Series Overview
The L7 Width 200 sub-series consists of three primary part lengths — 350-200, 500-200, and 650-200 — with a 200 mm secondary part width. Peak force range 8,104 ~ 16,209 N, water-cooled continuous force 3,727 ~ 7,385 N. Suitable for high-thrust machine tool spindles and grinding applications.
Dimensions
Side / end view dimensions (shared across the entire series)
Top view dimensions (shared across the entire series)
Performance Data — Width 200
| Category / Parameter | Symbol | Unit | 350-200 | 500-200 | 650-200 |
|---|---|---|---|---|---|
| Winding | |||||
| Winding | — | — | Z2.8H | Z2.8H | Z3.8H |
| Forces | |||||
| Ultimate force (1 s) | Fu | N | 8,864 | 13,296 | 17,728 |
| Peak force | Fp | N | 8,104 | 12,157 | 16,209 |
| Continuous force (cooled) | Fcw | N | 3,727 | 5,535 | 7,385 |
| Continuous force (not cooled) | Fc | N | 1,253 | 1,794 | 2,346 |
| Stall force (cooled) | Fsw | N | 2,473 | 4,000 | 5,336 |
| Cogging force at I = 0 | Fcog | N | 16.21 | 24.31 | 32.42 |
| Velocities | |||||
| Limiting velocity at Ip, UDCL = 600 V | vlp600 | m/s | 1.36 | 0.92 | 1.20 |
| Limiting velocity at Icw, UDCL = 600 V | vlw600 | m/s | 3.11 | 2.20 | 2.79 |
| Limiting velocity at Ip, UDCL = 300 V | vlp300 | m/s | 0.53 | 0.28 | 0.44 |
| Limiting velocity at Icw, UDCL = 300 V | vlw300 | m/s | 1.40 | 0.95 | 1.24 |
| Currents | |||||
| Effective ultimate current (1 s) | Iu eff | A | 90.8 | 98.4 | 163.2 |
| Effective peak current | Ip eff | A | 72.7 | 78.7 | 130.5 |
| Effective continuous current (cooled) | Icw eff | A | 24.6 | 26.3 | 43.7 |
| Effective continuous current (not cooled) | Ic eff | A | 8.09 | 8.37 | 13.61 |
| Effective stall current (cooled) | Isw eff | A | 16.2 | 19.0 | 31.5 |
| Power losses | |||||
| Power loss at Fp | Plp | W | 12,648 | 19,085 | 25,222 |
| Power loss at Fcw | Plw | W | 1,935 | 2,861 | 3,787 |
| Power loss at Fc | Plc | W | 210 | 289 | 367 |
| Electrical characteristic values | |||||
| DC link voltage | UDCL | V | 800 | 800 | 800 |
| Electrical resistance, phase to phase | R20 | Ω | 1.60 | 2.05 | 0.99 |
| Inductance, phase to phase | L | mH | 29.62 | 37.84 | 18.36 |
| Back EMF constant | kû | V/(m/s) | 126.7 | 175.4 | 141.1 |
| General characteristic values | |||||
| Pole pair width | 2τp | mm | 46 | 46 | 46 |
| Motor constant (20 °C) | km | N/√W | 100.3 | 122.4 | 142.0 |
| Force constant | kf | N/A | 154.9 | 214.4 | 172.4 |
| Motor temperature switch-off | JPTC | °C | 110.0 | 110.0 | 110.0 |
| Attraction force | Fa | N | 12,410 | 18,615 | 24,820 |
| Cooling conditions (medium: water, supply temperature 20 °C) | |||||
| Recommended volume flow rate | dV/dt | l/min | 4.5 | 5.5 | 6.0 |
| Cooling water temperature difference | ΔJ | K | 6.2 | 7.5 | 9.1 |
| Pressure drop | Δp | bar | 0.7 | 1.4 | 2.0 |
Geometric Data — Width 200
| Category / Dimension | Symbol | Unit | 350-200 | 500-200 | 650-200 |
|---|---|---|---|---|---|
| Primary part | |||||
| Length | LP | mm | 384 | 545 | 706 |
| Width | BP | mm | 247 | 247 | 247 |
| Height | HP | mm | 58.5 | 58.5 | 58.5 |
| Maximum width | BPMAX | mm | 251.4 | 251.4 | 251.4 |
| Cooling water connection | TSPC | — | 2 × G1/8″ | 2 × G1/8″ | 2 × G1/8″ |
| Mass | mP | kg | ca. 27 | ca. 39 | ca. 50 |
| Secondary part | |||||
| Length | LS | mm | 184 | ||
| Width | BS | mm | 240 | ||
| Height (without encapsulation) | HS | mm | 16 | ||
| Height (encapsulated) | HSP | mm | 16.3 | ||
| Motor installation dimensions | |||||
| Width with secondary part cooling system | B | mm | 251 | ||
| Height without secondary part cooling system | H | mm | 76 | ||
| Height with secondary part cooling system | HSC | mm | 86 | ||
Specifications subject to change without notice.
Source: Schaeffler Industrial Drives — L7 Series High Efficiency Linear Motors (PHL en-GB / DE / 2025-01).
For parameter definitions see the Type Designation & Glossary page.