{"product_id":"l-style-bobbin-case-for-industrial-machines-part-52237","title":"L Style Bobbin Case for Industrial Machines - Part # 52237","description":"\u003cp\u003eThis L style bobbin case (part # 52237), also known as a Class 95 or Class 96 bobbin case, is the standard bobbin case for most industrial straight-stitch sewing machines and commercial multi-needle embroidery machines. The bobbin case is a critical component that holds the bobbin and regulates thread tension for the lower thread, working in conjunction with the hook assembly to form stitches.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 52237\u003c\/li\u003e\n\u003cli\u003eType: Replacement (aftermarket)\u003c\/li\u003e\n\u003cli\u003eStyle: L Style (Class 95\/96)\u003c\/li\u003e\n\u003cli\u003eDiameter: Approximately 20.3mm (about the size of a U.S. nickel)\u003c\/li\u003e\n\u003cli\u003eHeight: 8.9mm\u003c\/li\u003e\n\u003cli\u003eApplication: Industrial straight-stitch machines and commercial multi-needle embroidery machines\u003c\/li\u003e\n\u003cli\u003eFunction: Holds bobbin and regulates lower thread tension\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Variations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (#52237):\u003c\/strong\u003e Basic all-steel bobbin case for most straight-stitch applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo-Back-Lash (#52237NBL):\u003c\/strong\u003e Features a small brake spring inside to prevent the bobbin from spinning too fast when the machine stops, avoiding thread tangling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic (#52237M):\u003c\/strong\u003e Uses a magnet to hold the bobbin in place for smoother thread delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMachine Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSinger Industrial:\u003c\/strong\u003e 95, 96, 188K, 191, 195, 241, 251 (except 251-21), 281 (except 281-21), 291, 331K, 366K, 400W, 491, 591, 600A, 600W, 660A, 660W, 1300\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eJuki:\u003c\/strong\u003e DDL-227, DDL-555, DDL-5530, DDL-5550, DDL-5550N, DDL-7000A, DDL-7000AS, DDL-8000A, DDL-8000AS, DDL-8000C, DDL-8100, DDL-8100H, DDL-8300, DDL-8500, DDL-8700, DDL-8700-7, DDL-8700H, DDL-8700L, DDL-9000, DDL-9000B, DDL-9000C, DDL-9000SS, Kenquilt 622\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrother:\u003c\/strong\u003e B714, B735, DB2-B791, PQ1500\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eConsew:\u003c\/strong\u003e 99, 103, 104, 105, 210, 220, 230, 231, CN2230R\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eJanome (NewHome):\u003c\/strong\u003e 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 761, 762, 763, 764\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTacsew:\u003c\/strong\u003e T405, T810, DDL-8500T\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhite:\u003c\/strong\u003e 666, 1164\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNolting:\u003c\/strong\u003e Quilters using L style bobbin\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Style Distinction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe L Style bobbin case should not be confused with similar styles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass 15 (A Style):\u003c\/strong\u003e Has the same diameter (20.3mm) but is much wider (11.7mm). A Class 15 bobbin is too thick to fit into an L style case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM Style:\u003c\/strong\u003e Significantly larger (about the size of a U.S. quarter), used primarily for long-arm quilting and heavy-duty machines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bobbin case is essential for proper stitch formation. It holds the bobbin securely in place, controls the tension of the lower thread through an adjustable tension spring, and works with the hook assembly to create balanced, even stitches. The L style is the industry standard for industrial straight-stitch machines, ensuring reliable performance and wide cross-brand compatibility. Because it is an L style, it is interchangeable with other L style cases used by brands like Juki, Brother, and Consew.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReplace a damaged, worn, or missing bobbin case to restore proper stitch quality. Ensure the bobbin case is properly inserted into the hook assembly and that the tension spring is correctly adjusted for your thread and fabric type.\u003c\/p\u003e","brand":"PD Sixty","offers":[{"title":"Default Title","offer_id":31925820424,"sku":"52237","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/52237_1.jpg?v=1759439141","url":"https:\/\/www.vintagesingerparts.com\/en-nz\/products\/l-style-bobbin-case-for-industrial-machines-part-52237","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}