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BRIDGEPORT Series 1

Technical Data – Bridgeport Series I

Table Size / Working Area: 9″ × 49″ (approx. 299 mm × 1245 mm)
T-Slots: 3 slots, spacing 2.5″ (approx. 64 mm), slot width 0.625″ (approx. 16 mm)
Travel X (Longitudinal):
- without power feed: 36″ (approx. 914 mm)
- with power feed: 33″ (approx. 838 mm)
Travel Y (Cross): 12″ (approx. 306 mm)
Quill Travel (Spindle Travel): 5″ (approx. 127 mm)
Knee Travel (Z-Axis table travel): 16″ (approx. 406 mm)
Ram Travel (Ram Head Adjustment): 12″ (approx. 306 mm)
Min. / Max. Spindle Nose to Table Distance: min: 2.5″ (approx. 64 mm); max: 18.25″ (approx. 463 mm)
Min. / Max. Spindle to Column Front (Throat Distance): min: 6.75″ (approx. 171 mm); max: 18.75″ (approx. 476 mm)
Spindle / Quill:
- Spindle diameter: 1.875″ (approx. 48 mm)
- Quill diameter: 3.375″ (approx. 86 mm)
- Spindle taper (Standard): R-8
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Spindle Motor / Power:
- 30-minute rating: 3 HP (approx. 2.2 kW)
- Continuous rating: 2 HP (approx. 1.5 kW)
Spindle Speed Range (variable, two ranges):
- Low range: 60 – 500 RPM
- High range: 500 – 4200 RPM
Drilling Capacity (power quill feed, mild steel): approx. 3/8″ (approx. 9.5 mm)
Milling Capacity (mild steel, cutting): approx. 2 CI/min (cutting inches per minute)
Boring Diameter (mild steel): up to Ø 6″ (approx. 152 mm)
Traverse Speeds (X/Y): manual / automatic up to 100 ipm (approx. 2540 mm/min) in CNC model
Machine Footprint & Height:
- Floor area: 84″ × 120″ (approx. 2140 mm × 3048 mm)
- Overall height: 87″ (approx. 2210 mm)
Net Weight / Shipping Weight:
- Net weight: approx. 1930 lbs (approx. 875 kg)
Maximum Workpiece Weight (on table): approx. 750 lbs (approx. 340 kg)

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