{"product_id":"juki-b18370270a0-bobbin-case-assembly","title":"JUKI B18370270A0 Bobbin Case Assembly","description":"\u003ch2\u003eJUKI B18370270A0 Bobbin Case Assembly\u003c\/h2\u003e\n\u003cp\u003eJUKI spare part B18370270A0: Bobbin Case Assembly. This is the case that holds the bobbin inside the hook and applies tension to the bottom thread. In the official JUKI parts list it appears for LZ series machines.\u003c\/p\u003e\n\u003cp\u003eThe tension spring and screw in the case decide how freely the bobbin thread unwinds, so the bobbin case is directly involved in stitch balance.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJUKI part number: \u003cstrong\u003eB18370270A0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name in the JUKI catalog: Bobbin Case Assembly\u003c\/li\u003e\n\u003cli\u003eType: Bobbin Case\u003c\/li\u003e\n\u003cli\u003eListed in 1 model group of the official JUKI parts list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFits these JUKI machines\u003c\/h3\u003e\n\u003cp\u003ePart B18370270A0 is used on: JUKI LZ-271\/LZ-391N.\u003c\/p\u003e\n\u003cp\u003eThe list follows the official JUKI WebPartsList. Machine names are written the way JUKI writes them; one entry can cover several related models.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBottom thread tension is uneven or cannot be set correctly\u003c\/li\u003e\n\u003cli\u003eThread nests or snags in the case\u003c\/li\u003e\n\u003cli\u003eThe case or its tension spring is burred, dented or worn\u003c\/li\u003e\n\u003cli\u003eThe bobbin does not sit or turn smoothly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the case free of lint and thread ends, and adjust the tension to the thread you are sewing with.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eBobbin cases are made for a specific hook and bobbin size, and there are versions with extra features, for example a spring that stops the bobbin from spinning on after the machine stops. Spare parts are supplied to order; contact us for current availability.\u003c\/p\u003e\n\u003ch3\u003eMore JUKI parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-b18307100a0-hook-assembly\"\u003eJUKI B18307100A0 Hook Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-ss8110750sp-screw-11-64-40-l-6-5\"\u003eJUKI SS8110750SP Screw 11\/64-40 L=6.5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-22958300-needle-thread-guide-pin\"\u003eJUKI 22958300 Needle Thread Guide Pin\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-wp0501016sd-washer-5x10-5x1\"\u003eJUKI WP0501016SD Washer 5X10.5X1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/juki-ss8660530tp-screw-1-4-40-l-4-5\"\u003eJUKI SS8660530TP Screw 1\/4-40 L= 4.5\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill JUKI B18370270A0 fit my machine?\u003c\/strong\u003e\u003cbr\u003eFind your model in the list above. If it is not there, or your machine is a variant, send us the model and we will check it against the JUKI parts list before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a bobbin case from another machine?\u003c\/strong\u003e\u003cbr\u003eOnly if it has the same JUKI part number. A case for a different hook size will not seat or hold tension correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I order the right part?\u003c\/strong\u003e\u003cbr\u003eOrder by the JUKI part number B18370270A0. Part numbers in the JUKI catalog are exact, so the number identifies the part.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":50679772545189,"sku":"JUK-B18370270A0","price":19.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/bobbin_case.png?v=1791205893","url":"https:\/\/prizzisewing.com\/products\/juki-b18370270a0-bobbin-case-assembly","provider":"PRIZZI SEWING MACHINE CO.","version":"1.0","type":"link"}