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 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 Material
RS庫存編號 146-2838
製造零件編號WE5HMMPB
BrandTB Woods
HK$525.65
單位
- 137mm 135mm - 105Nm 1110Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2839
製造零件編號WE10HMMPB
BrandTB Woods
HK$848.40
單位
- 165mm 141mm - 164Nm 1790Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2848
製造零件編號WE30HMTL
BrandTB Woods
HK$1,583.87
單位
- 214mm 129mm - 412Nm 4770Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2840
製造零件編號WE20HMMPB
BrandTB Woods
HK$1,392.40
單位
- 187mm 173mm - 260Nm 3120Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2849
製造零件編號WE40HMTL
BrandTB Woods
HK$2,081.71
單位
- 247mm 149mm - 622Nm 7370Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2825
製造零件編號WE30M
BrandTB Woods
HK$3,225.47
單位
- 214mm 193mm - 412Nm 4770Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2831
製造零件編號WES10M
BrandTB Woods
HK$2,994.81
單位
- 165mm 223mm - 164Nm 1790Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2841
製造零件編號WE30HMMPB
BrandTB Woods
HK$2,032.26
單位
- 214mm 193mm - 412Nm 4770Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2826
製造零件編號WE40M
BrandTB Woods
HK$2,831.79
單位
- 247mm 207mm - 622Nm 7370Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2844
製造零件編號WE4HMTL
BrandTB Woods
HK$615.81
單位
- 115mm 87mm - 62Nm 607Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2834
製造零件編號WES40M
BrandTB Woods
HK$5,601.08
單位
- 247mm 302mm - 622Nm 7370Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2832
製造零件編號WES20M
BrandTB Woods
HK$3,463.73
單位
- 187mm 284mm - 260Nm 3120Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2828
製造零件編號WES3M
BrandTB Woods
HK$1,061.03
單位
- 108mm 204mm - 41Nm 532Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2842
製造零件編號WE40HMMPB
BrandTB Woods
HK$2,061.55
單位
- 247mm 207mm - 622Nm 7370Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2819
製造零件編號WE2M
BrandTB Woods
HK$1,100.18
單位
- 94mm 96mm - 22Nm 358Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2845
製造零件編號WE5HMTL
BrandTB Woods
HK$698.18
單位
- 137mm 100mm - 105Nm 1110Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2820
製造零件編號WE3M
BrandTB Woods
HK$1,212.55
單位
- 108mm 110mm - 41Nm 532Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2846
製造零件編號WE10HMTL
BrandTB Woods
HK$814.33
單位
- 165mm 103mm - 164Nm 1790Nm/rad - 1.6mm - - - - -
RS庫存編號 146-2824
製造零件編號WE20M
BrandTB Woods
HK$2,589.98
單位
- 187mm 173mm - 260Nm 3120Nm/rad - 2.4mm - - - - -
RS庫存編號 146-2829
製造零件編號WES4M
BrandTB Woods
HK$1,241.01
單位
- 115mm 213mm - 62Nm 607Nm/rad - 1.6mm - - - - -