Overview
B083 16.60:1 bevel helical gearbox with a 40mm hollow bore output and 132B5 IEC motor input for efficient 90° right-angle power transmission in industrial machinery.
Built for long service life, the B083 16.60:1 unit combines dependable torque transfer with stable running characteristics, while the 40mm hollow output and 132B5 input keep installation practical for day-to-day industrial duty.
Medium reduction: The 16.60:1 ratio gives this 132B5 / 40mm configuration a balanced speed-to-torque profile for transfer lines, packaging systems, handling machinery, and everyday industrial drives that need steady output without excessive speed loss.
With a 132B5 IEC motor input, this 16.60:1 version is intended for applications requiring the largest motor frame option in the B083 range, supporting higher installed power through a 40mm hollow bore drive layout.
As part of the modular Motovario B083 bevel helical gearbox range, this 16.60:1 variant combines IEC motor compatibility, compact right-angle mounting, and a 40mm hollow bore layout for OEM builds, replacements, and upgrade projects using 132B5 motors.
Key Specifications
- Series: B Series – Bevel Helical Gearboxes
- Model: B083
- Reduction Ratio: 16.60:1
- Output Bore: 40mm Hollow Bore
- Motor Input: 132B5 IEC Flange
- Housing Material: High-strength cast iron
- Gear Type: Spiral bevel + hardened helical stage
- Mounting Positions: B3 Horizontal Mount
- Duty Rating: Suitable for continuous industrial operation (S1)
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 | ~84 rpm |
| 2-Pole | 2800 | ~169 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 132B5 IEC motor input. Confirm flange compatibility below:
| Motor Input | IEC Standard | Input Dimensions |
|---|---|---|
| 132B5 | IEC 60072 / IEC 60034 (B5 flange) | Ø300 × 38 |
If you’re unsure whether your motor is B5 or B14, contact our technical team for compatibility confirmation.
Internal Links & Compatible Options
Same ratio, different motor input: jump to the B083 16.6:1 variant you need (40mm bore).
Need a different ratio? Explore the closest B083 40mm bore ratios above and below this version.
More B083 options: Browse all Motovario B083 gearbox ratios
Explore the full B Series range: Motovario B Series bevel gearboxes
Helpful calculators:
Gearbox Ratio & Speed Calculator |
Output Torque Calculator
Performance & Design Features
✔ Space-saving 90° bevel layout for compact machine designs
✔ High torque output from a compact, industrial-duty footprint
✔ Precision-machined spiral bevel gear set for smooth, low-noise power transfer
✔ Heavy-duty taper roller bearings for strong radial and axial load handling
✔ Well suited to inverter (VFD) driven motors and variable-speed control
✔ Rigid cast iron housing built for OEM and continuous-duty operation
Ratio Selection Tips
- Best for: Best for balanced duties where speed control and torque both matter — strong choice for production conveyors, turntables, light mixers, and general materials handling.
- Selection tip: for general machinery, mid reduction gives stable control — verify continuous torque demand and pick the ratio that keeps the motor in its efficient speed range.
FAQ
Is this a good general-purpose ratio?
Yes — mid reduction ratios are typically the best balance for many machines, providing controlled speed with useful torque multiplication.
How do I choose between two close ratios?
Pick the ratio that keeps your target output speed closest at the motor speed you’ll actually run (direct-on-line or via VFD), then confirm required torque and service factor.
Typical Applications
- Conveyor and line-shaft drive systems
- Automated production and assembly lines
- Food and beverage processing machinery
- Materials handling and logistics equipment
- Pumps, mixers, and agitator drives
- OEM machine and equipment builds
Need help selecting the correct ratio, bore size, or motor input?
Contact our gearbox specialists for sizing assistance, torque verification, and availability confirmation.
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