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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제품설명 단가 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 제품 번호 423-1804
제조사 부품 번호MJS19-6-A
제조사Ruland
₩13,737.65
Each
수량
6mm Curved Jaw Coupling 19.1mm 27.2mm Set Screw - - - - - - - - -
RS 제품 번호 808-7213
제조사 부품 번호VIVA-VS150-ELEMENT
제조사Rexnord
₩457,876.20
Each
수량
- Tyre Coupling 150mm - - 250Nm - - 1.6mm 6.1mm - - -
RS 제품 번호 814-433
제조사 부품 번호PCMR13-3-3-A
제조사Ruland
₩27,734.15
Each
수량
3mm Beam Coupling 12.7mm 19.1mm - 0.92Nm 6.66°/Nm - 0.203mm 0.127mm - - -
RS 제품 번호 808-7092
제조사 부품 번호OMEGA-E20-ELEMENT
제조사Rexnord
₩533,762.65
Each
수량
- Tyre Coupling 7.25in - - 260Nm - - 0.031in 0.188in - - -
RS 제품 번호 808-7106
제조사 부품 번호OMEGA-E40-ELEMENT
제조사Rexnord
₩574,290.50
Each
수량
- Tyre Coupling 9.5in - - 621Nm - - 0.031in 0.188in - - -
RS 제품 번호 489-3862
제조사 부품 번호13024175
제조사Lenze
₩53,938.45
Each
수량
7/16in Straight Jaw Coupling 54mm 54mm - - - - 0.12mm +1.4mm - - -
RS 제품 번호 364-3155
제조사 부품 번호PCR16-10MM-3/8”-A
제조사Ruland
₩43,496.10
Each
수량
10mm Beam Coupling 25.4mm 31.8mm - - 1.8°/Nm - 0.381mm 0.254mm - - -
RS 제품 번호 477-9895
제조사 부품 번호PCMR25-8-6-A
제조사Ruland
₩56,568.80
Each
수량
- Beam Coupling 25.4mm 31.8mm - 3.73Nm 1.57°/Nm - 0.381mm 0.254mm - - -
RS 제품 번호 808-7096
제조사 부품 번호OMEGA-E30-ELEMENT
제조사Rexnord
₩665,348.35
Each
수량
- Tyre Coupling 8.25in - - 412Nm - - 0.031in 0.188in - - -
RS 제품 번호 693-2417
제조사 부품 번호536.26.2222
제조사Huco
₩51,109.70
Each
수량
6mm Bellows Coupling 26mm 37.5mm Clamping 2.43Nm 755Nm/rad 330 x 10^-8kg/m² 0.06mm 0.36mm Stainless Steel - -
RS 제품 번호 809-0727
제조사 부품 번호047.10.2222.RS
제조사Huco
₩19,700.50
Each
수량
6mm Double Loop Elastomer - 27mm - 0.5Nm - - 10° - 4.5mm - - -
RS 제품 번호 449-0520
제조사 부품 번호MSPC-30-30-F
제조사Ruland
₩163,977.60
Each
수량
30mm Rigid Coupling 53mm 83mm - - - - - - - - - -
RS 제품 번호 489-3799
제조사 부품 번호13007045
제조사Lenze
₩9,163.60
Each
수량
- Straight Jaw Coupling - - - - - - 0.4mm 0.45mm - - -
RS 제품 번호 477-9867
제조사 부품 번호PCMR19-6-5-A
제조사Ruland
₩44,356.35
Each
수량
- Beam Coupling 19.1mm 22.9mm - 1.58Nm 2.9°/Nm - 0.203mm 0.127mm - - -
RS 제품 번호 477-9924
제조사 부품 번호MCLX-10-10-SS
제조사Ruland
₩64,183.95
Each
수량
10mm Rigid Coupling 29mm 45mm - - - - - - - - - -
RS 제품 번호 449-0536
제조사 부품 번호MSPC-20-20-F
제조사Ruland
₩131,444.65
Each
수량
20mm Rigid Coupling 42mm 65mm - - - - - - - - - -
RS 제품 번호 808-7250
제조사 부품 번호ROTEX14-92SHEL-KTR
제조사KTR
₩5,459.10
Each
수량
- Curved Jaw Coupling - - - - - - 1.2° 0.17mm -0.5 mm, +1 mm - - -
RS 제품 번호 814-540
제조사 부품 번호PSMR10-3-3-A
제조사Ruland
₩22,659.45
Each
수량
- Beam Coupling 9.5mm 14.3mm - 0.62Nm 11.83°/Nm - 0.203mm 0.127mm - - -
RS 제품 번호 492-9270
제조사 부품 번호KUP-1010-B
제조사Sick
₩48,375.50
Each
수량
10mm - 21mm 29mm - - 120Nm/rad - 0.3mm 0.4mm - - -
RS 제품 번호 693-2502
제조사 부품 번호530.41.3535
제조사Huco
₩63,621.30
Each
수량
12mm Bellows Coupling 41mm 49.7mm Set Screw 7.61Nm 2880Nm/rad 2490 x 10^-8kg/m² 2.5° 0.15mm 0.8mm Stainless Steel - -