FLENDER Helical and Bevel-Helical Gear Units

Standard gear unit which can be installed horizontally or vertically
Nominal torque range from TKN = 3,100 Nm to 1,400,000 Nm with 28 sizes
Nominal transition range from i = 1.25 to 450

The FLENDER® helical and bevel-helical gear unit portfolio is by far the most comprehensive range of industrial gear units in the world.

It includes a multifaceted range of universal gear units, application-specific gear units and customer-specific solutions.

Price, performance and reliability – the universal gear unit solution

Today, our standardized industrial gear units are especially important due to their high level of availability, their quality and their attractive price-performance ratio. The reliable and highly sophisticated FLENDER universal solutions are the measure of all things for machinery and plant manufacturers in the global gear unit industry. This range of models has it all.

Our selection of universal gear unit designs is perfectly supplemented by a wide range of standard options such as motor bell housings, backstops and taconite seals. For this reason, our portfolio provides a nearly unlimited variety of design options.

The gear units’ compact design, the choice between horizontal and vertical installation, the various mounting types (base- or shaft-mounted gear units) and the simple attachment of auxiliary components provide you with maximum flexibility when designing your plant.

Diversity and flexibility – the application solutions

With its range of FLENDER helical gear units, today, Siemens has by far the largest number of application-specific solutions and is thus able to meet almost all drive technology requirements in hundreds of industrial and raw material extraction applications.

Advantages and services

Highest level of reliability and fail-safe operation
Huge modular system with countless universal versions and application solutions for an uncompromising selection of gear units
Close to your desired torque: comprehensive, almost seamless torque spectrum ranging from 3,300 to 1,400,000 Nm
Short delivery times
Rapid worldwide availability
Attractive price-performance ratio
Comprehensive accessory program
Five output shaft versions for easy connection to the work machine
IDS (Integrated Drive Systems) for perfect adjustment and control
Quick project planning, elimination of interface risks and minimum life cycle costs

Application examples

Conveyor drives
Bucket conveyor drives
Agitator drives
Hoist drives
Running gear drives
Paper machine drives
Dryer drives
Water screw drives
Crushers

Helical gear unit in horizontal mounting position

Shaft design: Solid shaft

Single-stage	Two-stage	Three-stage	Four-stage
H1SH01	H2SH03	H3SH05	H4SH07
H1SH02	H2SH04	H3SH06	H4SH08
H1SH03	H2SH05	H3SH07	H4SH09
H1SH04	H2SH06	H3SH08	H4SH10
H1SH05	H2SH07	H3SH09	H4SH11
H1SH06	H2SH08	H3SH10	H4SH12
H1SH07	H2SH09	H3SH11	H4SH13
H1SH08	H2SH10	H3SH12	H4SH14
H1SH09	H2SH11	H3SH13	H4SH15
H1SH10	H2SH12	H3SH14	H4SH16
H1SH11	H2SH13	H3SH15	H4SH17
H1SH12	H2SH14	H3SH16	H4SH18
H1SH13	H2SH15	H3SH17	H4SH19
H1SH14	H2SH16	H3SH18	H4SH20
H1SH15	H2SH17	H3SH19	H4SH21
H1SH16	H2SH18	H3SH20	H4SH22
H1SH17	H2SH19	H3SH21	H4SH23
H1SH18	H2SH20	H3SH22	H4SH24
H1SH19	H2SH21	H3SH23	H4SH25
	H2SH22	H3SH24	H4SH26
	H2SH23	H3SH25
	H2SH24	H3SH26
	H2SH25
	H2SH26

Bevel-helical gear unit in horizontal installation position

Shaft design: Solid shaft

Two-stage	Three-stage	Four-stage
B2SH01	B3SH03	B4SH05
B2SH02	B3SH04	B4SH06
B2SH03	B3SH05	B4SH07
B2SH04	B3SH06	B4SH08
B2SH05	B3SH07	B4SH09
B2SH06	B3SH08	B4SH10
B2SH07	B3SH09	B4SH11
B2SH08	B3SH10	B4SH12
B2SH09	B3SH11	B4SH13
B2SH10	B3SH12	B4SH14
B2SH11	B3SH13	B4SH15
B2SH12	B3SH14	B4SH16
B2SH13	B3SH15	B4SH17
B2SH14	B3SH16	B4SH18
B2SH15	B3SH17	B4SH19
B2SH16	B3SH18	B4SH20
B2SH17	B3SH19	B4SH21
B2SH18	B3SH20	B4SH22
	B3SH21	B4SH23
	B3SH22	B4SH24
	B3SH23	B4SH25
	B3SH24	B4SH26
	B3SH25
	B3SH26

Our brands

CURRAX has been focusing on cooperation with strong partners for years. SIEMENS, FLENDER and INNOMOTICS are a conscious commitment to quality and service.

Years of cooperation have affirmed their mutual trust, allowing us to set the optimal conditions for our customers.