Couplings

Couplings are used to join two shafts together for the purpose of transmitting power.


Couplings can be either material flexing or mechanical flexing.


Typical uses for couplings are motor to pump, motor to gear box and motor to electric actuator.


Factors to consider unless you are replacing a like for like coupling are:


  • Horsepower of the motor

  • RPM

  • BSE (the distance between shaft ends

  • Operating temperature

  • Space available

  • Run cycle

  • Angular, parallel or axial misalignment handling

There are many different types of couplings available and many factors should be considered before deciding on a specific type.


Some of the types of couplings available:


General purpose, backlash free, flexible beam couplings feature multiple helical cuts and are machined from one piece material. They have 0.4 to 12 Nm nominal torque range and reduces wind-up compared to single beam coupling. Flexible beam couplings are used in a variety of motion-control applications, from aviation and lab equipment to robotics and medical devices. A common industrial application arises when a motor is connected to a pump. Factory automation equipment and other machine tools rely on flexible beam couplings to transmit power from a motor source.


Bellows couplings are made of a thin-walled, flexible metal corrugation (bellows) that is connected between two clamping hubs. They are designed to create a low inertia zero-backlash coupling which will last a long time without maintenance. Bellows couplings can accommodate all forms of misalignment and have a balanced design for reduced vibration at high speeds. They’re best suited for applications where precise positioning is required, such as in material handling or general automation and assembly.


Jaw couplings are used within electrical motor and internal combustion systems to transmit power (torque). They are designed to connect two shafts, enabling smooth torque transmission and reducing loss of power. Jaw couplings work by preventing shock loading (the sudden and drastic increase of load in a system) and/or accommodating shaft misalignment where this has been caused by thermal expansion or manufacturing inefficiencies.


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Omschrijving Prijs Bore Coupling Types Outside Diameter Length Fastening Type Torque Rating Torsional Stiffness Moment of Inertia Misalignment - Angular Misalignment - Parallel Misalignment - Axial Bellows Material Shore Hardness Suitable For Use With
RS-stocknr. 810-0694
FabrikantRS PRO
10,88 €
Each
Aantal stuks
8 → 19mm Gear coupling 32mm - - 16Nm - - 1mm - - - -
RS-stocknr. 810-0726
FabrikantRS PRO
7,92 €
Each
Aantal stuks
- Gear coupling 66mm 46mm - - - - - 1mm - - - -
RS-stocknr. 810-0729
FabrikantRS PRO
11,58 €
Each
Aantal stuks
- Gear coupling 76mm 48mm - - - - - 1mm - - - -
RS-stocknr. 810-0707
FabrikantRS PRO
19,85 €
Each
Aantal stuks
10 → 28mm Gear coupling 44mm - - 45Nm - - 1mm - - - -
RS-stocknr. 183-782
FabrikantRS PRO
4,11 €
Each
Aantal stuks
31mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 810-0690
FabrikantRS PRO
9,17 €
Each
Aantal stuks
6 → 14mm Gear coupling 25mm - - 10Nm - - 1mm - - - -
RS-stocknr. 183-192
FabrikantRS PRO
16,78 €
Each
Aantal stuks
28mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 184-785
FabrikantRS PRO
11,27 €
Each
Aantal stuks
25mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 810-0717
FabrikantRS PRO
5,90 €
Each
Aantal stuks
- Gear coupling 52mm 41mm - - - - - 1mm - - - -
RS-stocknr. 184-763
FabrikantRS PRO
25,83 €
Each
Aantal stuks
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-stocknr. 183-798
FabrikantRS PRO
6,53 €
Each
Aantal stuks
32mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 183-811
FabrikantRS PRO
13,39 €
Each
Aantal stuks
50mm HRC Coupling - 38mm - - - - - - - - - -
RS-stocknr. 183-209
FabrikantRS PRO
20,17 €
Each
Aantal stuks
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-stocknr. 183-186
FabrikantRS PRO
11,27 €
Each
Aantal stuks
25mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 184-735
FabrikantRS PRO
17,72 €
Each
Aantal stuks
28mm HRC Coupling - 29mm - - - - - - - - - -
RS-stocknr. 184-684
FabrikantRS PRO
25,83 €
Each
Aantal stuks
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-stocknr. 184-779
FabrikantRS PRO
20,17 €
Each
Aantal stuks
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-stocknr. 810-0713
FabrikantRS PRO
5,17 €
Each
Aantal stuks
- Gear coupling 48mm 37mm - - - - - 1mm - - - -
RS-stocknr. 810-0704
FabrikantRS PRO
14,54 €
Each
Aantal stuks
10 → 24mm Gear coupling 36mm - - 20Nm - - 1mm - - - -
RS-stocknr. 810-0710
FabrikantRS PRO
3,75 €
Each
Aantal stuks
- Gear coupling 40mm 37mm - - - - - 1mm - - - -
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