ACBAR eccentric gearbox
ACBAR 251
600 Nm
Heavy travel, hoisting and slewing drives under shock and overload — where toothed gearboxes reach their limits.

Technical data
- Nominal torque
- 600 Nm
- Ratio (single stage)
- 4.5 : 1 – 10,152 : 1
- Backlash (standard)
- 1.3°
- Backlash (reduced)
- 0.4°
- Output torsional stiffness
- 110,000 Nm/rad
- Input inertia
- 0.007 kgm²
- Flange Ø (B3 group)
- 280 mm
- Output shaft
- Ø 38 k6 × 80 mm
- IEC motor mounting
- IEC 71 – 100 (0.25 – 3.0 kW)
- Mounting arrangements
- B3, B5, B6, B7, B8, B14, V1, V3, V5, V6, V18, V19
Standard across all frame sizes
- Rolling power transmission — high shock and overload resistance
- Lifetime lubrication — absolutely maintenance-free
- Any mounting position, sealed all round
- Multi-stage combinable for even higher ratios
Other frame sizes
Is the ACBAR 251 right for your application?
Send us torque, ratio and installation details — we check the sizing and quote within 24 hours.