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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Description Price 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庫存編號 808-7190
製造零件編號VIVA-V150-ELEMENT
BrandRexnord
TWD7,984.00
單位
- Tyre Coupling 150mm - - 250Nm - - 1.6mm 6.1mm - - -
RS庫存編號 174-7275
製造零件編號MBC19-6-5-A
BrandRuland
TWD3,325.00
單位
6mm Bellows Coupling 19.1mm 30.2mm Clamping 4.5Nm 14°/Nm - 1.5° 0.1 0.25mm Stainless Steel - -
RS庫存編號 423-1731
製造零件編號MJC25-8-A
BrandRuland
TWD665.00
單位
8mm Curved Jaw Coupling 25.4mm 11.9mm Clamp - - - - - - - - -
RS庫存編號 186-4134
製造零件編號MJS15-5-A
BrandRuland
TWD585.00
單位
5mm - 15mm 21.8mm Set Screw - - - - - - Aluminium - -
RS庫存編號 174-7218
製造零件編號MBS41-20-20-A
BrandRuland
TWD4,005.00
單位
20mm Bellows Coupling 41.3mm 50.8mm Set Screw 28Nm 63°/Nm - 0.25mm 0.5mm Stainless Steel - -
RS庫存編號 174-7226
製造零件編號MJC51-14-A
BrandRuland
TWD2,063.00
單位
14mm Curved Jaw Coupling 50.8mm 61mm Clamp - - - - - - - - -
RS庫存編號 693-2518
製造零件編號550.45.4242
BrandHuco
TWD2,817.00
單位
16mm Bellows Coupling 45mm 19.5mm Set Screw 22.3Nm 20000Nm/rad 3560kg/m² 1.5° 0.2mm 0.5mm Stainless Steel - -
RS庫存編號 693-2489
製造零件編號530.26.2828
BrandHuco
TWD1,905.00
單位
12mm Bellows Coupling 26mm 37.5mm Set Screw 4.62Nm 755Nm/rad 350 x 10^-8kg/m² 0.06mm 0.36mm Stainless Steel - -
RS庫存編號 808-7125
製造零件編號OMEGA-ES40-ELEMENT
BrandRexnord
TWD19,593.00
單位
- Tyre Coupling 9.5in - - 621Nm - - 0.094in 0.25in - - -
RS庫存編號 171-6697
製造零件編號721.32.3535
BrandHuco
TWD3,030.00
單位
12mm MultiBeam 3 Beam 31.8 44.5mm - 10Nm 378Nm/rad - 0.12 - Stainless Steel - -
RS庫存編號 808-7248
製造零件編號VIVA-V150-HUB-T/L
BrandRexnord
TWD4,084.00
單位
- Tyre Coupling 150mm - - 250Nm - - - - - - - -
RS庫存編號 693-2411
製造零件編號536.26.2828
BrandHuco
TWD1,710.00
單位
12mm Bellows Coupling 26mm 37.5mm Clamping 2.43Nm 755Nm/rad 330 x 10^-8kg/m² 0.06mm 0.36mm Stainless Steel - -
RS庫存編號 221-948
製造零件編號470.33.3131
BrandHuco
TWD2,321.00
單位
3/8in Disc (Membrane) 33.5mm 50.8mm - - - 760 x 10^-8kg/m² - - - Aluminium - -
RS庫存編號 174-7267
製造零件編號JD32/51-98R
BrandRuland
TWD580.00
單位
- Curved Jaw Coupling 50.8mm - - - - - 0.8° 0.13mm 1.27mm - - -
RS庫存編號 186-4111
製造零件編號FCMR38-10-10-SS
BrandRuland
TWD11,438.00
單位
10mm - 38.1mm 57.2mm Clamping - 0.14°/Nm 83.407 x 10^-6kg/m² 0.76mm 0.38mm Stainless Steel - -
RS庫存編號 862-5770
製造零件編號F60FTBFLG
BrandSKF
TWD1,270.00
單位
- Tyre Coupling 165mm 41.5mm - 318Nm 26Nm/rad - 1.6mm 2mm - - -
RS庫存編號 186-4135
製造零件編號MJS15-6-A
BrandRuland
TWD585.00
單位
6mm - 15mm 21.8mm Set Screw - - - - - - Aluminium - -
RS庫存編號 808-7134
製造零件編號OMEGA-E2-HUB-PB
BrandRexnord
TWD1,797.00
單位
28mm Tyre Coupling - - - 21Nm - - - - - - - -
RS庫存編號 171-6704
製造零件編號707.25.3232
BrandHuco
TWD1,113.00
單位
- MultiBeam 6 Beam 25.4 38.1mm - 10Nm 108Nm/rad - 0.38 - Aluminium - -
RS庫存編號 306-2679
製造零件編號633520
TWD352.00
單位
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