what nema34 motor would be best for Bridgeport 50" by 10"


nema34 1232oz 1090oz 1600oz



Part No.: WT86STH118-6004A
Frame Size: NEMA34
Step Angle: 1.8 degree
Voltage: 3.08V
Current: 5.6A/phase
Resistance: 0.55 Ohm/phase
Inductance: 5.5 mH/phase
Holding torque: 8.4N.m 1232oz-in
Rotor inertia: 2700g-cm2
Number of wire leads: 4
Weight: 3.8 kg
Length: 118mm
Shaft Diameter: 14mm
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Part No.: 85BYGH450D-008 single shaft
Frame Size: NEMA34
Step Angle: 1.8 degree
Voltage: 2.13V
Current: 5.6A/phase
Resistance: 0.38 Ohm/phase
Inductance: 4.1 mH/phase
Holding torque: 7.7N.m 1090oz-in
Rotor inertia: 1700g-cm2
Number of wire leads: 4
Weight: 3 kg
Length: 99mm
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Part No.: WT85STH151-3004B
Frame Size: NEMA34
Step Angle: 1.8 degree
Voltage: 5.7V
Current: 3.0A/phase
Resistance: 1.9 Ohm/phase
Inductance: 22 mH/phase
Holding torque: 11.2N.m 1600oz-in
Rotor inertia: 3600g-cm2
Number of wire leads: 4
Weight: 5 kg
Length: 151mm

i am building a router CNC and retrofit'ing a bridgeport to cnc-bridgeport,.,.
so i am planing on using the motors on Bridgeport to build parts and take them off and use them on my cnc ..
cnc 7' by 54" rack and pinion or 25mm ballscrew,