
Schlafhorst Autocoro · SE7 / SE8 · Bearing Series 1
G 140 BD Rotor Complete
G 140 BDG · Medium–Fine
G Groove rotor with BD boronized coating for 100% cotton and cotton-dominant blends (Ne 16–40) on Autocoro 240 / 288 series. 100% dynamic-balanced.
Groove TypeG — Medium to fine count cotton
CoatingBD Boronized
Compatible SeriesSE7 · SE8 (Autocoro 240 / 288)
BearingSeries 1
Technical Data
G 140 BD — Complete Specifications
All measurements in mm. 100% dynamic balance tested.
Model NumberG 140 BD
Groove TypeG — Medium to fine count cotton
CoatingBD (Boronized) — HV 1600–2000
Compatible MachinesSchlafhorst Autocoro SE7 · SE8 (Autocoro 240 / 288)
Bearing SeriesSeries 1
Suitable Yarn CountNe 16–40 (medium to fine)
Fibre Type100% cotton and cotton-dominant blends
Rotor DiameterØ 40 mm
BalancingG1–G2.5 · 100% dynamic-balanced
Max SpeedUp to 100,000 rpm
MaterialHigh-grade alloy steel · Boronized
Custom OptionsCustom diameters · DN diamond upgrade
OEM EquivalentSchlafhorst / Saurer full match
Min OrderFlexible — samples accepted
Lead Time7–15 days · Urgent available
Groove Engineering
Why G Groove for Your Yarn Count Target
Engineered for 100% cotton and cotton-dominant blends.
G Groove — Yarn Count Range
Ne 3Ne 10Ne 16Ne 24Ne 30Ne 40Ne 60+
G Groove — Precision Fibre Control
The G Groove creates a controlled deposition zone ensuring uniform fibre distribution and twist.
Surface Engineering
BD Boronized vs. DN Diamond
BD — Boronized
Current model
HV 1600–2000
DN — Diamond
Premium upgrade
HV 1000-1200
Compatibility
Which Machines Use G 140 BD?
✓ Autocoro 240 — SE7
SE7 · Bearing Series 1 · 240 positions
✓ Autocoro 288 — SE8
SE8 · 288 positions · Bearing Series 1
✗ Autocoro 360 / ACO 480 (SE11/SE12)
Bearing Series 5 — use 5xx specs
✗ Autocoro 312 / 360 (SE9/SE10)
Bearing Series 3 — use 3xx specs
Application Guide
What to Spin with G 140 BD
Best For
✓ Ne 16–30 carded cotton
✓ Ne 30–40 combed cotton
✓ Knitting & weaving yarns
✓ Ne 30–40 combed cotton
✓ Knitting & weaving yarns
Also Suitable
◇ CVC blends
◇ PC blends
◇ Regenerated cotton
◇ PC blends
◇ Regenerated cotton
Other Options
→ GT groove: Coarse (Ne 3–30)
→ S groove: Blends (Ne 16–40)
→ T groove: Medium-fine (Ne 16–40)
→ S groove: Blends (Ne 16–40)
→ T groove: Medium-fine (Ne 16–40)
Order G 140 BD Rotors
G 140 BD · Schlafhorst Autocoro SE7/SE8 · BD Boronized
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