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Flexible Couplings | Shaft Coupling | Motor Coupling | Coupler

New items

MWC20-6-6-SS, Ruland

Stainless Steel Flexible Shaft Couplings Designed to perform where higher speeds, greater misalignment, and limited lubrication would exceed the capabilities of other couplings. Each coupling is manufactured as one piece, thereby eliminating mechanical joints and possible failure points.Two fixing styles available:,Typical applications include encoders, stepper motors, robotics, measuring instruments, servo systems, pumps, valves, fans etc., (i) Set Screw style is secured using one grub-screw per shaft (staggered at 120°) , (ii) Clamp style fixing uses one socket head cap screw per shaft. Constant velocity couplings with high torque capacity and zero backlash Torsionally rigid one-piece construction Not temperature sensitive High or low speed operation and reversible No lubrication required Up to 3° of axial misalignment allowable Note The coupling shown represents the clamp style fixing

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New items

F60HTBFLG, SKF

SKF Flex Couplings SKF Flex Couplings have been designed to accommodate misalignment, shock loads and dampen vibration levels. They are easy to install and are virtually maintenance-free. They are available with a machined-to-size bore or a tapered bore, and couplings that have a tapered bore are either Face (F) mounted or Hub (H) mounted. The Reversible (R) design is more versatile and can either be hub or face mounted but this is dependent on the application. In addition to this, a standard sized spacer flange can be used to accommodate applications where it is advantageous to move a shaft axially without disturbing the machines. The flanges are coated in phosphate for improved resistance to corrosion. SKF Flex tyres are available in natural rubber and are an excellent choice for applications with temperatures ranging from -50 to +50 °C. Chloroprene rubber tyres can accommodate temperatures from -15 to +70 °C and should be used where fire-resistance and anti-static (F.R.A.S.) properties are required. They are excellent in applications where exposure to greases and oils are likely. Phosphate Coated for Corrosion Resistance Easy to Install Available with a Tapered Bushing Resistance to Shock Loads Vibration Dampening Accommodates Parallel, Axial and Angular Misalignment Note SKF flex couplings consist of 2 flanges and 1 tyre and are sold separately Elastomer Couplings

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New items

721.19.2828, Huco

Beam couplings will readily accommodate any combination of axial motion, angular and parallel misalignment. The 3 start helical-cut design provides higher torque capability and reduced wind-up compared with single beam versions. Multi-Beam is available in three standard materials: stainless steel, aluminium and acetal, for shaft diameters from 1mm to 38mm. Torsionally rigid design Zero backlash No moving parts Single beam simple coupling compatible with industry standard types 3-Beam single stage for increased torsional stiffness 6-Beam two stage for torsional stiffness and increased radial compliance Step Beam for low inertia, electrical isolation, low cost

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New items

MBC25-12-8-A, Ruland

Ruland MBC25-12-8-A is a bellows coupling with 12mm x 8mm bores, 25.4mm OD, and 33.3mm length. It is zero-backlash and has a balanced design for reduced vibration at high speeds. MBC25-12-8-A is comprised of two anodized aluminum hubs and a stainless steel bellows. The bellows are able to flex while remaining rigid under torsional loads allowing for all types of misalignment to be accommodated. This bellows coupling is lightweight and has low inertia making it suitable for applications with speeds up to 10,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. Ruland manufactures MBC25-12-8-A to be torsionally rigid and an excellent fit for precise positioning stepper servo applications as well as encoders. It is machined from solid bar stock that is sourced exclusively from North American mills. MBC25-12-8-A is carefully manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

MJCC57-30-A, Ruland

Ruland MJCC57-30-A is a zero-backlash jaw coupling hub with a30mm bore, 8mm keyway, 57.2mm OD, and 28.7mm length. It is a component in a three-piece design consisting of two aluminum hubs and an elastomeric insert called the spider creating a lightweight low inertia coupling capable of speeds up to 8,000 RPM. This three-piece design allows for a highly customizable coupling that easily combines clamp or set screw hubs with inch, metric, keyed, and keyless bores. Spiders are available in three durometers allowing the user to tailor the performance of the coupling to their application. Ruland jaw couplings have a balanced design for reduced vibration at high speeds. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. MJCC57-30-A is machined from bar stock that is sourced exclusively from North American mills. It is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

MJC57-25-A, Ruland

Ruland MJC57-25-A is a zero-backlash jaw coupling hub with a 25mm bore, 57.2mm OD, and 28.7mm length. It is a component in a three-piece design consisting of two aluminum hubs and an elastomeric insert called the spider creating a lightweight low inertia coupling capable of speeds up to 8,000 RPM. This three-piece design allows for a highly customizable coupling that easily combines clamp or set screw hubs with inch, metric, keyed, and keyless bores. Spiders are available in three durometers allowing the user to tailor the performance of the coupling to their application. Ruland jaw couplings have a balanced design for reduced vibration at high speeds. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. MJC57-25-A is machined from bar stock that is sourced exclusively from North American mills. It is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

MBS19-5-5-A, Ruland

Dimensions Size Code OD (mm) L (mm) L1 (mm) 1 15 25 8.65 2 19 30 10.4 3 25 33 11.85 4 33 40 15.00 5 41 51 18.05 6 51 59 20.55 Size Code Max. Static Torque (Nm) Torsional Stiffness (Nm /Deg ) Max. Axial Offset (mm) Max. Angular Offset (°) Max. Parallel Misalignment (mm) 1 2.50 8 0.20 1.50 0.10 2 4.50 14 0.25 1.50 0.10 3 6.80 27 0.30 1.50 0.10 4 13.60 45 0.40 1.50 0.15 5 28.00 63 0.50 2.00 0.25 6 45.20 108 0.50 2.00 0.25 Ruland MBS19-5-5-A is a bellows coupling with 5mm x 5mm bores, 19.1mm OD, and 30.2mm length. It is zero-backlash and has a balanced design for reduced vibration at high speeds. MBS19-5-5-A is comprised of two anodized aluminum hubs and a stainless steel bellows. The bellows are able to flex while remaining rigid under torsional loads allowing for all types of misalignment to be accommodated. This bellows coupling is lightweight and has low inertia making it suitable for applications with speeds up to 10,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. Ruland manufactures MBS19-5-5-A to be torsionally rigid and an excellent fit for precise positioning stepper servo applications as well as encoders. It is machined from solid bar stock that is sourced exclusively from North American mills. MBS19-5-5-A is carefully manufactured in our Marlborough, MA factory under strict controls using proprietary

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New items

MJC57-32-A, Ruland

Ruland MJC57-32-A is a zero-backlash jaw coupling hub with a 32mm bore, 57.2mm OD, and 28.7mm length. It is a component in a three-piece design consisting of two aluminum hubs and an elastomeric insert called the spider creating a lightweight low inertia coupling capable of speeds up to 8,000 RPM. This three-piece design allows for a highly customizable coupling that easily combines clamp or set screw hubs with inch, metric, keyed, and keyless bores. Spiders are available in three durometers allowing the user to tailor the performance of the coupling to their application. Ruland jaw couplings have a balanced design for reduced vibration at high speeds. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. MJC57-32-A is machined from bar stock that is sourced exclusively from North American mills. It is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

MBC15-5-5-A, Ruland

Dimensions Size Code OD (mm) L (mm) L1 (mm) 1 15 25 8.65 2 19 30 10.4 3 25 33 11.85 4 33 40 15.00 5 41 51 18.05 6 51 59 20.55 Size Code Max. Static Torque (Nm) Torsional Stiffness (Nm /Deg ) Max. Axial Offset (mm) Max. Angular Offset (°) Max. Parallel Misalignment (mm) 1 2.50 8 0.20 1.50 0.10 2 4.50 14 0.25 1.50 0.10 3 6.80 27 0.30 1.50 0.10 4 13.60 45 0.40 1.50 0.15 5 28.00 63 0.50 2.00 0.25 6 45.20 108 0.50 2.00 0.25 Ruland MBC15-5-5-A is a bellows coupling with 5mm x 5mm bores, 15.0mm OD, and 27.2mm length. It is zero-backlash and has a balanced design for reduced vibration at high speeds. MBC15-5-5-A is comprised of two anodized aluminum hubs and a stainless steel bellows. The bellows are able to flex while remaining rigid under torsional loads allowing for all types of misalignment to be accommodated. This bellows coupling is lightweight and has low inertia making it suitable for applications with speeds up to 10,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. Ruland manufactures MBC15-5-5-A to be torsionally rigid and an excellent fit for precise positioning stepper servo applications as well as encoders. It is machined from solid bar stock that is sourced exclusively from North American mills. MBC15-5-5-A is carefully manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

MJC51-12-A, Ruland

Ruland MJC51-12-A is a zero-backlash jaw coupling hub with a 12mm bore, 50.8mm OD, and 20.8mm length. It is a component in a three-piece design consisting of two aluminum hubs and an elastomeric insert called the spider creating a lightweight low inertia coupling capable of speeds up to 8,000 RPM. This three-piece design allows for a highly customizable coupling that easily combines clamp or set screw hubs with inch, metric, keyed, and keyless bores. Spiders are available in three durometers allowing the user to tailor the performance of the coupling to their application. Ruland jaw couplings have a balanced design for reduced vibration at high speeds. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. MJC51-12-A is machined from bar stock that is sourced exclusively from North American mills. It is manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

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New items

HWT438, OPTIBELT

The OPTIBELT jaw coupling with flexible elements for the flexible connection of shafts. This coupling can easily be connected and does not require a high accuracy of the shaft alignment. This couplings are distortion free coupling. Compensation of shaft misalignments Taper bush number is 1108 Fast and easy installation High durability

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New items

HWT442, OPTIBELT

The OPTIBELT jaw coupling with flexible elements for the flexible connection of shafts. This coupling can easily be connected and does not require a high accuracy of the shaft alignment. This couplings are distortion free coupling. Compensation of shaft misalignments Taper bush number is 1610 Fast and easy installation High durability

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