The 13 best flexible couplings brands
Lovejoy, TB Wood's and Rexnord lead our ranking of 13 flexible couplings brands. Compare what each brand makes, visit its official site, or shop it online.
Flexible Couplings brands, ranked
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1
Lovejoy
Jaw-type couplings with replaceable rubber spiders, popular for connecting motors to pumps and fans in general industry.
Website: lovejoytool.com |Brands like Lovejoy
Popularity 10.0/10
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2
TB Wood's
Elastomer sleeve couplings such as the Sure-Flex Plus, with replaceable sleeves that absorb misalignment and shock.
Top products: Sure-Flex Plus 5J· 11E
Website: tbwoods.com |Brands like TB Wood's
Popularity 6.8/10
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3
Rexnord
Omega-series elastomer element couplings, where the replaceable element is the part you swap out during service.
Website: rexnord.com |Brands like Rexnord
Popularity 5.9/10
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4
Martin
Quadra-Flex sleeve couplings with matching covers, mainly used to replace worn elements on existing drives.
Top products: 5JEM Quadra-Flex
Popularity 5.5/10
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5
Dodge
Para-Flex element couplings, a common choice for pump and conveyor drives that need shock absorption.
Top products: PX70 Para-Flex
Website: dodge.com |Brands like Dodge
Popularity 4.3/10
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6
Dayton
Electric motors and gear motors, including 1 HP models, anchor the Dayton line for shop and plant equipment. Dayton also sells bearings alongside its motors, and the brand is part of the Dayton-Phoenix Group. These motors suit workshops and facilities where dependable power for machinery matters.
Website: dayton-phoenix.com |Brands like Dayton
Popularity 1.4/10
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7
Harmonic Drive
Harmonic Drive makes precision gears and motion control parts, including strain wave gearing. The Japanese company also supplies servo motors, DC motors, linear actuators and custom actuators built to customer specifications. Its gears deliver high torque with almost zero backlash, a feature valued in precision machinery.
Website: harmonicdrive.net |Brands like Harmonic Drive
Popularity 0.5/10
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8
Appleton Electric
Appleton Electric builds weatherproof boxes, conduit fittings and cable connectors for commercial and industrial electrical work. Its TC series connectors suit ordinary, wet and hazardous locations, and its armored cable fittings are made to protect wiring.
Popularity 0.2/10
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9
Woodward
Woodward's neckties are made of silk in geometric, stripe and solid patterns. Collectors value the brand for its vintage ties, many of which were made in the U.S. The smooth silk drape works with both dark and light suits.
Popularity 0.2/10
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10
Ruland
Shaft collars and precision couplings made to order, with fast turnaround on many standard sizes.
Website: ruland.com |Brands like Ruland
Popularity 0.1/10
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11
Festo
Festo Didactic is your ideal technical education partner. They provide educational tools for teaching vocational and technological courses efficiently. Students may discover how objects function and are made in practical, hands-on workshops. The brand offers a groundbreaking vocational and practical...
Website: labvolt.festo.com |Brands like Festo
Popularity 0.1/10
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12
Hitachi
Power is an entity that every individual or group of individuals wants to conquer. With power in your hands, you can change the world for good. Hitachi Group took this as an opportunity to do the same. They had the...
Website: hitachi.com |Brands like Hitachi
Popularity 0.1/10
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13
SKF
Two-wheeler sealing solutions from SKF are specifically engineered to prevent air and water leaks, ensuring a quiet ride and extending the vehicle's service life. The brand has been accomplished through years of constant research and development (R&D), resulting in goods...
Website: vsmeus.promo.skf.com |Brands like SKF
Popularity 0.1/10
Official websites and social accounts
| Brand | Website | X / Twitter | YouTube | ||
|---|---|---|---|---|---|
| Lovejoy | lovejoytool.com | /lovejoytool | – | @lovejoytoolco | – |
| TB Wood's | tbwoods.com | /TB-Woods-101753192114141 | – | @tbwoods_ | – |
| Rexnord | rexnord.com | – | – | – | – |
| Dodge | dodge.com | – | – | – | – |
| Dayton | dayton-phoenix.com | – | – | – | – |
| Harmonic Drive | harmonicdrive.net | – | – | @harmonicdrive | Harmonic Drive LLC |
| Ruland | ruland.com | /rulandmanufacturing | ruland_mfg | @Ruland_Mfg | RulandManufacturing |
Flexible Couplings Buying Guide
Flexible couplings are an essential component in many types of machinery and equipment. They are designed to connect two shafts together while compensating for any misalignment between them. Flexible couplings are used in many industries, including manufacturing, construction, agriculture, and mining. Choosing the right flexible coupling for your equipment is an important decision that should not be taken lightly. This guide will provide you with valuable information on what to consider when buying flexible couplings.
Types of Flexible Couplings
Before you can choose a flexible coupling, you need to understand the different types available. There are many types of flexible couplings on the market, but the most common ones include:
Jaw Couplings
Jaw couplings are one of the most popular types of flexible couplings. They consist of two hubs with curved jaws molded into them. The jaws are designed to fit into an elastomeric spider that connects the two hubs. When the spider is compressed, it allows for some misalignment between the two shafts connected by the coupling.
Disc Couplings
Disc couplings consist of two hubs connected by a flexible disc. The disc is designed to compensate for any misalignment between the two shafts. Disc couplings are typically used in high-speed applications, such as turbines and compressors. They are also used in applications where torsional stiffness is essential.
Beam Couplings
Beam couplings consist of two hubs connected by a thin beam made of metal. The beam is designed to compensate for any misalignment between the two shafts. Beam couplings are often used in low torque and low speed applications, such as encoders and light-duty motors.
Bellows Couplings
Bellows couplings consist of two hubs connected by a thin wall metal bellows. The bellows is designed to compensate for any misalignment between the two shafts. Bellows couplings are often used in applications where high-speed and torsional stiffness are important, such as robotics and medical equipment.
Grid Couplings
Grid couplings consist of two hubs connected by a flexible grid made of metal. Grid couplings are designed to compensate for any misalignment between the two shafts. Grid couplings are often used in high-torque and high-speed applications, such as pumps and fans.
Factors to Consider When Buying Flexible Couplings
Choosing the right flexible coupling can be a challenging task. The following factors should be considered when buying flexible couplings:
Shaft Sizes and Torque Capacity
The first thing to consider when buying a flexible coupling is the shaft sizes and torque capacity. Flexible couplings come in different sizes to fit different shaft sizes. Additionally, the torque capacity of the coupling should be greater than the maximum torque required for the application.
Misalignment Compensation
The second thing to consider is the amount of misalignment the coupling can compensate for. Different couplings have different levels of misalignment compensation. It is important to choose a coupling that can compensate for the expected misalignment in your application.
Torsional Stiffness
Torsional stiffness is the resistance of the coupling to twisting. High torsional stiffness is essential in applications where precise positioning is required, such as robotics and medical equipment. Low torsional stiffness is suitable for applications where flexibility is important, such as light-duty motors.
Temperature Range
The temperature range of the application should be considered when choosing a flexible coupling. Different couplings have different temperature ranges. It is essential to choose a coupling that can withstand the expected temperatures in your application.
Chemical Resistance
If your application involves exposure to chemicals, it is essential to choose a coupling that is resistant to those chemicals. Different coupling materials have different levels of chemical resistance. It is important to choose a coupling with the appropriate chemical resistance for your application.
Cost
The cost of a flexible coupling should also be considered. Different couplings have different prices. It is important to choose a coupling that fits your budget without compromising on quality.
Conclusion
Choosing the right flexible coupling is essential for the smooth operation of your equipment. It is important to consider shaft sizes and torque capacity, misalignment compensation, torsional stiffness, temperature range, chemical resistance, and cost when buying a flexible coupling. By taking the time to consider these factors, you can ensure that your equipment runs smoothly and efficiently.
