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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Beskrivning Pris 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-artikelnummer 810-0694
VarumärkeRS PRO
104,76 kr
Each
Enheter
8 → 19mm Gear coupling 32mm - - 16Nm - - 1mm - - - -
RS-artikelnummer 810-0707
VarumärkeRS PRO
191,23 kr
Each
Enheter
10 → 28mm Gear coupling 44mm - - 45Nm - - 1mm - - - -
RS-artikelnummer 810-0713
VarumärkeRS PRO
49,78 kr
Each
Enheter
- Gear coupling 48mm 37mm - - - - - 1mm - - - -
RS-artikelnummer 183-186
VarumärkeRS PRO
108,54 kr
Each
Enheter
25mm HRC Coupling - 29mm - - - - - - - - - -
RS-artikelnummer 810-0704
VarumärkeRS PRO
140,13 kr
Each
Enheter
10 → 24mm Gear coupling 36mm - - 20Nm - - 1mm - - - -
RS-artikelnummer 810-0690
VarumärkeRS PRO
88,31 kr
Each
Enheter
6 → 14mm Gear coupling 25mm - - 10Nm - - 1mm - - - -
RS-artikelnummer 184-779
VarumärkeRS PRO
194,30 kr
Each
Enheter
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 183-798
VarumärkeRS PRO
62,96 kr
Each
Enheter
32mm HRC Coupling - 29mm - - - - - - - - - -
RS-artikelnummer 183-805
VarumärkeRS PRO
104,86 kr
Each
Enheter
45mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 810-0726
VarumärkeRS PRO
76,35 kr
Each
Enheter
- Gear coupling 66mm 46mm - - - - - 1mm - - - -
RS-artikelnummer 183-811
VarumärkeRS PRO
128,99 kr
Each
Enheter
50mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 810-0717
VarumärkeRS PRO
56,83 kr
Each
Enheter
- Gear coupling 52mm 41mm - - - - - 1mm - - - -
RS-artikelnummer 184-785
VarumärkeRS PRO
108,54 kr
Each
Enheter
25mm HRC Coupling - 29mm - - - - - - - - - -
RS-artikelnummer 184-763
VarumärkeRS PRO
248,88 kr
Each
Enheter
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 184-735
VarumärkeRS PRO
170,69 kr
Each
Enheter
28mm HRC Coupling - 29mm - - - - - - - - - -
RS-artikelnummer 810-0729
VarumärkeRS PRO
111,51 kr
Each
Enheter
- Gear coupling 76mm 48mm - - - - - 1mm - - - -
RS-artikelnummer 183-209
VarumärkeRS PRO
194,30 kr
Each
Enheter
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 184-684
VarumärkeRS PRO
248,88 kr
Each
Enheter
42mm HRC Coupling - 38mm - - - - - - - - - -
RS-artikelnummer 183-782
VarumärkeRS PRO
39,55 kr
Each
Enheter
31mm HRC Coupling - 29mm - - - - - - - - - -
RS-artikelnummer 810-0710
VarumärkeRS PRO
36,08 kr
Each
Enheter
- Gear coupling 40mm 37mm - - - - - 1mm - - - -
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