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Motion Control


Gas Springs - Fixed Force

Fixed Force Gas Springs, also are also known as a Forced Spring Gas Strut or a Gas Spring, are self-contained and maintenance free. Gas pressure internal to the strut provides a push or pull force depending on configuration, and additionally has a dampening circuit that controls the motion speed in one or both directions.

Gas Springs are safe to use with easy positional control. They are best suited for use on applications such as access panels, lids, bonnets and hatch covers.

  • Thread Sizes: M5 and M6
  • Rod and Tube Material: Steel
  • Rod Finish: Black Nitrided
  • Tube Finish: Black Epoxy Powder Coated.

Gears - Spur

These Spur Gears are cylinders with teeth parallel to the cylinder's axis. It is used to control the acceleration of a movement in a travelling body such as infusion pumps and precision control for robotics. It is also a lightweight, corrosion-resistant option for smooth operation and reduced noise.

It can withstand temperatures of up to 95C. Widely used in industries such as automotive, manufacturing, industrial or consumer electronics where factors such as power transmission, speed reduction and torque multiplication are required.

  • Material: POM
  • Colour: Black, Natural
  • Material Flammability Standard: UL94 HB

Hardened Hollow Shafts

Hardened Hollow Shafts are robust and reliable components used in various mechanical applications. They are used with linear bushings when weight reduction is necessary, but the structural integrity is not compromised. This weight decrease enables greater efficiency, lower energy usage, and increased manoeuvrability.

Its design allows fluids, gases, or electrical wires to travel through the centre of it. When paired with a linear ball bushing, it offers smooth and accurate rotational motion.

It is used in applications where high strength and durability are required and where weight reduction is also important, such as industrial machinery, automotive systems, and medical devices.

  • It is used in applications such as industrial machinery, automotive systems and medical devices.
  • Its lighter weight enables greater efficiency, lower energy usage and increased manoeuvrability.
  • The design allows fluids, gases or electrical wires to travel through its centre.
Material: Steel Series Code: SRL177150, SRL177140, SRL177130, SRL177125, SRL177120, SRL177116, SRL177112

Hardened Stainless Shafts

These Hardened Stainless Shafts provide great strength, durability, and reliability. They are used with linear bearings and are suited for demanding applications requiring corrosion, wear, and harsh conditions such as humidity or chemical resistance without sacrificing structural integrity.

These shafts have a long lifespan and need little maintenance, which reduces downtime and total operating expenses. It provides smooth and precise linear motion when used in conjunction with a linear ball bushing. It's found in applications like food processing equipment, automotive systems, and medical devices.

  • Suited for applications requiring corrosion, wear, and harsh conditions such as humidity or chemical resistance.
  • It provides smooth and precise linear motion when used in conjunction with a linear ball bushing.
  • It's found in applications like food processing equipment, automotive systems, and medical devices.
Material: Stainless Steel Series Code: , SRL177260, SRL177250, SRL177240, SRL177230, SRL177225, SRL177220, SRL177216, SRL177212, SRL177210, SRL177208, SRL177206

Hardened Steel Shafts

These Hardened Steel Shafts are robust and reliable components used in various mechanical applications. They are used with all types of linear bushings. They combine exceptional size precision, straightness, and concentricity to reduce wear in high-speed applications.

The shafts are made from high-quality steel that undergoes a specialised hardening process, resulting in increased strength, longevity, and resistance to wear and corrosion. When combined with a linear ball bushing, it ensures smooth and precise rotational motion.

Their material makes them suitable for applications that require heavy-duty performance, such as industrial machinery, automotive systems, and medical devices.

  • Combine exceptional size precision, straightness, and concentricity to reduce wear in high-speed applications.
  • Suitable for applications such as industrial machinery, automotive systems, and medical devices.
  • Shafts made from high-quality steel that undergoes a specialised hardening process.
Material: Steel Series Code: SRL177060, SRL177050, SRL177040, SRL177030, SRL177025, SRL177020, SRL177016, SRL177012, SRL177010, SRL177008, SRL177006, SRL177005

Hexagon Steel Nuts

Hexagon steel nuts give a solid grip while preventing loosening due to vibration or motion. They are simple to tighten and relax with a normal wrench or pliers. Hexagon steel nuts give a solid grip while preventing loosening due to vibration or motion. They are simple to tighten and relax with a normal wrench or pliers. They are used with steel or stainless steel lead screws for low rotational speeds, manual control, clamping or locking actions, and dead weight reception.

Due to its material, it is used in applications that need high strength and durability but require lubrication to prevent the nut seizing with the screw.

These are widely utilised in a variety of industrial applications, including in automotive, aerospace, and medical equipment. Available as standard right-hand thread hexagon steel nuts as well as left-hand threaded.

Please note: Steel to steel contact surfaces are inappropriate for motorised motion.

  • Used in a variety of industrial applications, including in automotive, aerospace, and medical equipment.
  • Hexagon steel nuts give a solid grip while preventing loosening due to vibration or motion.
  • It is used in applications that need high strength and durability but require lubrication to prevent the nut seizing with the screw.
Material: Steel Series Code: SRL1338

Lead Screws

Lead screws are a type of screws used to convert rotational motion into linear motion by converting the rotational movement of the screw into forward motion of the nut. 'Lead' refers to the distance a nut will travel for a complete revolution of the screw.

They are used for standard applications that require a lower degree of precision and accuracy, or where a ball screw is not suitable due to environmental conditions. They are strong, durable, and more cost efficient than ball screws.

They are also used in robotics, automotive or CNC machining industries. Available as standard right-hand thread lead screws as well as left-hand threaded. Please note: These lead screws, unlike threaded rods (not to be confused between them), have a thicker and stronger raceway which makes them ideal for heavy load applications where repetitive linear motion occurs.

  • Available as standard right-hand thread lead screws as well as left-hand threaded.
  • 'Lead' refers to the distance a nut will travel for a complete revolution of the screw.
  • Used for standard applications that require a lower degree of precision and accuracy
Material: 304 Stainless Steel, Steel, 316 Stainless Steel Series Code: SRL1326, SRL1325, SRL1320, SRL1323, SRL1322, SRL1321

Linear Carriages - Closed

These Linear Bushing Carriages are used in linear motion systems to guide and support moving parts. The housing offers an easy solution when mounting this carriage to the moving part in the application.

The aluminium housing helps to keep the weight down whilst the hardened steel balls inside the bushing take the loads and facilitate the movement. Only to be used on hardened linear shafts.

It can withstand temperatures from 20C to +80C. However, steel ball retainers can be provided for higher temperature applications up to +120C without end seals. Commonly used in applications such as food packaging machines, printing machines, computers, or tool grinders.

  • Used in linear motion systems to guide and support moving parts.
  • It can withstand temperatures from 20C to +80C.
  • It keeps the weight down, take the loads and facilitate the movement.
Series Code: SRL1751, SRL1750

Linear Guide Rails

These Linear Guide rails are a linear motion-bearing system used to guide and support moving components in a linear direction. Linear guide rails are made up of two major components: a rail and a carriage. The rail is a long, straight beam attached to a permanent surface. The carriage is a moving block that goes along the rail. The carriage comprises bearings that make contact with the rail and offer low-friction linear motion.

These rails are used in applications requiring high accuracy, low friction and smooth movements. It can sustain dynamic loads while accounting for impact, vibration, and fatigue.

In general, the carriages will be delivered to the tracks individually. To put the carriage onto the tracks, bring it up to the rails and slide it onto the rail. It is widely utilised in high-load and accurate applications throughout the industry, including medical devices, semiconductor production equipment, and industrial automation equipment.

  • Used to guide and support moving components in a linear direction.
  • Made up of two components a rail and a carriage.
  • It can sustain dynamic loads while accounting for impact, vibration, and fatigue.
Material: Steel Series Code: SRL1016RF45, SRL1016RF35, SRL1016RF30, SRL1016RF25, SRL1016RF20, SRL1016RF15, SRL1016

Locking Gas Springs

Our range of Locking Gas Springs include Security (Safety) Locking Gas Struts, and Blocklift Locking Gas Struts. These springs are ideal for applications where the motion control adjustments require comfort and security, even when locked in position. They are commonly used in the medical field, laboratories, the automotive industry, as well as for furniture and industrial equipment when opening, closing, tilting or damping.

Security springs feature a shroud. They eliminate the need for separate safety rods in critical lift-assist operations. When extended fully, they positively lock – this protects the operator from risk of injury in the event of overload or misuse. The shroud should be actively pressed in order to release the lock and ensure safe operation. They provide a self-contained, maintenance-free offering and are supplied in pairs. The rod is manufactured from steel and the fittings are made from polyamide and steel.

Blocklift springs perform just like conventional gas struts, but they also include a special internal locking valve, which allows it to be locked in any position. This locking mechanism only allows the strut to move whilst the release pin, located on the end of the piston rod, is depressed. Typical applications for Blocklift include; height and angle adjustment of seats on aircraft, buses, trains and other specialist transport. They also provide controlled adjustment for hospital beds, physiotherapy tables and for wheelchairs, plus height risers on desks. Available in Carbon and Stainless Steel. Offers single-handed operation.

  • Safe and easy to use
  • Maintenance free
  • Self-contained unit.

Long Centre Flange Linear Ball Bushings

Long Centre Flanged Linear Ball Bushings are used in linear motion applications to provide smooth and precise movement along a linear axis. The flange in the centre allows for easy mounting and the increased length offers greater load carrying capabilities. Composed of a housing with a row of 4-6 round ball circuits housed in a cage.

It has low friction for reduced wear, plus they can withstand heavy loads as the ball bearings distribute the load evenly across the bushing, minimizing stress concentration and extending the system's service life. It has seals which also helps to protect the internal components of the bearing from dust and dirt.

It can withstand temperatures from -20C to +80C and is ideal for applications such as automation systems, food packaging machines, and manufacturing processes.

  • Have seals which also helps to protect the internal components of the bearing from dust and dirt.
  • It can withstand temperatures from -20C to +80C.
  • Ideal for applications such as automation systems, food packaging machines, and manufacturing processes.
  • The flange in the centre allows for easy mounting and the increased length offers greater load carrying capabilities.
Material: Steel, Stainless Steel Series Code: SRL1730, SRL1733, SRL1732

Mating Pieces for Clevis Joints

These Clevis Joint Mating Pieces are meant to work with the clevis joint, allowing for smooth and controlled movement. These are intended to fit between our clevis joints to provide a connection where an angular offset is required.

The excellent fit of the mating piece provides for a tight and solid connection with the clevis joint, assuring stability, reliability, and optimal load transmission. The smooth surface finish of the mating piece decreases friction and wear between the mating components, contributing to the overall longevity and efficiency of the joint.

It ensures they remain aligned and engaged under varying loads and conditions by providing a reliable and safe connection. The thread size is designed to match the clevis joint, making installation and removal simple. Used in various applications for steering linkages, suspension systems, and control mechanisms in the automotive industry, manufacturing, and construction.

  • Intended to fit between our clevis joints to provide a connection where an angular offset is required.
  • The thread size is designed to match the clevis joint, making installation and removal simple.
  • The smooth surface finish of the mating piece decreases friction and wear, contributing to the longevity and efficiency of the joint.
Material: Stainless Steel, Steel Series Code: SRR3427, SRR3426, SRR3421, SRR3420

Miniature Linear Rails

These Miniature Linear Rails are used to direct and support moving loads. It delivers smooth and accurate linear motion in small systems. They comprise a foundation rail, a sliding block, and a series of rolling parts. The base rail is attached to the machine frame, and the slide block slides along it. The rolling components, commonly ball bearings, sustain the weight and decrease friction between the sliding block and the base rail.

It can withstand dynamic loads while considering impact, vibration, and fatigue. As this is a precise system they must be mounted on accurately prepared surfaces.

The carriages come mounted on dummy blocks. Offer the carriage up to the rails and move it off the block and onto the rail to install it. They are often smaller and lighter than regular linear rails, making them excellent for applications requiring restricted space and weight, such as scientific applications, medical equipment, or semiconductor manufacturing.

  • It is smaller and lighter than regular linear rails, making them excellent for applications requiring restricted space and weight.
  • It must be mounted on accurately prepared surfaces.
  • It can withstand dynamic loads while considering impact, vibration, and fatigue.
Material: Stainless Steel Series Code: SRL1012, SRL1010

Miniature Rail Carriages

These miniature rail carriages are a compact and versatile solution for achieving precise linear motion in small-scale applications. They're perfect for applications that need accurate placement and fluid movement in constrained places due to their small size, or applications requiring corrosion resistance as they are made from stainless steel.

The rails' 45 contact gothic arch design guarantees similar load capabilities in all directions. These rails move smoothly and feature a low coefficient of friction and break-away forces. It can sustain large weights, is resistant to corrosion, and is resilient to wear and tear.

Carriages come with a plastic dummy rail. It should be mounted by putting the dummy rail up against the end of the real rail and sliding it from one to the other. It is capable of withstanding temperatures between -40C and +80C. Used in different applications, including medical devices, pharmaceuticals, small automation systems, and optical equipment.

  • It moves smoothly and feature a low coefficient of friction and break-away forces.
  • The rails' 45 contact gothic arch design guarantees similar load capabilities in all directions.
  • It is capable of withstanding temperatures between -40C and +80C.
Material: Stainless Steel Series Code: SRL1012C, SRL1010

Needle Roller Linear Cages

Needle Roller Linear Cages are precision-engineered components that provide smooth, low-friction linear motion in high-load applications.

Compared to standard ball bearings, needle roller linear cages offer a higher load-carrying capacity per unit size. This makes them ideal for applications with space constraints.

They operate by a rail rolling rather than sliding, which reduces energy waste and enhances efficiency. Their robust construction helps prevent misalignment and deflection, resulting in steady movement under heavy loads.

  • Frequently used to improve motion precision and weight distribution.
  • Its capacity to withstand enormous weights makes it ideal for precision machinery, robotic systems and heavy-duty linear actuators.
Material: Steel Series Code: SRL1004

Neodymium Magnets

Neodymium magnets available with a nickel plated coating that protects the brittle magnet material and helps avoid corrosion in miniature applications. The nickel offering comes in a variety of shapes and sizes. This range also includes a black powder coated round plug magnets, which have superior magnetic strength for their small size..

Series Code: SR2332, SR2335

Open Linear Ball Bushing Carriages

These Open Linear Ball Bushing Carriages are used in linear motion systems to guide and support moving parts. These are to be used only with hardened steel shafts and the ball bearings allow the carriage to move smoothly along the rail. They are particularly useful for heavy weights and long stroke applications.

The aluminium housing helps to keep the weight down whilst the hardened steel balls inside the bushing take the loads and facilitate the movement. Only to be used on hardened linear shafts.

Its unflanged design enables a simple compact installation and integration into existing systems. It can withstand temperatures from 20C to +80C. Commonly used in applications such as food packaging machines, printing machines, computers, or tool grinders.

  • Useful for heavy weights and long stroke applications.
  • It can withstand temperatures from 20C to +80C.
  • It keeps the weight down, take the loads and facilitate the movement.
Series Code: SRL1752

Open Linear Ball Bushings

These Open Linear Ball Bushings are used in linear motion systems and are designed to provide a smooth and precise movement along a linear axis, allowing for accurate positioning and motion control. Composed of a housing with a row of 4-6 round ball circuits housed in a cage. These balls are in direct contact with the linear shaft, a cylindrical rod that the bushing slides along, providing low friction and high load capacity.

They are typically used with a shaft support rail. It can withstand temperatures from -20C to +80C. Ideal for use in applications such as automotive equipment, punching presses, and printing machines.

  • Composed of a housing with a row of 4-6 round ball circuits housed in a cage.
  • Typically used with a shaft support rail.
  • It can withstand temperatures from -20C to +80C.
  • Ideal for use in applications such as automotive equipment, punching presses, and printing machines.
Material: Stainless Steel, Steel Series Code: SRL1710, SRL1707

Plastic Circlips

These Plastic Circlips are intended to fit into grooves or bores, providing a secure and dependable grasp on shafts and other cylindrical objects, clevis joints and clevis pins.

Provides durability, strength, corrosion resistance, and wear resistance. Aside from being lightweight, it is perfect for applications demanding a weight reduction.

Simple to install and remove, providing convenience and efficiency throughout assembly and maintenance operations. Used in various applications such as automotive, industrial, and electronics.

  • Fits into grooves or bores, providing a secure and dependable grasp on shafts.
  • Provides durability, strength, and corrosion resistance.
  • Used in automotive, industrial, and electronics applications.
Material: POM Colour: Black Series Code: SRR3446

Pot Magnets

Pot Magnets for sale at Essentra Components.

We offer Neodymium Pot Magnets (N38) that are chrome pated. The magnets combine the power of a neodrymium maganet with the durability of a mild steel shell, and as such offer exceptional performance. The range is avaialble in two types. Type 1 have an M4 tapped hole in the back for mounting, and they are supplied with a removable steel hook. Type 2 have an M5 tapped hole, and are supplied without a hook. These magnets have a maximum operating temperature of up to 100C.

Ferrite (C5) Shallow Pot Magnets are also available to purchase. The small magnets are economical - the Ferrite Magnet is chrome plated to give high corrosion resistance, also making them a robust option. The magnet has a countersunk hole in the front (magnetic) face and can be easily fixed in place with an M5 Countersunk Screw. They are ideal for using in fixing applications, such as; point of sale displays, exhibitions, marketing displays, on doors and holding lights in place. Available in diameters starting from 25mm, with a 3.5kg pull up to 40mm with a 9kg pull. The maximum operating temperature is up to 180C. All mounting holes are 5.2mm with a countersink.

Also included in our extensive pot magnet offer are, Deep and Shallow Alnico 5 Pot Magnets, which feature a vibrant red colour finish. The shallow option is low profile for applications where height is limited. They have a clearance hole through and a countersink on the magnetic face, to accept a countersunk screw. Shallow magnets can be fixed on to or sunken into steel surfaces without any loss of performance. The maximum operating temperature is up to 500C. The deep option have a steel outer shell with a tapped hole in the back, and a highly magnetic front face. Ideal for incorporating into jigs and fixtures. They provide high holding forces on parts that are think and clean with a good surface finish. The maximum operating temperature is up to 220C.

Pully Round

These Round Belt Pulleys offer consistent power transmission. Designed for flexible connections between elements and suspended applications requiring motion traction control, they are useful for flexible connections between elements and suspended applications. They are also intended to reduce noise and vibration while in use. These pulleys' smooth surface finish and accurate balancing reduce friction and undesirable disturbances, resulting in a quieter operation and a more comfortable working environment.

Used iin applications that require a lightweight, corrosion-resistant, and cost-effective solution. Because of their adaptability and endurance, they are well suited for conveyor systems, printing presses, automotive components, and agricultural applications.

  • Material: POM
  • Colour: Natural

Push Button Switch - Plastic, Projected

These spring loaded push-push start/stop switches are rated at 10amp @ 600VAC with finger safe screw terminals. They meet NEMA 4, 4x, 12, 13 and IP65 when installed correctly and are also oil and watertight. UL/CSA/CE approved.

Quadro Carriages

These Quadro Carriages are closed, with self-aligning linear ball bearings, two integrated seals, and a lubrication hole. They achieve accurate and efficient linear motion in heavy-load applications.

It features four linear ball bushings internally, which improves stability and load-bearing capability. It distributes the load uniformly throughout the carriage, minimising deflection and maximising stiffness, lowering the danger of vibration and providing dependable performance even in high-speed applications.

It can withstand temperatures ranging from 20C to +80C. However, by replacing the ball retainers, end plates, and seals it can tolerate temperatures of up to +120C. Commonly used in applications such as food packaging machines, printing machines, computers, or tool grinders.

  • Achieve accurate and efficient linear motion in heavy-load applications.
  • It features four linear ball bushings internally, which improves stability and load-bearing capability.
  • It can withstand temperatures ranging from 20C to +80C.
Material: Aluminium Series Code: SRL1759, SRL1758

Rocker Switch - Single Pole

SPST rocker switches available with indicator light and all comel with an ON-OFF marking for use with any electrical application.16-amp 125VAC, 10-amp 250VAC. Installation holes are 1.1 inch by 0.54 inches. UL and CSA approved.

Rotary Cam Switches

These ABS plastic enclosures come complete with a 22mm operator and contact block and meet NEMA 4, 4x, 12, 13 and IP65. Watertight, oil tight and corrosion resistant. Contacts are SPST at 10amps 600vac base mounted contacts with screw terminals. Conduit knockout holes are 13/16. UL/CSA/CE.

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