Machine specification – SINGER 112 User Manual
Page 8
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Zigzag Sewing Machine
Instruction Manual and Parts List
2.2.
Machine Specification
Table 1 - Machine Specification
Singer model
20U-109/ 109C
20U-112/112C
20U-309
For sewing
Light to medium
Stitch type
Plain zigzag (Straight stitch)
3-step zigzag
Max. speed^
2,500 rpm
2,000 rpm
2,500 rpm
Max. stitch bight
9.0 mm
12.0 mm
9.0 mm
Max, stitch length
5.0 mm
Needle bar stroke
34.8 mm
Presser bar lift (manual)
6.35 mm
Presser bar lift (knee lifter)
9.0 mm
Needle catalog (needle system)
Cat. 1910-05 (135x9)
Needle size
See Section 3,5 "Needle and Thread"
Machine pulley
74.0 mm effective dia, for v-belt
Oil
Singer Oil
Workspace (w x h)
211X 130 mm
Bedplate dimensions
399.0 mm x 178.0 mm
Net weight (head only)
21.0 kg
Gross weight (with accessories)
25.0 kg
Noise^
Lower than 76 dBA at 1,600 spm
^ Maximum speed will vary depending on fabric, threads and sewing condition
^ Noise measurement according to DIN 4563-45-A 1.