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 Misalignment - Angular Misalignment - Parallel Misalignment - Axial Bellows Material
RS庫存編號 693-0809
製造零件編號452H41.35
BrandHuco
TWD541.00
單位
12mm Oldham Coupling 41.3mm - - - - - - - -
RS庫存編號 808-7358
製造零件編號ROTEX42-98SHEL-KTR
BrandKTR
TWD782.00
單位
- Jaw Coupling - - - - - 0.32mm -1 mm, +2mm -
RS庫存編號 808-7351
製造零件編號ROTEX42-64SHEL-KTR
BrandKTR
TWD1,319.00
單位
- Jaw Coupling - - - - - 0.55° 0.16mm -1 mm, +2mm -
RS庫存編號 808-7294
製造零件編號ROTEX24-64SHEL-KTR
BrandKTR
TWD383.00
單位
- Jaw Coupling - - - - - 0.45° 0.11mm -0.5 mm, +1.4mm -
RS庫存編號 364-3060
製造零件編號PSR12-4-4-A
BrandRuland
TWD940.00
單位
- Beam Coupling 0.75in 0.9in - 19lb/in - 0.008in 0.005in -
RS庫存編號 477-9801
製造零件編號FCMR25-6-6-A
BrandRuland
TWD1,547.00
單位
- Beam Coupling 25.4mm 38.1mm - 3.95Nm - 0.381mm 0.254mm -
RS庫存編號 364-3127
製造零件編號PCR12-4-4-A
BrandRuland
TWD1,114.00
單位
4mm Beam Coupling 0.75in 0.9in - 19lb/in - 0.008in 0.005in -
RS庫存編號 692-8103
製造零件編號236.25
BrandHuco
TWD816.00
毎包:10 個
Bag(s)
- Oldham Coupling - - - 4Nm - 0.5° 0.2mm 0.1mm -
RS庫存編號 750-6732
製造零件編號E69-C06B
BrandOmron
TWD815.00
單位
6mm Beam Coupling 15mm 22mm - 0.8Nm - 0.5mm 0.4mm -
RS庫存編號 410-6512
製造零件編號RS1761026
BrandHengstler
TWD461.00
單位
- - 15mm 20mm - 70Ncm - 2.5° 0.3mm 0.2mm -
RS庫存編號 745-8100
製造零件編號MOCT41-12-A
BrandRuland
TWD828.00
單位
12mm Oldham Coupling 41.3mm - - - - - - - -
RS庫存編號 814-534
製造零件編號FCMR32-12-12-A
BrandRuland
TWD2,109.00
單位
12mm Jaw Coupling 31.75mm 44.45mm - - - - - - -
RS庫存編號 693-0887
製造零件編號852.41.35
BrandHuco
TWD948.00
單位
12mm Oldham Coupling 41.3mm - - - - - - - -
RS庫存編號 809-0727
製造零件編號047.10.2222.RS
BrandHuco
TWD589.00
單位
6mm Specialist Coupling - 27mm - 0.5Nm - 10° - 4.5mm -
RS庫存編號 869-1711
製造零件編號BOWEXM28-SLEEVE-PB
BrandKTR
TWD498.00
單位
- Gear Coupling 65mm 46mm - - - - - - -
RS庫存編號 862-5846
製造零件編號F110NRTYRE
BrandSKF
TWD2,408.00
單位
- Tyre Coupling 279mm 63.5mm - 2137Nm - 2.9mm 3.7mm -
RS庫存編號 394-096
製造零件編號466.41.4242
BrandHuco
TWD2,975.00
單位
16mm Specialist Coupling 41.5mm 48.5mm - - - - - - -
RS庫存編號 814-657
製造零件編號FSMR32-12-12-A
BrandRuland
TWD1,710.00
單位
- Beam Coupling 31.75mm 44.45mm - 5.65Nm - 0.381mm 0.254mm -
RS庫存編號 808-7349
製造零件編號ROTEX42-92SHEL-KTR
BrandKTR
TWD782.00
單位
- Jaw Coupling - - - - - 0.32mm -1 mm, +2mm -
RS庫存編號 808-7226
製造零件編號VIVA-V130-HUB-PB
BrandRexnord
TWD2,673.00
單位
35 → 55mm Beam Coupling 129mm - - 164Nm - - - - -