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International Sewing Machine Collectors' Society

The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.

Singer Bobbin Information

This is a listing of Singer bobbins and a very small list of sewing machine models they will fit.

Bobbin Type Models
Singer Bobbin for Model 27, 28, 127, 128
Long Bobbins 27
28
127
128
Singer Class 66 Sewing Machine Bobbin
Class 66

Bobbin sides are slightly domed.

 66
98
99
185
201
285
317
327
328
337
401
403
404
411
431
478
500
503
534
714
Singer Class 15 Sewing Machine Bobbin
Class 15

Bobbin sides are completely flat.

 15
30TC
25TC
Singer Class 221 Sewing Machine Bobbin
Class 221/301

Part Number: 45785.

Featherweight bobbins are flat sided but are thinner than the Class 15 Singer bobbin.

 Featherweight
221
222
301

Sears Kenmore Model 49
Free Westinghouse (certain models)

These last two machines have what is titled the "rotary" bobbin case by Sincere's Sewing Machine Service Book, page 7. These are not the "rotary" bobbins that White's Rotary Machines take.

ISMACS is an organization totally independent of all sewing-machine manufacturers, past or present and is not affiliated with any of the companies mentioned in these pages.  Please Note: Do not contact any ISMACS official in an attempt to solicit a valuation - it is not possible other than by hands-on assessment and your request will be ignored.

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