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 Misalignment - Angular Misalignment - Parallel Misalignment - Axial Bellows Material
RS-stocknr. 837-1066
FabrikantnummerL090
FabrikantSKF
21,13 €
Each
Aantal stuks
9mm Jaw Coupling 54mm 21mm - - - - - - -
RS-stocknr. 837-1085
FabrikantnummerL090/095NR
FabrikantSKF
4,90 €
Each
Aantal stuks
- Jaw Coupling 54mm - - - - 0.38mm - -
RS-stocknr. 837-1050
FabrikantnummerL050
FabrikantSKF
11,31 €
Each
Aantal stuks
6mm Jaw Coupling 27.5mm 16mm - - - - - - -
RS-stocknr. 862-5792
FabrikantnummerF70NRTYRE
FabrikantSKF
20,78 €
Each
Aantal stuks
- Tyre Coupling 187mm 43.5mm - 487Nm - 1.9mm 2.3mm -
RS-stocknr. 862-5795
FabrikantnummerF80FRTYRE
FabrikantSKF
41,16 €
Each
Aantal stuks
- Tyre Coupling 211mm 44.5mm - 759Nm - 2.1mm 2.6mm -
RS-stocknr. 862-5824
FabrikantnummerF100FTBFLG
FabrikantSKF
113,09 €
Each
Aantal stuks
- Tyre Coupling 254mm 64.5mm - 1517Nm - 2.6mm 3.3mm -
RS-stocknr. 862-5799
FabrikantnummerF80FTBFLG
FabrikantSKF
78,82 €
Each
Aantal stuks
- Tyre Coupling 211mm 57.5mm - 759Nm - 2.1mm 2.6mm -
RS-stocknr. 862-5828
FabrikantnummerF100HTBFLG
FabrikantSKF
113,09 €
Each
Aantal stuks
- Tyre Coupling 254mm 58.5mm - 1517Nm - 2.6mm 3.3mm -
RS-stocknr. 862-5802
FabrikantnummerF80NRTYRE
FabrikantSKF
33,46 €
Each
Aantal stuks
- Tyre Coupling 211mm 44.5mm - 759Nm - 2.1mm 2.6mm -
RS-stocknr. 862-5859
FabrikantnummerF120FTBFLG
FabrikantSKF
196,31 €
Each
Aantal stuks
- Tyre Coupling 314mm 79.5mm - 3547Nm - 3.2mm 4mm -
RS-stocknr. 862-5806
FabrikantnummerF90FRTYRE
FabrikantSKF
47,50 €
Each
Aantal stuks
- Tyre Coupling 235mm 58.5mm - 1096Nm - 2.4mm 3mm -
RS-stocknr. 862-5830
FabrikantnummerF110FRTYRE
FabrikantSKF
103,07 €
Each
Aantal stuks
- Tyre Coupling 279mm 63.5mm - 2137Nm - 2.9mm 3.7mm -
RS-stocknr. 862-5843
FabrikantnummerF110HTBFLG
FabrikantSKF
138,40 €
Each
Aantal stuks
- Tyre Coupling 279mm 63.5mm - 2137Nm - 2.9mm 3.7mm -
RS-stocknr. 862-5786
FabrikantnummerF70FRTYRE
FabrikantSKF
34,74 €
Each
Aantal stuks
- Tyre Coupling 187mm 36.5mm - 487Nm - 1.9mm 2.3mm -
RS-stocknr. 862-5852
FabrikantnummerF120HTBFLG
FabrikantSKF
171,08 €
Each
Aantal stuks
- Tyre Coupling 314mm 65.5mm - 3547Nm - 3.2mm 4mm -
RS-stocknr. 862-5846
FabrikantnummerF110NRTYRE
FabrikantSKF
61,88 €
Each
Aantal stuks
- Tyre Coupling 279mm 63.5mm - 2137Nm - 2.9mm 3.7mm -
RS-stocknr. 862-5815
FabrikantnummerF90FTBFLG
FabrikantSKF
93,61 €
Each
Aantal stuks
- Tyre Coupling 235mm 58.5mm - 1096Nm - 2.4mm 3mm -
RS-stocknr. 837-1072
FabrikantnummerL070NR
FabrikantSKF
1,87 €
Each
Aantal stuks
- Jaw Coupling 35mm - - - - 0.38mm - -
RS-stocknr. 837-1079
FabrikantnummerL050NR
FabrikantSKF
2,14 €
Each
Aantal stuks
- Jaw Coupling 27.5mm - - - - 0.38mm - -
RS-stocknr. 837-1108
FabrikantnummerL095
FabrikantSKF
30,30 €
Each
Aantal stuks
9mm Jaw Coupling 54mm 25mm - - - - - - -