L Style Bobbin Case for Industrial Machines - Part # 52237
L Style Bobbin Case for Industrial Machines - Part # 52237 is backordered and will ship as soon as it is back in stock.
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L Style Bobbin Case for Industrial Machines - Part # 52237
Description
Description
This 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.
Specifications:
- Part Number: 52237
- Type: Replacement (aftermarket)
- Style: L Style (Class 95/96)
- Diameter: Approximately 20.3mm (about the size of a U.S. nickel)
- Height: 8.9mm
- Application: Industrial straight-stitch machines and commercial multi-needle embroidery machines
- Function: Holds bobbin and regulates lower thread tension
Product Variations:
- Standard (#52237): Basic all-steel bobbin case for most straight-stitch applications
- No-Back-Lash (#52237NBL): Features a small brake spring inside to prevent the bobbin from spinning too fast when the machine stops, avoiding thread tangling
- Magnetic (#52237M): Uses a magnet to hold the bobbin in place for smoother thread delivery
Machine Compatibility:
Singer Industrial: 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
Juki: 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
Brother: B714, B735, DB2-B791, PQ1500
Consew: 99, 103, 104, 105, 210, 220, 230, 231, CN2230R
Janome (NewHome): 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 761, 762, 763, 764
Tacsew: T405, T810, DDL-8500T
White: 666, 1164
Nolting: Quilters using L style bobbin
Important Style Distinction:
The L Style bobbin case should not be confused with similar styles:
- Class 15 (A Style): 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.
- M Style: Significantly larger (about the size of a U.S. quarter), used primarily for long-arm quilting and heavy-duty machines.
Function & Benefits:
The 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.
Installation Note:
Replace 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.
Specifications
Specifications
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