14 best flexible roller chain couplings

Flexible roller chain couplings are a type of flexible coupling used in power transmission systems to connect two shafts and transmit torque between them. These couplings are commonly used in industrial applications and are part of power transmission products.

The main components of a flexible roller chain coupling typically include two sprockets (one on each shaft) and a roller chain connecting the sprockets. The sprockets have teeth that engage with the rollers of the chain, allowing for the transfer of torque from one shaft to the other.

Here are some key features and advantages of flexible roller chain couplings:

Flexibility and Misalignment Tolerance: Flexible roller chain couplings can accommodate misalignment between shafts, including angular, parallel, and axial misalignment. This flexibility helps in reducing stress on connected machinery and improving the overall performance and lifespan of the coupling.
Dampens Vibration and Shock: The design of the roller chain coupling helps in dampening vibration and absorbing shock loads, ensuring a smoother and more reliable power transmission.
Simple Design and Installation: The design of flexible roller chain couplings is relatively simple, making them easy to install and maintain.This simplicity contributes to their widespread use in various industrial applications.
High Torque Transmission Capacity: These couplings can handle significant torque transmission, making them suitable for applications where high torque is required.
Durability and Longevity: Flexible roller chain couplings are typically made from high-quality materials, providing durability and a long service life even under challenging operating conditions.
Cost-Effectiveness: Due to their simple design and ease of manufacturing, flexible roller chain couplings are often cost-effective compared to other types of couplings.

It's essential to choose the appropriate type and size of flexible roller chain coupling based on the specific requirements of the application, including torque capacity, shaft sizes, and operating conditions. Regular maintenance and periodic inspections are recommended to ensure optimal performance and extend the lifespan of the coupling.

Below you can find our editor's choice of the best flexible roller chain couplings on the market

Martin 5016 Roller Chain Coupling, High Carbon Steel, Inch, 16 Teeth, 1 5/8" Bore, 3 25/32" OD, 1 7/16" Length, 4000 rpm Max Rotational Speed, 3/8" x 3/16" Keyway

MARTIN

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Product description

Simplex sprocket coupling half for joining two perpendicular shafts
High carbon steel for tensile strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Meets ANSI standards

Martin 6018 Coupling Chain, Steel, Inch

MARTIN

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Product description

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)
Steel for strength and durability
Holds the two hubs of the coupling assembly together
Operating temperatures range from -30 to 225 degrees F (-34 to 107 degrees C)

Martin 5018 Roller Chain Coupling, Sintered Steel, Inch, 18 Teeth, 1 1/2" Bore, 4 3/16" OD, 1 11/16" Length, 3600 rpm Max Rotational Speed, 3/8" x 3/16" Keyway

MARTIN

Based on 3 reviews Check latest price

Product description

Simplex sprocket coupling half for joining two perpendicular shafts
Sintered steel for strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Keyway for preventing rotation between the two elements

User questions & answers

Question:	Is the coupling chain available
Answer:	It is plastic all the way to the tip where the lead comes out
Question:	I believe the description is wrong. The part number referenced comes standard with a 1/4" keyway. The description says
Answer:	The lead seems to be strong and long lasting, but any lead pushed beyond its limit will break.I bought my son a pack of these and he has not ask for any more in 4 months and still has a lot left.

Martin 8018SF QD Roller Chain Coupling, High Carbon Steel, Inch, 6 21/32" OD, 1 3/4" Length, 2000 rpm Max Rotational Speed

MARTIN

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Product description

Simplex sprocket coupling half for joining two perpendicular shafts
High carbon steel for tensile strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Meets ANSI standards

Martin 5016STL Roller Chain Coupling, High Carbon Steel, Inch, 3/4" Bore, 3 25/32" OD, 1 7/16" Length, 4000 rpm Max Rotational Speed

MARTIN

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Product description

Simplex sprocket coupling half for joining two perpendicular shafts
High carbon steel for tensile strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Keyway for preventing rotation between the two elements

Martin 10020TBF Taper Roller Chain Coupling, High Carbon Steel, Inch, 9 1/8" OD, 3 1/2" Length, 1800 rpm Max Rotational Speed

MARTIN

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Product description

Simplex sprocket coupling half for joining two perpendicular shafts
High carbon steel for tensile strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Machined for taper bores for easy assembly

Martin 8020TBH Taper Roller Chain Coupling, High Carbon Steel, Inch, 20 Teeth, 7 19/64" OD, 2" Length, 2000 rpm Max Rotational Speed

MARTIN

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Product description

Simplex sprocket coupling half for joining two perpendicular shafts
High carbon steel for tensile strength and hardness
Hardened teeth for resistance to wear and fatigue
Accommodates up to 2 degrees of angular misalignment between shafts
Machined for taper bores for easy assembly

BALDOR DODGE 100491 Chain Assembly, Close-COUPLED, Chain Coupling

ASEA BROWN BOVERI

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Product description

New in Factory box - 100491 Dodge New Coupling

CHAIN ASSEMBLY
CHAIN COUPLING
CLOSE-COUPLED
Pipe and Coupling
Machine Parts

Martin 8EM Quadraflex Sleeve, Thermoplastic Rubber, Inch, 5.063" OD, 2.5" Length, 1135 in-lbs Nominal Torque

MARTIN

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Product description

For use with specific Martin flange types (J type flanges in the case of JEM and JEMS type sleeves, and all flange types in the case of EM type sleeves) in the Quadra-Flex series flexible coupling assemblies (sold separately)
Thermoplastic rubber for resistance to oil and higher temperatures
Three types: one-piece solid (Type JEM), one-piece split (Type JEMS), and two-piece split with a metal retaining ring (Type EM) for applications where the coupled shafts are difficult to separate
Operating temperatures range from -50 to 275 degrees F (-46 to 135 degrees C)

Martin 3J 5/8 Quadraflex Coupling Flange, Sintered Steel, Inch, 0.625" Bore A, 0.625" Bore B, 2.062" OD, 2" Length

MARTIN

Based on 4 reviews Check latest price

Product description

For use with some flexible coupling assemblies (sold separately) in the Martin Quadra-Flex series
Steel sintered with powdered metals for strength, durability, and corrosion resistance
Transfers shock and misalignment to the center element of the coupling assembly for reduced wear on the shaft assembly
Teeth help to distribute torsional load across the flange and sleeve, reducing wear and extending service life

Martin 7JEM Quadraflex Sleeve, Thermoplastic Rubber, Inch, 4.344" OD, 2.188" Length

MARTIN

Based on 15 reviews Check latest price

Product description

Jeremywell 41 Roller Chain 100 Feet with 10 Connecting Links

Jeremywell

Based on 6 reviews Check latest price

Product description

#41 Roller Chain 100 Feet with 10 Connecting Links

Pitch Size: 0.500 Inch

Roller Diameter: 0.306 Inch

Width Between Inner Plates: 0.246 Inch

Pin Diameter: 0.141 Inch

Pin Length L Max: 0.541 Inch

Pin Length Lc Max: 0.591 Inch

Inner Plate Depth: 0.390 Inch

Plate Thickness: 0.051 Inch

Average Tensile Strength: 2400 lb

Material: Carbon Steel

Length: 100 Feet

Weight Per Foot: 0.275 lbs

All of our chain products have gone through stringent process measures for Best Quality! This includes heat treatment, which ensures the optimum ware life and toughness for all component parts. Solid hardened and shot peened precision rollers are standard on most of our chains. The bushings provide a smooth roller bearing effect reducing the impact load as the chain engages the sprockets tooth. During chain assembly, all chain components are oriented to ensure pins, bushings, and side plates are correctly positioned for optimum chain strength and long life. Assembled chains are then dipped in a hot lubricant. This lubrication and the process in which it is applied greatly improve the ware life capacity of the chain and further protect it from the effects of the environment. All of our chains are factory preload. They are pretested to support and maintain the expected load the chain will see when in use. This helps align the chain parts which will minimize the initial elongation. This will drastically increase the life of the chain. All our Chain is certified from ISO 9001:2000 QM certification through ISO 14001 (which documents the sustainability and environmental compatibility of production and waste disposal processes) to the ISO/TS 16949 quality requirements for the automotive industry.

ANSI #41 Industrial Roller Chain
Pitch Size: 0.500 Inch
Length: 100 Feet Roll
Average Tensile Strength: 2400 lbs
Weight Per Foot: 0.275 lbs

User questions & answers

Question:	Confirming this is one 100 foot continuous piece of chain (not smaller pieces joined with connecting links
Answer:	No, this mechanical pencil does not have a grip. Official BIC Store