Overview
Motovario B163 154.83:1 bevel gearbox with a 100mm hollow bore output and 200B5 IEC motor input, engineered for high-capacity right-angle power transmission in demanding industrial drive systems.
Designed for heavy-duty plant and OEM machinery, this configuration delivers dependable speed reduction, smooth torque transfer, and reliable mechanical performance across continuous-duty industrial applications.
Very High Reduction: Delivers very low output speed with substantial torque multiplication, making it ideal for heavy-duty conveyors, feeders, agitators, indexing drives, and demanding industrial machinery.
The 100mm hollow bore output is intended for larger driven shafts, providing secure shaft engagement and stable torque transmission in higher-load installations.
Equipped with a 200B5 IEC motor input, this version supports larger motor frame sizes and increased input capacity, allowing it to be integrated into heavier-duty drive assemblies while retaining the modular flexibility of the Motovario B Series bevel helical gearbox platform.
Key Specifications
Regulations: No
Bevel Helical: PAM B
Size: 163
Housing Version: U-Universal
Output Shaft Version: C-Hollow Shaft
Ratio (i): 154.83
Input Dim: Ø400 x 55 (IEC200 B5)
Output Shaft Dim: Ø100
Rotation Direction: Standard
ON-Oil Plugs: Breather-Drain-Level (Standard)
Mounting Position: B3
ON-Output Oil Seal: NBR-Nitrile
ON-Input Oil Seal: NBR-Nitrile
ON-Output Bearings: Taper Roller Bearings
ON-Lubrication: Without Oil
Paint: RAL 5010 Blue
Output Speed (4-Pole vs 2-Pole Motors)
Calculated nominal output speed using a standard IEC motor:
| Motor Type | Input Speed (rpm) | Estimated Output Speed (rpm) |
|---|---|---|
| 4-Pole | 1400 | ~9 rpm |
| 2-Pole | 2800 | ~18 rpm |
Need torque confirmation? Output torque depends on motor power (kW), gearbox efficiency, and service factor. Use our Gearbox Service Factor Calculator or contact us for verified torque figures.
Motor Input Chart (IEC Flange Details)
This gearbox is supplied with a 200B5 IEC motor input. Confirm flange compatibility below:
| Motor Input | IEC Standard | Input Dimensions |
|---|---|---|
| 200B5 | IEC 60072 / IEC 60034 (B5 flange) | Ø400 x 55 |
If you’re unsure whether your motor is B5 or B14, contact our technical team and we’ll confirm compatibility.
Internal Links & Compatible Options
Same ratio, different motor input: jump to the B163 154.83:1 variant you need with a 100mm bore.
Need a different ratio? Explore the closest B163 100mm bore ratios to this version.
More B163 options: Browse all Motovario B163 gearbox ratios
Explore the full B Series range: Motovario B Series bevel gearboxes
Helpful calculators: Gearbox Ratio & Speed Calculator | Output Torque Calculator
FAQ
Why choose an 154.83:1 reduction ratio?
This ratio is commonly selected where machinery must maintain relatively fast output speed while still benefiting from increased torque transmission. It offers a balanced solution for equipment that needs efficient operation without excessive speed reduction.
Can this gearbox handle larger motor sizes?
Yes — the 200B5 IEC input allows compatibility with larger motors, making it suitable for heavier-duty drive systems and applications that require higher power input.
Configuration Notes
Input flange note: the 200B5 IEC input enables integration with larger industrial motor frames, increasing input capacity and allowing the gearbox to be used in higher-power drive assemblies.
Output bore note: the 100mm hollow bore is designed for larger driven shafts, ensuring reliable shaft engagement and stable torque transfer under heavier mechanical loads.
Application example: well suited to bulk material conveyors, industrial transfer systems, processing equipment, and heavy-duty packaging lines where a high-capacity right-angle gearbox and larger motor pairing are required.
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