Power Screw Ball Screw Specs: ball_screw
Lead screw and ball screw specifications including diameter, lead, starts, efficiency, dynamic/static load capacity, max speed, backlash, accuracy class, and L10 life — covers acme, buttress, square thread, ball screw, and planetary roller screw types from 3/8-in to 4-in nominal diameter
| screw type | size key | accuracy class | critical speed rpm at 24in unsupported (rpm) | drag torque in lb (in·lbf) | dynamic load capacity lb (lbf) | efficiency pct (%) | lead in (in) | life L10 revolutions at rated load (rev) | max speed rpm (rpm) | nominal diameter in (in) | notes | pitch in (in) | preload type | root diameter in (in) | starts | static load capacity lb (lbf) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ball_screw | 0.5000#0.2000#precision_C7#none | precision_C7 | 2,800 | 0.15 | 1,100 | 90 | 0.2 | 500,000 | 3,000 | 0.5 | 12 mm dia ball screw equiv; Thomson 1/2-in series; preload optional | 0.2 | none | 0.39 | 1 | 2,800 |
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