Motovario H042 Inline Helical Gearbox – 30mm Hollow Bore, Cast Iron, Ratios 5.46:1–54.25:1
The Motovario H042 inline helical gearbox is a compact and highly efficient drive solution for small-to-medium industrial systems. Featuring a 30 mm hollow bore, durable cast iron housing, and precision-machined helical gears, the H042 delivers smooth torque transmission, reduced noise levels, and long service life. It is commonly used in conveyors, packaging and assembly machinery, pumps, and automation drives that need reliable and continuous-duty power transmission.
Key Specifications
Manufacturer: Motovario
Series: H Series – Inline Helical Gearboxes
Model: H042
Output Bore: 30 mm Hollow Bore
Ratio Options: 5.46:1 to 54.25:1
Max Motor Input Frame: IEC 100–112 Frame
Mounting Types: Foot | Flange FA Ø200mm | Flange FB Ø160mm | Flange FC Ø140mm | Flange FD Ø120mm
Input Motor Mounts: 71B5 | 80B5 | 90B5 | 100–112B5
Housing Material: Cast Iron
Paint Finish: RAL 5010 Blue
Lubrication: Synthetic ISO VG220
Mechanical & Construction
Gear Design: Helical gearing for high efficiency and low noise
Bearings: Taper roller output bearings for high radial load capacity
Sealing: NBR nitrile oil seals at both input & output
Heat Dissipation: Ribbed cast housing to reduce operating temperatures
Corrosion Resistance: Industrial-grade paint and surface protection
Environmental & Compliance
Duty Rating: S1 continuous service
Mounting Orientation: Horizontal or vertical
Temperature Range: –20°C to +40°C (standard)
Performance Characteristics
Torque Output: High torque delivery – motor and ratio dependent
Efficiency: High-efficiency helical power transmission
Noise Profile: Low vibration and quiet running
Ratio Options (H042)
- 5.46 | 7.19 | 8.91 | 10.31 | 11.80 | 13.57 | 15.96
- 19.00 | 21.00 | 23.15 | 26.04 | 27.50 | 30.45
- 33.25 | 34.10 | 37.76 | 43.75 | 47.53 | 54.25
Features & Benefits
- ✅ 30 mm hollow bore for compact direct coupling to driven shafts
- ✅ Cast iron construction ensures durability in industrial use
- ✅ Multiple flange sizes for flexible installation and retrofits
- ✅ Quiet, efficient helical gearing reduces energy losses
- ✅ Compatible with IEC 71–112 motors for drive versatility
Typical Applications
- Light-to-medium duty conveyors
- Packaging and automation machinery
- Pumps, blowers, and industrial fans
- Assembly line and OEM equipment
Why Buy from Worm Gear Motors Online?
Genuine Motovario units: 100% official supply with full warranty.
Engineering support: We confirm correct torque, mounting & ratio before dispatch.
Fast UK delivery: Rapid availability to minimise downtime.
Best Price Guarantee: Find it cheaper? We’ll beat it!
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All mounting configurations and ratios available with expert guidance included.
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