2025 Bridgeport Series 1 CNC Knee Mill

Table & Ways
Table Size..........9” x 49”
Table Height Above Floor (max).........47.25”
Table Load..........750lbs.
No. of T-slots..........3
T-slot Width..........5/8”
T-slot Center Distance..........2.5”
Table Ways.......... Dovetail
Knee Ways.......... Dovetail
Column Ways..........Dovetail

Travels
X Longitudinal Table (w/pwr feed).......... 33”
Y Cross..........12”
Knee..........16”
Ram..........12”
Throat Distance (min) ..........6.75”
Throat Distance (max)..........18.75”
Table to Nose Gauge Line (min/max)..........2.5” / 18.25”

Motors & Spindle
Spindle Motor (duty cycle/continuous) 3 Hp / 2Hp
Amp. Draw 208v...........7
Amp. Draw 230v...........7
Amp. Draw 460v...........5
Speed Range High Range..........500-4200 RPM
Speed Range Low Range..........60-500 RPM
Main Spindle Taper..........R8
Spindle Travel..........5”
Quill Feed (in/rev.).......... (.0015/.003/.006) (0-100) IPM
Quill Diameter..........3.375”

Capacities
Power Quill Feed..........3/8”
Milling Capacity (mild steel)..........2 CI/in
Boring Range (mild steel)..........6” dia
Spindle Diameter..........1.875”
Feed Rate Range (X,Y)..........0.50-35 ipm
Minimum Increment..........0.001”

Construction & Weight
Floor Area..........7 x 10 ft
Height..........87”
Net Weight..........1930 lbs
Shipping Weight..........2075 lbs
Input Power..........208/230/460 Volt
..........3 Phase, 50/60 hz
..........4KVA

Optional Features
• 2 or 3-Axis Digital Readout
• Pneumatic Power Drawbar
• Worklight
• Electrics—NFPA/NEMA-12 Standards, NTRL listed