Metal Bellows Couplings: ETH-messtechnik gmbh

Miniature Metal Bellows Coupling with set screws 

• Backlash-free miniature metal bellows coupling with radial set screws 
• For shaft diameters from 1 – 24 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Very cost-effective design 
• Perfect bellows coupling for encoders, tachometers, potentiometers 
• Torque range: 0,05 – 10 Nm

Datasheet

STEP-File

Assembly instruction

Miniature Metal Bellows Coupling axial pluggable 

• Backlash-free miniature metal bellows coupling with radial set screws 
• For shaft diameters from 3 – 25 mm
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Axial pluggable design
• Perfect bellows coupling for encoders, tachometers, potentiometers 
• Torque range: 0,5 – 10 Nm

Datasheet

STEP-File 

Assembly instruction

Miniature Metal Bellows Coupling with collet clamps 

• Backlash-free miniature metal bellows coupling with clamp hubs
• For shaft diameters from 1 – 25mm
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Easy assembly with friction-locked clamp hubs 
• Perfect bellows coupling for encoders, tachometers, potentiometers, servo drives, NC axis, stepper motors 
• Torque range: 0,1 – 10Nm

Datasheet

STEP-File

Assembly instruction

Miniature Metal Bellows Coupling with split hubs 

• Backlash-free miniature metal bellows coupling with split hubs 
• For shaft diameters from 3 – 25 mm
• High torsional stiffness, compensation of shaft misalignment at low restoring forces
• Radial assembly! Due to the split hub design shafts can be mounted and adjusted before the assembly of the coupling 
• Perfect bellows coupling for servo drives, e.g. in testing equipment, automation techniques, packing machines,
• Torque range: 0,5 – 10 Nm

Datasheet

STEP-File

Assembly instruction

Miniature Metal Bellows Coupling axial pluggable, with collet clamps 

• Backlash-free miniature metal bellows coupling with clamp hubs 
• For shaft diameter from 3 – 25 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Easy assembly with friction-locked clamp hubs 
• Perfect bellows coupling for encoders, tachometers, potentiometers, servo drives, NC axis, stepper motors 
• Torque range: 0,5 – 10 Nm
• Axial pluggable

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling with collet clamps 

• Backlash-free metal bellows coupling with clamp hubs 
• Hub material: up to 60Nm – aluminum, up from 80Nm - steel 
• For shaft diameters from 10 – 80 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Easy to assemble 
• Perfect bellows coupling for connecting servo motors, e.g. in machine tools, automation techniques, packing machines, wood working machines 
• Torque range: 18 – 1400 Nm

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling with collet clamps / Hub material: aluminum

• Backlash-free metal bellows coupling with clamp hubs 
• Hub material: aluminum 
• Alternatively to steel executions we recommend our series KB4AL from size 80 - 500 
• For shaft diameters from 10 – 70 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Easy assembly and low inertia 
• Perfect bellows coupling for connecting servo motors, e.g. in machine tools, automation techniques, packing machines, wood working machines
• Torque range: 18 – 500 Nm

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling with collet clamps, compact

• Backlash-free metal bellows coupling with compact clamp hubs
• For shaft diameters from 10 – 70 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Perfect bellows coupling for connecting servo motors, e.g. in machine tools, automation techniques, packing machines, wood working machines
• Torque range: 18 – 1400 Nm

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling with split hubs 

• Backlash-free metal bellows coupling with split hubs 
• For shaft diameters from 10 – 80 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Radial assembly! Due to the split hub design shafts can be mounted and adjusted before the assembly of the coupling 
• Perfect bellows coupling for servo drives, e.g. in testing equipment, automation techniques, packing machines
• Torque range: 18 – 1400 Nm

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling with split hubs 

• Backlash-free metal bellows coupling with compact split hubs 
• For shaft diameters from 10 – 70 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Radial assembly! Due to the split hub design shafts can be mounted and adjusted before the assembly of the coupling 
• Leightweight ~ space saving ~ fast assembly / disassembly 
• Torque range: 18 – 500 Nm

Datasheet

STEP-File

Assembly instruction

Backlash-free metal bellows coupling in compact design for highest torques

• For shaft diameters from 10 – 70mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Perfect bellows coupling for servo drives, e.g. in testing equipment, automation techniques, packing machines
• Torque range: 40 – 1500Nm

Datasheet

STEP-File

Assembly instruction

Metal Bellows Coupling axial pluggable 

• Backlash-free metal bellows coupling as axial pluggable execution 
• Easy assembly / disassembly by simply plugging / pulling the coupling parts
• High tensile aluminum and special coatings ensure a durable solution at low mass / inertia
• For shaft diameters from 10 – 70 mm 
• High torsional stiffness, compensation of shaft misalignment at low restoring forces 
• Perfect bellows coupling for servo drives, e.g. in testing equipment, automation techniques, packing machines 
• Torque range: 18 – 500 Nm

Datasheet

STEP-File

Assembly instruction