Motovario B083 Bevel Helical Gearbox – 35/45mm Hollow Bore, Cast Iron, Ratios 7.81:1–144.77:1

The Motovario B083 bevel helical gearbox is a compact right-angle gearbox designed for efficient, smooth torque transmission in small-to-medium industrial machinery. Built with a strong cast iron housing and available with 35mm, 45mm hollow bore outputs, the B083 is ideal for conveyors, packaging machinery, pumps, and automation systems requiring dependable 90-degree power transfer in space-restricted installations.

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Key Specifications

Manufacturer: Motovario
Series: B Series – Bevel Helical Gearboxes
Model: B083
Output Bore Options: 35mm | 45mm Hollow Bore
Ratio Range: 7.81:1 – 144.77:1
Input Motor Mounts: 80B5 | 90B5 | 100–112B5 | 132B5
Max Motor Frame Size: IEC 132
Housing Material: Cast Iron
Finish: RAL 5010 Blue Industrial Coating
Lubrication: Synthetic ISO VG220

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Mechanical & Construction

Gear System: Bevel + Helical gear stages for high efficiency
Bearings: Output taper roller bearings for high load capacity
Sealing: NBR Nitrile oil seals – input + output
Cooling: Ribbed housing for effective heat dissipation
Shock Load Rating: Suitable for continuous heavy-duty use
Backlash: Low backlash for enhanced mechanical precision

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Performance & Duty

Torque Output: High, depending on ratio and motor size
Efficiency: Greater than worm gearbox equivalents
Duty Type: S1 Continuous industrial duty
Mounting Orientation: Horizontal / Vertical
Noise Level: Low vibration and quiet running

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Environmental & Compliance

Operating Temperature: −20°C to +40°C
Environmental Protection: Industrial sealing and coating
Built For: Harsh industrial environments

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Ratio Options (B083)

• 7.81 | 8.62 | 10.49 | 11.59 | 14.43 | 16.60 | 18.32
• 22.82 | 26.71 | 29.50 | 31.80 | 34.49 | 39.60 | 42.95
• 45.44 | 51.19 | 55.52 | 59.96 | 62.48 | 63.74 | 69.14
• 73.14 | 80.76 | 92.19 | 100.57 | 105.29 | 116.25 | 126.76 | 144.77

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Accessories & Options

Available Add-ons:
– Torque arms
– Double/Single solid shaft kits
– Output covers & mech protection
– Double worm extension modules
– Motor adaptors & various mounting flanges

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Features & Benefits

• ✅ Right-angle output for compact machine layouts
• ✅ Selectable bore sizes 35/45mm for flexible fitment
• ✅ Cast iron gearbox engineered for industrial durability
• ✅ Taper roller bearings handle high radial/axial loads
• ✅ IEC motor suitability from 80–132 frame

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Typical Applications

• Compact conveyor drives
• Packaging and assembly machinery
• Pumps, fans & material movement equipment
• Automation and right-angle drive systems
• OEM and MRO equipment retrofits

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Why Buy from Worm Gear Motors Online?

Genuine Motovario supply: Factory-approved & fully warrantied.

Technical selection support: Torque, mounting & ratio verified before order.

Fast UK delivery: Rapid stock and sourcing options.

Best Price Guarantee: Found it cheaper? We’ll beat it!

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Order the Motovario B083 Bevel Helical Gearbox Today

All bore, ratio & mounting options available with full application support.
Contact us for pricing, performance data & availability