Motovario B103 Bevel Gearbox – 45mm Output Bore

The Motovario B103 bevel helical gearbox is a compact heavy-duty right-angle drive solution designed for efficient torque transmission and directional change. Built with a high-strength cast iron housing and available with 45mm hollow bore, this gearbox provides smooth operation, low backlash, and excellent load capacity across industrial automation, conveyors, process systems, and high-duty machinery applications.

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Key Specifications

Manufacturer: Motovario
Series: B Series – Bevel Helical Gearboxes
Model: B103
Output Bore Options: 45mm Hollow Bore
Ratio Range: 8.13:1 – 165.25:1
Input Motor Mounts: 80B5 | 90B5 | 100–112B5 | 132B5 | 160B5
Max Motor Frame Size: IEC 160
Housing Material: Cast Iron
Finish: RAL 5010 Blue – Industrial coating
Lubrication: Synthetic ISO VG220

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Mechanical & Construction

Gear Technology: Bevel + helical gearing for high load efficiency
Bearings: Taper roller bearings at output for high radial forces
Seals: NBR Nitrile oil seals – input/output
Heat Dissipation: Ribbed housing improves thermal performance
Backlash: Low backlash for precise torque delivery
Construction: Shock-resistant design for industrial duty

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Performance & Duty

Torque Output: High, motor and ratio dependent
Efficiency: Higher efficiency than standard worm drives
Duty Rating: S1 Continuous duty
Mounting Orientation: Horizontal or vertical
Noise Level: Smooth and quiet operation

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Environmental & Compliance

Operating Temperature: −20°C to +40°C
Corrosion Protection: Durable coated housing
Industrial Suitability: Harsh-environment ready

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Ratio Options (B103)

• 8.13 | 8.97 | 10.92 | 12.05 | 14.99 | 17.27 | 19.06
• 23.70 | 26.51 | 30.55 | 33.07 | 35.87 | 41.12 | 44.61
• 47.28 | 50.24 | 53.02 | 58.50 | 62.48 | 64.89 | 68.58
• 72.76 | 75.67 | 78.92 | 83.66 | 92.31 | 93.40 | 105.44
• 114.80 | 120.42 | 132.87 | 144.69 | 165.25

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Accessories & Options

Supported Options:
– Torque arms
– Output solid shaft kits (single/double)
– Output covers & mounting plates
– Double worm modules
– Motor adaptor plates and accessories

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Features & Benefits

• ✅ Right-angle bevel+helical gearbox for space-efficient layouts
• ✅ 45mm bore for versatile shaft coupling
• ✅ Cast iron housing designed for heavy industry
• ✅ High radial capability due to taper roller bearings
• ✅ Pairs with IEC 80–160 motors for flexibility

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Typical Applications

• Conveyors and material handling systems
• Mixers, agitators and processing machinery
• Pumps, blowers and wastewater systems
• Automation and robotics requiring 90° torque transfer

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Why Buy from Worm Gear Motors Online?

Genuine Motovario supply: Full warranty and certification

Engineering assistance: We size torque, ratio & mounting correctly

Fast Shipping: Nationwide rapid availability

Best Price Promise: Find a lower price – we will beat it

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Order the Motovario B103 Bevel Helical Gearbox Today

All ratios and mounting configurations available with full technical support.
Contact us for pricing, torque charts & stock options