Features

– Independent industrial gear unit platform with 23 sizes

– Single-piece or split gear unit housings

– Invertible gear unit housings

– Universal mounting positions

– Distinctive modular concept technology

– Diverse predefined optional equipment and options

– Customer-specific adaptations

– Areas of application: conveyor systems in various industries, mixers, and agitators, etc.

Advantages

– Reduced costs and weight due to high power density and finely stepped sizes

– Extremely robust gear unit housing

– Effective cooling systems

– Flexible mounting options

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical gear units X.F

2, 3 and 4 stages

6.3 – 450

6.8 – 475

Bevel-helical gear units X.K

2, 3 and 4 stages

6.3 – 450

6.8 – 475 1)

Bevel-helical gear units X.T

3 and 4 stages

12.5 – 450

6.8 – 175

Features

– Gear unit consists of the tried and tested components of the X series

– Three-stage helical-bevel gear unit with increased housing surface area for improved heat dissipation

– Increased cooling capacity due to efficient fan concept

– Comprehensive range of accessories of the X series

– Versatile shaft concepts

– Taconite sealing system

– Pressure lubrication and splash lubrication available

– Also available in ATEX design

– Standard backstop; optional torque-limited backstop

– Available as a complete package, e.g. including brake, swing bases, rigid flange coupling, condition monitoring, etc.

Advantages

– Efficient cooling concept eliminates the need for external cooling units and a larger gear unit

– Reliability especially in harsh environments

– Simplified maintenance – Two-piece housings

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Bevel-helical gear units X3K../HT/B

3 stages

12.5 – 90

58 – 475

Features

– 19 sizes

– Based on the X series with the successful gearmotor from SEW-EURODRIVE as auxiliary drive

– Auxiliary drive adapter with overrunning clutch and incremental encoder

– Mounted backstop

– Areas of application: conveyor systems in the most various industries, in particular for bucket elevators in bulk material handling applications

Advantages

– All drive components are perfectly matched

– Reliability thanks to speed monitoring

– High availability thanks to modular concept

– Extensive optional equipment available on request

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Bevel-helical gear units X3K.B..

3 stages

28 – 80

6.8 – 270

Features

– 8 sizes

– Gear unit consists of the tried and tested components of the X series

– Application-specific rolling bearing concept for absorbing external forces and bending moments

– Three-stage helical gear unit design with special vertical housing for optimized heat dissipation

– Modular helical and bevel-helical gear unit design based on the universal housing of the X series can be used universally

– Foot-mounted and flange-mounted designs available

– Efficient sealing system including drywell seal

– Available with pressure lubrication or oil bath lubrication

– Also available in ATEX design

– Areas of application: agitators, surface aerators, flotation cells, etc.

Advantages

– Gear unit housing is perfectly designed for agitator applications

– High availability due to modular and widely used X series

– Consumption of high loads directly on the gear shaft possible. The systematical use of additional rolling bearings in the application is not necessary

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical gear units with vertical housing

3 stages

20 – 100

22 – 90

Helical and bevel-helical gear units with universal housing

2 to 4 stages

6.3 – 450

22 – 90

Features

– Independent industrial gear unit series with 8 sizes

– Modular concept

– Special solutions can be realized

– Block housing without parting line

– Universal mounting positions

– All commercially available connection elements are possible at the input and output sides

– EBD concept with predefined bearing types depending on the required profile and application

– Optional variable flange geometries and “drywell” version

– Areas of application: conveyor systems in various industries, mixers, agitators, shredders and crushers, etc.

Advantages

– High power density

– Sturdy unit due to block housing

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical gear units MC.P..

2 and 3 stages

7.1 – 112

6 – 65

Bevel-helical gear units MC.R..

2 and 3 stages

7.1 – 112

6 – 65

Features

– 5 sizes

– Improved extended housing for motor

– Drywell

– Shaft end pump for pressure lubrication

– Cooling fan

– Backstop, internal design

– Areas of application:

this gear unit series is tailored for use in air-cooled condensers

– Optional:

- On request: special gear ratio

- Explosion protection

Advantages

– Optimized thermal rating

– High degree of housing stiffness

– High permitted axial load on output shafts

– Reliable surface treatment for use under aggressive ambient conditions

Gear unit design MACC series

H

W

L

Gear ratio i

Nominal torque MN2 kNm

05

484

480

897

9 – 25

21

06

516

530

992

28

07

540

570

1 055

37

08

585.5

716

1 187

51

09

606

730

1 267

66

Features

– 11 sizes

– Foot-mounted helical gear units

– Oil heater available

– Sealing system also for harsh conditions

– Cooling with fan or cooling coil

– Rigid housing design for thermal efficiency and stability

– Optional accessories available

– Areas of application: pump drives or rollers and refiners in the paper industry

Advantages

– Very easy maintenance due to horizontally split housing design

– Optimized thermal power

– Gear unit for smaller gear ratios for increased energy efficiency and cost-effectiveness in many applications

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical gear units M1N

1 stage

1.25 – 7.1

4.5 – 168

Features

– 5 sizes

– Housing in welded construction with parting line

– Horizontal mounting position

– Areas of application: hoists in crane construction, mill drives in raw material processing, special machines and stand-alone machines, etc.

Advantages

– Flexible due to the welded construction of the housing

– Service friendly due to the parting line

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical gear units ML.P..

2, 3 and 4 stages

5.6 – 315

180 – 680

Bevel-helical gear units ML.R..

3, 4 and 5 stages

14 – 1 250

180 – 680

Features

– 11 sizes

– Transmission of high torques for powerful movement of large quantities

NEW: with torque increase

– NEW: additional output shaft variants

– Particularly compact design for limited space

– High permitted radial loads

– Primary gear units in helical and bevel-helical version can be combined with the planetary gear unit

– Areas of application: construction materials industry, cement industry, process engineering, steel industry, materials handling, and waste water industry

Advantages

– Perfectly matched units (gear unit and motor)

– Large range of options due to the SEW-EURODRIVE modular concept

– Short, compact design as there is no need for couplings and adapter flanges

– Standardized units for ideal cost/benefit ratio and short delivery times

– High gear ratios possible

Gear unit design

Stages

Gear ratio i

Nominal torque MN2 kNm

Helical planetary gear units (gearmotors) P.RF..

4 and 5 stages

100 – 4 000

24 – 630

Bevel-helical planetary gear units (gearmotors) P.KF

5 stages

140 – 4 000

24 – 630