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
Nieuw
RS-stocknr. 196-7674
Fabrikantnummer592.56.4646
FabrikantHuco
120,34 €
Each
Aantal stuks
19mm Bellows Coupling 56mm 65mm Clamp 30Nm 38000Nm/rad 13930 1.5° 0.15mm 0.6mm Stainless Steel - -
Nieuw
RS-stocknr. 203-2415
FabrikantnummerROTEXGS14-COMPLETE
FabrikantKTR
26,72 €
Each
Aantal stuks
16mm Curved Jaw Coupling 30mm 35mm - 12.5Nm - - 0.9° 0.09mm +1.0 → -0.5mm - - -
RS-stocknr. 808-7241
FabrikantnummerVIVA-V125-HUB-T/L
FabrikantRexnord
66,99 €
Each
Aantal stuks
- Tyre Coupling 120mm - - 105Nm - - - - - - - -
RS-stocknr. 693-2518
Fabrikantnummer550.45.4242
FabrikantHuco
65,58 €
Each
Aantal stuks
16mm Bellows Coupling 45mm 19.5mm Set Screw 22.3Nm 20000Nm/rad 3560kg/m² 1.5° 0.2mm 0.5mm Stainless Steel - -
RS-stocknr. 693-2451
Fabrikantnummer554.45.5252
FabrikantHuco
74,91 €
Each
Aantal stuks
25mm Bellows Coupling 45mm 63mm Clamping 8Nm 20000Nm/rad 3560 x 10^-8kg/m² 1.5° 0.2mm 0.5mm Stainless Steel - -
RS-stocknr. 837-1054
FabrikantnummerL070
FabrikantSKF
12,44 €
Each
Aantal stuks
9mm Straight Jaw Coupling 35mm 19mm Set Screw - - - - - - - - -
Nieuw
RS-stocknr. 196-7715
Fabrikantnummer554.66.4949
FabrikantHuco
128,88 €
Each
Aantal stuks
22mm Bellows Coupling 66mm 79mm Clamp 60Nm 75000Nm/rad 31360 1.5° 0.15mm 0.6mm Stainless Steel - -
RS-stocknr. 174-7186
FabrikantnummerMBC41-12-12-A
FabrikantRuland
119,75 €
Each
Aantal stuks
12mm Bellows Coupling 41.3mm 50.8mm Clamping 28Nm 63°/Nm - 0.25mm 0.5mm Stainless Steel - -
RS-stocknr. 174-7237
FabrikantnummerMJC57-32-A
FabrikantRuland
73,17 €
Each
Aantal stuks
32mm Curved Jaw Coupling 57.2mm 80mm Clamp - - - - - - - - -
RS-stocknr. 693-0865
Fabrikantnummer852.25.22
FabrikantHuco
16,05 €
Each
Aantal stuks
6mm Oldham (Sliding disc) 25.4mm - - - - - - - - - - -
RS-stocknr. 693-2515
Fabrikantnummer530.41.4848
FabrikantHuco
36,00 €
Each
Aantal stuks
20mm Bellows Coupling 41mm 49.7mm Set Screw 7.61Nm 2880Nm/rad 2490 x 10^-8kg/m² 2.5° 0.15mm 0.8mm Stainless Steel - -
RS-stocknr. 701-9130
FabrikantnummerMJC41-10-A
FabrikantRuland
25,88 €
Each
Aantal stuks
10mm Curved Jaw Coupling 41.3mm 53mm Clamp - - - - - - - - -
Nieuw
RS-stocknr. 203-2441
FabrikantnummerROTEXGS42-64SHEL
FabrikantKTR
35,30 €
Each
Aantal stuks
- Curved Jaw Coupling 95mm - - 560Nm - - 0.8° 0.1mm +2.0 → -1.0mm - - -
Nieuw
RS-stocknr. 203-2414
FabrikantnummerROTEXGS14-PB-ALIHUB
FabrikantKTR
11,59 €
Each
Aantal stuks
16mm Curved Jaw Coupling 30mm 11mm - - - - - - - - - -
Nieuw
RS-stocknr. 203-2440
FabrikantnummerROTEXGS42-98SHEL
FabrikantKTR
23,10 €
Each
Aantal stuks
- Curved Jaw Coupling 95mm - - 450Nm - - 0.9° 0.14mm +2.0 → -1.0mm - - -
RS-stocknr. 809-0764
Fabrikantnummer047.30.3232.RS
FabrikantHuco
17,44 €
Each
Aantal stuks
10mm Double Loop Elastomer - 56mm - 5Nm - - 15° - 8.5mm - - -
RS-stocknr. 693-2512
Fabrikantnummer550.45.4848
FabrikantHuco
65,58 €
Each
Aantal stuks
20mm Bellows Coupling 45mm 19.5mm Set Screw 22.3Nm 20000Nm/rad 3560kg/m² 1.5° 0.2mm 0.5mm Stainless Steel - -
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