1363\"\u003eDurable Steel Construction\u003c\/strong\u003e\u003cbr data-start=\"1363\" data-end=\"1366\"\u003eManufactured from \u003cstrong data-start=\"1384\" data-end=\"1402\"\u003ehardened steel\u003c\/strong\u003e to withstand high-speed industrial sewing operations.\u003c\/p\u003e\n\u003cp data-start=\"1458\" data-end=\"1578\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1480\"\u003eSmooth Thread Flow\u003c\/strong\u003e\u003cbr data-start=\"1480\" data-end=\"1483\"\u003ePolished surfaces reduce friction and prevent thread snagging for consistent stitching quality.\u003c\/p\u003e\n\u003chr data-start=\"1580\" data-end=\"1583\"\u003e\n\u003ch2 data-section-id=\"1wc2bmo\" data-start=\"1585\" data-end=\"1612\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"1614\" data-end=\"1858\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1614\" data-end=\"1635\"\u003e\n\u003ctr data-start=\"1614\" data-end=\"1635\"\u003e\n\u003cth data-start=\"1614\" data-end=\"1624\" data-col-size=\"sm\" class=\"\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"1624\" data-end=\"1635\" data-col-size=\"sm\" class=\"\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1646\" data-end=\"1858\"\u003e\n\u003ctr data-start=\"1646\" data-end=\"1662\"\u003e\n\u003ctd data-start=\"1646\" data-end=\"1654\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1654\" data-end=\"1662\"\u003eSC31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1663\" data-end=\"1686\"\u003e\n\u003ctd data-start=\"1663\" data-end=\"1677\" data-col-size=\"sm\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1677\" data-end=\"1686\"\u003e52237\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1687\" data-end=\"1736\"\u003e\n\u003ctd data-start=\"1687\" data-end=\"1709\" data-col-size=\"sm\"\u003eCompatible Machines\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1709\" data-end=\"1736\"\u003eBrother DB2-B737 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1737\" data-end=\"1766\"\u003e\n\u003ctd data-start=\"1737\" data-end=\"1748\" data-col-size=\"sm\"\u003eMaterial\u003c\/td\u003e\n\u003ctd data-start=\"1748\" data-end=\"1766\" data-col-size=\"sm\"\u003eHardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1767\" data-end=\"1806\"\u003e\n\u003ctd data-start=\"1767\" data-end=\"1776\" data-col-size=\"sm\"\u003eFinish\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1776\" data-end=\"1806\"\u003eHigh-Polish Chrome \/ Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1807\" data-end=\"1858\"\u003e\n\u003ctd data-start=\"1807\" data-end=\"1821\" data-col-size=\"sm\"\u003eApplication\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1821\" data-end=\"1858\"\u003eSingle-Needle Lockstitch Machines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1860\" data-end=\"1863\"\u003e\n\u003ch2 data-section-id=\"109rvo5\" data-start=\"1865\" data-end=\"1885\"\u003eMaintenance Tip\u003c\/h2\u003e\n\u003cp data-start=\"1886\" data-end=\"2122\"\u003eLint and oil residue may accumulate inside the bobbin case over time and affect thread tension. Replacing a worn or clogged bobbin case is often the quickest way to restore \u003cstrong data-start=\"2059\" data-end=\"2089\"\u003eclean, consistent stitches\u003c\/strong\u003e in industrial sewing operations.\u003c\/p\u003e","brand":"Universal\/Generic","offers":[{"title":"Default Title","offer_id":47405288882425,"sku":"52237","price":2.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/6733\/3113\/files\/52237_SC31BOBBINCASEKOBANJAPAN.png?v=1774614482","url":"https:\/\/empenzoamericas.com\/products\/brother-db2-b737-bobbin-case-sc31-52237","provider":"Empenzo Americas Corp.","version":"1.0","type":"link"}