Laifual FH Series Hollow-Shaft Harmonic Reducers (Size 8-40)
Vendor: Laifual
Product: FH (FHD/FHN/FHG/FHT)

Laifual FH series (FHD/FHN/FHG/FHT) features a through-bore hollow shaft for central cable and shaft routing, sizes 8-40 with 50-160 ratios, 1.25-382 N·m rated torque, momentary permissible torque up to 1530 N·m, backlash ≤20 arcsec, angular transmission accuracy down to 1 arcmin and 8000-15000 h design life; the output flange integrates a cross-roller bearing (CRB) to carry external moment loads directly, with FHD-14 weighing only 0.34 kg, fitting humanoid waist/shoulder/elbow joints, precision rotary tables and optical equipment.
| Type | hollow-shaft harmonic reducer unit |
| Models | FHD / FHN / FHG / FHT, size 8-40 |
| Weight | 0.06-3.56 kg (FHD) |
| Accuracy | angular transmission accuracy ≤1 arcmin |
| Backlash | ≤20 arcsec (size ≥14) |
| Design Life | 8000-15000 h |
| Rated Torque | 1.25-382 N·m @2000 r/min |
| Output Bearing | integrated cross-roller bearing (CRB) |
| Max Input Speed | up to 8000 r/min |
| Reduction Ratio | 50-160 |
| Momentary Max Torque | up to 1530 N·m (FHG-40) |