Will these 55623A bobbins fit my industrial lockstitch machine?

These are a standard type for many single-needle industrial lockstitch machines, often called 'computer flat cars'. If your machine's manual specifies part number 55623A, these will fit correctly. They are common in many Juki, Brother, and Singer industrial models, but you should always check your manual to confirm.

What is the advantage of using aluminium bobbins instead of steel ones?

Aluminium bobbins are much lighter than steel ones. This lower weight means they create less inertia, so they can start and stop spinning faster with less momentum. This can help improve stitch consistency and reduce thread 'birdnesting', especially at high speeds on computerised machines.

Machine Bobbins | Slotted Aluminum 55623A | Industrial Use

Name: Machine Bobbins | Slotted Aluminum 55623A | Industrial Use
Brand: Compel
SKU: INDU-00176
Price: 24.95 USD
Availability: InStock
Rating: 4.8 (41 reviews)

Stock #:CMP-02230

SKU:INDU-00176

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Machine Bobbins | Slotted Aluminum 55623A | Industrial Use

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Questions about this product

Will these 55623A bobbins fit my industrial lockstitch machine?: These are a standard type for many single-needle industrial lockstitch machines, often called 'computer flat cars'. If your machine's manual specifies part number 55623A, these will fit correctly. They are common in many Juki, Brother, and Singer industrial models, but you should always check your manual to confirm.
What are the exact measurements of these bobbins?: Each bobbin has a diameter of 2cm and a height of 0.8cm. The central hole for the winder spindle is 0.7cm across. We recommend measuring one of your machine's current bobbins to ensure these dimensions match before you order a pack.
What is the advantage of using aluminium bobbins instead of steel ones?: Aluminium bobbins are much lighter than steel ones. This lower weight means they create less inertia, so they can start and stop spinning faster with less momentum. This can help improve stitch consistency and reduce thread 'birdnesting', especially at high speeds on computerised machines.

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Keep your production moving with this 100-pack of aluminum sewing machine bobbins. These are part number 55623A, also known as L style bobbins. They are a common size for many industrial single-needle lockstitch machines, including specific models from Juki and Singer. Features and Benefits - Light aluminum body - It spins and stops with less force than steel. This helps stop thread tangles at fast sewing speeds. - Slotted side wall - You can see how much thread is left. This helps you avoid running out in the middle of a seam. - Part #55623A (L Style) - This ensures it fits correctly in compatible industrial machines like the Juki DDL-8700 and many computer flat cars. - Smooth, polished surfaces - These let thread unroll evenly for consistent tension and balanced stitches. Applications - Clothing making - Use in single-needle lockstitch machines for making dresses, shirts, and pants. - Upholstery shops - Good for sewing light to medium-weight fabrics where stitches need to be even. - Tailoring and alterations - A shop supply for custom sewing and repairs on compatible industrial machines.

Material: Aluminum. Compatibility: Industrial Sewing Machines, Computer Flat Cars. Set Type: Yes. Type: Slotted Bobbins. Wholesale Availability: Yes (>50 Pcs). Height/Thickness: Typically 9mm. Inner Diameter: Typically 6mm. Outer Diameter: Typically 21mm. Weight per Bobbin: Approximately 1.5 grams. Material: Aluminum. Thread Capacity: Standard industrial bobbin capacity. Compatibility: Industrial Sewing Machine, Computer Flat Cars. Durability: High resistance to wear and corrosion. Feature: Slotted. Finish: Smooth, polished. High-Concerned Chemical: None. Model Number: 55623A. Product Name: Aluminum Bobbins Slotted. Quantity: 100 pieces. Set Type: Yes. Type of Wholesale: Yes (>50 Pcs). Q: What are the exact measurements of these bobbins? I want to confirm they'll fit my industrial machine. A: These are model 55623A bobbins. They measure 21mm in diameter and 9mm in height, which is the standard size for most industrial single-needle lockstitch sewing machines.. Q: Why are these made of aluminum? Is it better than steel? A: Aluminum is lighter than steel, so these bobbins spin with less momentum in the bobbin case. This can help reduce vibration and noise when sewing at very high speeds, contributing to more consistent stitch formation.. Q: Will these sewing machine bobbins work in a Brother S-7200A? A: Yes, they are compatible with the Brother S-7200A and similar industrial 'flat car' machines from brands like Juki and Singer. They are a direct replacement for the standard bobbins used in those models.. Q: What are the little slots on the side for? A: The slots in the bobbin's side wall let you see how much thread is left without taking it out of the machine. It's a simple way to check if you're about to run out of thread in the middle of a seam.. Q: How many bobbins are included in one order? A: This is a pack of 100 aluminum bobbins. It's a good quantity to have so you can pre-wind bobbins with all your most-used thread colors and always have one ready to go..

Machine Bobbins | Slotted Aluminum 55623A | Industrial Use

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