Bernina bobbins Part # 530761

Metal One-Piece Bobbins - No Holes -  - Part # 530761

Part Number: 530761 (also 201842, 0115367200)

Type: Metal one-piece bobbin with no holes

Material: Silver steel or aluminum

Quality: High-quality replacement bobbins

About These Bobbins

These high-quality metal bobbins are specifically designed for vintage and classic Bernina and Necchi sewing machines. The one-piece "no hole" design provides smooth, consistent thread delivery and reliable performance in machines with oscillating hook systems. Made from durable silver steel or aluminum, these bobbins are built to last and maintain proper tension for balanced, professional-quality stitches.

The bobbin serves as the lower thread spool in your sewing machine, feeding thread from below to interlock with the upper thread and create stitches. Quality bobbins are essential for proper stitch formation, consistent tension, and trouble-free sewing.

Key Features

One-Piece Metal Construction:

These bobbins are precision-manufactured from a single piece of metal (steel or aluminum), making them more durable and balanced than plastic or multi-piece bobbins. The solid construction prevents warping, cracking, or breaking during use.

No Holes Design:

Unlike some bobbin styles with small circular perforations, these bobbins feature a smooth, solid design with no holes. This "no hole" construction is specifically required for certain Bernina and Necchi models and ensures proper fit and function in oscillating hook systems.

Precision Dimensions:

Manufactured to exact specifications for perfect fit and smooth operation in compatible machines. Proper bobbin dimensions are critical for correct tension and stitch quality.

Specifications

•  Diameter: 20.5mm (0.80 inches)
•  Thickness: 11.8mm (0.46 inches)
•  Center Hole Diameter: 6mm (0.23 inches)
•  Material: Silver steel or aluminum
•  Design: One-piece, no holes
• Compatibility - Fits Bernina Models:

Old Style 500-800 Series:

530, 532, 534, 540, 600, 610, 640, 700, 701, 707, 708, 709, 710, 717, 718, 719, 727, 728, 729, 730, 731, 732, 801, 802, 802S, 803, 803S, 830 Record

Other Bernina Models:

15, 317, 630

Important: These bobbins do NOT fit modern Bernina 8 Series models such as the 820, 830LE, or 880. Please verify your model number before ordering.