No-Back-Lash (NBL) Bobbin Case for Industrial Single Needle Sewing Machines. Bobbin Case # : 52237-NBL Also sold under numbers : 110-38759, 112035-000, 148350-101, 2110604-301B, 52237NBL, 540735, BC-DB1-NBL, D1837-555-BAA, K1837-000, MF41E0125, S03245-001, SC31-NS This Bobbin Case #52237-NBL is a No-Back-Lash (NBL) bobbin case that fits many Industrial Single Needle Sewing Machines. No-Back-Lash bobbin cases are designed with a brake spring which puts constant, light pressure on bobbins to overcome momentum. Bobbins stop spinning faster, preventing unraveling or tangling of bobbin thread when sewing operations stop and start. For most industrial straight stitch sewing machines. This top quality bobbin case will fit industrial sewing machines including : Artisan : A-100-2, 518, 1988MDZ Brother : B705, B707, B714, B715, B735, B737, B738, B745, B755, B756, B758, B767, B781, B790 Consew : 30, 98, 99, 102, 103, 105, 210, 218, 219, 220, 230, 290, 310, 2230, 7360R-1 Econosew : DDL-5550, DDL-8500, DDL-8700 Feiyue : FY8500, FY8700 Gemsy : 8700 Highlead : GC128, GC188, GC1928, GC1998 Juki : DDL-105, DDL-115, DDL-552, DDL-553, DDL-555, DDL-5550, DDL-8500, DDL-8700, DDL-8900, DLD-432, DLM-522, DLM-5400, DLN-412, DLN-415, DLN-5410 Mitsubishi : DB-120, DB-122, DB-126, DB-130, DB-189, DB-199, DX-370, LS2-130, LS2-150, LS2-180, LS2-190, LS2-1130 Rex : RX8500 Singer : 95, 96, 103, 191D, 195K, 196K, 241, 245, 251, 281, 400W, 491D, 591D, 600W, 691D, 770D, 1191D, 1591D, 2191, 2491D Sunstar : KM-123A, KM-123B, KM-137A, KM-137B, KM-146BL, KM-250 Yamata : FY8500, FY8700 And many more. To verify the compatibility with your sewing machine, please e-mail the brand & model number.