B Series Gearboxes
Industrial helical and bevel gear reducers
The B series gearboxes are robust drive units with perpendicular input and output shafts, designed for the most demanding industrial applications. Their compact and versatile design allows for flexible installation with various mounting options.
Reduction ratio: 9.78 - 430
Rated torque: 4,850 - 345,000 Nm
Output speed: 0.1 - 140 rpm
Configurations: 20 different sizes
Main features
- Compact GGG40 spherical cast iron housing for exceptional impact resistance
- Helical and bevel gears with profile modifications for optimal transmission
- Can be mounted on any side for maximum installation flexibility
- Motor mounting with standardized IEC B5 flange
- Perpendicular input and output shafts for a reduced footprint
- Multiple output shaft options (solid shaft, flanged, hollow shaft with splines)
- High-capacity tapered roller bearings for extended service life
Product range
Our B series comprises 20 different sizes covering a wide torque range from 4,850 to 345,000 Nm, specially designed for industrial applications requiring high reduction ratios and reliable power transmission.
Detailed technical data
| Setting | Value | Unit |
|---|---|---|
| Reduction ratio | 9.78 - 430 | - |
| Nominal torque | 4,850 - 345,000 | Nm |
| Output speed | 0.1 - 140 | rpm |
| Typical yield | 94-96% | - |
| Degree of protection | IP55, IP65, IP66 | - |
| Serving temperature | -20°C to +80°C | °C |
| Noise level | ≤ 70 dB(A) | - |
Size chart
| Reduced size | Report range [i] | Nominal torque [Nm] | Shaft diameter/length [mm] |
|---|---|---|---|
| B0322 | 3-15 | 2,760 | Ø60/125 |
| B0522 | 3 - 14 | 8,750 | Ø85/160 |
| B0722 | 3 - 12 | 14,750 | Ø110/210 |
| B032. | 10 - 59 | 4,850 | Ø70/140 |
| B042. | 11 - 67 | 5,500 | Ø80/170 |
| B052. | 13 - 70 | 9,000 | Ø100/210 |
| B062. | 16-87 | 11,000 | Ø110/210 |
| B072. | 12 - 323 | 19,000 | Ø120/210 |
| B082. | 15 - 410 | 24,000 | Ø130/250 |
| B092. | 12 - 348 | 29,000 | Ø140/250 |
| B102. | 15 - 431 | 36,000 | Ø160/300 |
| B112. | 12 - 320 | 55,000 | Ø170/300 |
| B122. | 16 - 412 | 70,000 | Ø180/300 |
| B132 | 13 - 327 | 90,000 | Ø200/350 |
| B142 | 15 - 396 | 110,000 | Ø220/350 |
| B152. | 13 - 293 | 150,000 | Ø230/410 |
| B162. | 14 - 322 | 165,000 | Ø240/410 |
| B172. | 17 - 304 | 200,000 | Ø250/410 |
| B182. | 20 - 351 | 240,000 | Ø270/470 |
| B192. | 65 - 294 | 300,000 | Ø290/470 |
| B202. | 72 - 328 | 345,000 | Ø300/500 |
Technical advantages
| Characteristic | Profit |
|---|---|
| Compact GGG40 case | Superior resistance to shocks and vibrations with a compact size |
| Modified gears | Optimal power transmission and reduced wear |
| Multi-position mounting | Installation flexibility in all spatial configurations |
| IEC B5 flange | Compatible with all standard electric motors |
| Multiple tree options | Perfectly adapted to each specific application |
Available options
- Anti-rotation system on the crankcase
- Complete solutions with Eldro brake, hydraulic coupling and motor
- Integrated oil heater
- Oil flow sensor and oil filter
- Glass oil level indicator
- Special seals for harsh environments
- Torque arm for reaction absorption
- Coupling with D-series gearboxes for extended ratios
Areas of application
The B series gearboxes are designed for industrial applications requiring reliable power transmission with perpendicular shafts:
- Heavy industry - Conveyors, mixers, agitators, crushers
- Materials handling - Winches, overhead cranes, gantries, lifts
- Public works - Construction equipment, concrete mixers, compactors
- Mining industry - Crushers, screens, mining conveyors
- Energy - Industrial pumps, fans, and compressors
Competitive advantages
Maximum versatility
With 20 sizes covering torques from 4,850 to 345,000 Nm and ratios from 9.78 to 430, the B series is suitable for most industrial applications. Multiple mounting and output shaft options offer exceptional installation flexibility.
Industrial reliability
The combination of helical and bevel gears with high-capacity bearings ensures precise and durable power transmission. The GGG40 housing guarantees resistance to shock and vibration in the harshest industrial environments.
Integrated solutions
Brakes, couplings, and motors can be integrated onto a common chassis for complete drive solutions. Coupling with D-series gearboxes further expands the available transmission ratios.
Entry type
BT Series
With full entrance tree
BK Series
With IEC B5 motor flange
BV Series
With IEC B5 flange and motor
BT.20 Series
With two entrance trees
BK.20 Series
With IEC B5 flange and input shaft
Series BV.20
With motor and input shaft
BT + DR Series
Reducer with additional reducer
Output type
Series B.00
With hollow tree
Series B.01
With a solid tree
Series B.02
With solid shaft and flange
Series B.03
With hollow shaft and flange
Series B.04
With double full output shaft
Series B.05
With double output shaft and flange
Series B.08
With double hollow output shaft
B.0S Series
With clamping flange
Series B.0K
With grooved hollow shaft (DIN 5480)
Series B.1K
With solid grooved shaft (DIN 5480)
BB0A Series
Drywell with hollow output shaft
BB1A Series
Drywell with full output shaft
BBSA Series
Drywell with fret
B.TK Series
Couple arms
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