Power Screw Ball Screw Specs: ball screw
1.5000#0.5000#precision C7#none to 3.0000#1.0000#precision C5#preload double nut
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 | backlash in (in) | 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) | pitch in (in) | preload type | root diameter in (in) | starts | static load capacity lb (lbf) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ball screw | 1.5000#0.5000#precision C7#none | precision C7 | 0.003 | 1,560 | 0.9 | 14,500 | 91 | 0.5 | 500,000 | 3,500 | 1.5 | 0.5 | none | 1.284 | 1 | 36,250 |
| ball screw | 1.5000#0.7500#precision C7#none | precision C7 | 0.003 | 1,560 | 0.75 | 14,500 | 92 | 0.75 | 500,000 | 5,000 | 1.5 | 0.75 | none | 1.284 | 1 | 36,250 |
| ball screw | 2.0000#0.5000#precision C5#preload single nut | precision C5 | 0.003 | 1,250 | 1.8 | 27,500 | 91 | 0.5 | 1,000,000 | 3,000 | 2 | 0.5 | preload single nut | 1.734 | 1 | 68,750 |
| ball screw | 2.0000#1.0000#precision C5#none | precision C5 | 0.003 | 1,250 | 1.4 | 27,500 | 93 | 1 | 500,000 | 5,500 | 2 | 1 | none | 1.734 | 1 | 68,750 |
| ball screw | 2.5000#1.0000#precision C5#preload double nut | precision C5 | 0.002 | 1,100 | 3.2 | 47,000 | 92 | 1 | 1,000,000 | 2,500 | 2.5 | 1 | preload double nut | 2.188 | 1 | 117,500 |
| ball screw | 3.0000#1.0000#precision C5#preload double nut | precision C5 | 0.002 | 950 | 5 | 72,000 | 92 | 1 | 1,000,000 | 2,200 | 3 | 1 | preload double nut | 2.625 | 1 | 180,000 |
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