H / B Industrial Gearboxes

MANUFACTURER DOCUMENTATION

Overview

Modular helical and bevel-helical gearboxes for industrial drives. H and B have different ratio and power envelopes; size, mounting, thermal capacity and service factor determine the final selection.

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Published series specifications

Series ranges describe the product family. They are not interchangeable operating points.

H output torque

6.7–1,030 kNm

H ratio

5.6–450

H input power

10–15,775 kW

B output torque

6.2–1,030 kNm

B ratio

5–400

B input power

4.2–6,958 kW

Stages

2 / 3 / 4

Model configuration table

The source page provides a series overview rather than a complete model/ratio rating table. Use the manufacturer link above for selection drawings and confirm the precise operating point before ordering.

Before you specify this gearbox

Helical gearboxes are used in a broad range of industrial drives. Mounting position, service factor, thermal capacity and lubrication are part of selection, not just the nameplate power.

• Confirm continuous, peak and emergency-stop load limits separately.
• Match the motor flange, shaft, mounting orientation and lubrication requirements.
• Request the current drawing revision and selection calculation from the manufacturer.

Related products

NGC

MHB Standard Industrial Gearboxes

NGC’s modular MHB family includes helical and bevel-helical arrangements, multiple output modes and application-specific accessories for industrial machinery.

Series torque range

2–1,400 kN·m (2,000–1,400,000 Nm)

Speed ratio range

1.25–450

Architectures

Helical / bevel-helical

View specifications →

EVERGEAR

ER Helical Geared Reducers

Coaxial helical reducer family with foot and flange mounting. These specifications follow the current Chinese ER product page; confirm a model-specific selection before using the maximum output torque in a design.

Output speed range

0.13–1,116 rpm

Motor power range

0.18–160 kW

Maximum output torque

18,000 Nm, series maximum

View specifications →