Premium Magnetic Bobbin Case (Koban 52237M) for Brother Sewing Machines
Upgrade your stitch quality with the Koban 52237M Magnetic Bobbin Case. This premium replacement part features an integrated magnet designed to stabilize the bobbin, ensuring consistent thread tension and preventing "backlash" during high-speed industrial sewing.

Product Specifications:
Part Number: 52237M (Magnetic)

Brand: Koban (Premium Quality)

Feature: Built-in Magnet for anti-spin control.

Compatibility: Standard "L Size" Bobbins.

Guaranteed Compatibility:
This bobbin case is precision-engineered for a perfect fit in the following Brother industrial models:

Brother DB2-B755 MKIII

Brother DB2-B201

Also compatible with most high-speed industrial lockstitch machines.

Key Benefits of the Magnetic (52237M) Case:
Eliminates Backlash: The magnetic base provides constant, slight resistance to prevent the bobbin from over-spinning when the machine stops suddenly.

Uniform Stitching: Provides smoother thread delivery, which is essential for high-quality topstitching and delicate fabrics.

Koban Professional Grade: Manufactured by Koban, the industry leader in rotary hooks and bobbin cases, ensuring a longer lifespan than standard generic parts.

Reduced Birdnesting: Prevents thread tangles at the start and end of your seams.

✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment

💡 Add more items to your cart to qualify for free shipping ($99+)

📩 Not sure if this fits? Send us your machine model or a photo — we’ll help you confirm.

⚠️ Please confirm your machine model before ordering