Bobbin Case – OEM Part #NB1275000 (Singer, Juki, Viking, Pfaff & More)

The Bobbin Case (Part #NB1275000) is a high-quality OEM replacement designed for a wide range of household sewing machines across multiple brands. This precision component ensures proper bobbin thread tension, smooth rotation, and consistent stitch formation.

Ideal for restoring machines experiencing thread bunching, skipped stitches, or uneven tension.

Key Features

• OEM-quality replacement bobbin case
• Maintains consistent bobbin thread tension
• Smooth, stable bobbin rotation
• Helps prevent thread nesting and skipped stitches
• Durable metal construction
• Easy drop-in installation
• Sold individually

Compatible Sewing Machine Models

Singer / Bernette / Bernina / White Models:

3500 series, 3709, 3722, 3750, 3810, 3815, 3820, 3825, 3860, 50T8, 6510, 6550 Scholastic Plus, 7312 Decor, 7322 Decor, 7350, 7360, 7380 Quilter, 992DE, 20, 25, 65, 66, 80E, 82E, 90E, 92C, H70, London 7, London 8, 80E, 3100

Husqvarna Viking / Euro-Pro / Shark Models:

Emerald 183, Emerald 203, Husky Star C10, Husky Star C20, 18525, 6120, 6130, 6130A2, 6131A, 9110, 9130

Juki Models:

HZL-350Z, HZL-353Z, HZL-355Z, HZL-355ZW-A, HZL-357Z

Pfaff Models:

Smart 100S, Smart 200C

Necchi Models:

4825, 4960

Alternate Part Numbers

NB1275000, E12774000, E1A2824000, 4161480-01, 416489001, 40151611

Why Replace Your Bobbin Case?

A worn or damaged bobbin case can cause:

• Thread bunching under fabric
• Inconsistent stitch tension
• Skipped stitches
• Rough or noisy sewing

Replacing the bobbin case restores smooth, consistent stitching performance.

FAQs

Q: Is this a universal bobbin case?
A: It fits a wide range of machines, but always confirm your model before purchasing.

Q: Is this OEM or aftermarket?
A: This is an OEM-compatible replacement built to exact specifications.

Q: Is installation difficult?
A: No — this is a simple drop-in replacement.