The fluid technology industry, consisting of HVAC, hydraulic systems, and pneumatic systems, relies on components with resistance to wear, chemicals, and temperature. Plain bearings and other products from igus® possess all of the above qualities, and are also dry-running and maintenance-free, making them ideal for fluid technology.

iglide® plain bearings are manufactured from innovative high-performance plastics for a wide range of applications.  In our test laboratory, all iglide® plastics are tested intensively for coefficients of wear and friction. 10,000 tests per year provide the database for the online service life calculator.

6203Z BearingPrice

The ability to withstand impact and shock loads is one of the most important characteristics that bicycle components must have. With mountain bikes, the stakes are even higher because the parts should also be resistant to dust, dirt, and debris, which they will be significantly exposed to constantly. Plain bearings and spherical bearings from igus® fulfill all of the above requirements and more.

The affected substances are frequently used in electronics and include lead, mercury, cadmium, hexavalent chrome, polybrominated biphenyls (PBB) and diphenyl ether (PBDE). Application examples include the use of lead in solder, or as an ingredient in metallic composite bearings, and the use of PBB as a flame retardant. The substances also frequently occur in metallic alloys.

Factors that influence bearing wear include shaft selection, load, speed & type of movement, temperature, dirt/debris, and contact with chemicals. With increasing radial loads, surface pressures, and speed, the wear of the plain bearings also rises. The type of movement has considerable influence on the rate of wear as well.

6202bearingDimensions in mm

Imagine pushing a heavy cardboard box across a smooth floor. The cardboard box is heavy, and requires great force to overcome the static friction. Due to the smooth surface and the resulting low dynamic friction, the box quickly accelerates. Because of the rapid gliding motion, only a small force can be transferred to the cardboard box. Ultimately, the force applied on the carton is insufficient to overcome its static friction. The cardboard box comes to rest, once again requiring great force to overcome the static friction, and the process repeats.

Plain bearings and cable carriers are some of the many products igus® offers for the automotive industry. Whether it be onboard bearings and linear systems, onboard cable carriers, or robotics for automotive production, there are countless opportunities for increased safety and efficiency in automotive vehicles.

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With all these materials, finding the right one may seem like a daunting task. However, with a few questions about the application, we can run our undefined and determine which material is best suited for your application. Learn more about our main 5 iglide materials here.

A: In standard cases, we have very good experiences with superglues (e.g. Loctite 401). For materials like iglide® J that are difficult to bond, significantly better results are achieved with 2-component systems (e.g. Loctite 406 + Primer 770). For applications with higher temperatures, we have good experiences with epoxy resin systems (e.g. Hysol).

The terms "igus", "Apiro", "chainflex", "CFRIP", "conprotect", "CTD", "drylin", "dry-tech", "dryspin", "easy chain", "e-chain", "e-chain systems", "e-ketten", "e-kettensysteme", "e-skin", "e-spool", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "readychain", "readycable", "ReBeL", "speedigus", "triflex", "robolink", "xirodur", and "xiros" are legally protected trademarks of the igus® GmbH/ Cologne in the Federal Republic of Germany and where applicable in some foreign countries.

A: A pin gauge test is the quality check with the highest possible accuracy, because the pin gauge acts like a shaft in a real application and reproduces the narrowest diameter of the bearing. It is usually this aspect that is decisive for the application. Pin gauge inspections are particularly suitable for plastic bearings, as the irrelevant "unevenness" of the bearing due to injection molding is not taken into account. An ideal gliding surface develops later in operation, during the run-in period, when the unevenness of the bearing and the shaft smoothen.

A: Some engineers hesitate to use plastic bearings in their designs. Maybe they have trusted metal and bronze bearings for years or they simply don't think plastics can handle the tough applications or environments. Plastic bearings, however, can endure extreme temperatures, heavy loads and high speeds. However, it's important to understand both the advantages and disadvantages of the options available.

A: The variety of iglide materials have been developed to meet a variety of customer requirements over the past nearly three decades. Most applications can be technically covered by the five standard materials - iglide® G, J, X (formerly named T500), W300 (formerly named L280), and M250. But if there is a special or more sophisticated application, or concerns the last price/performance optimization for high volume production, the other iglide materials can be explored.

A: Plastic is more environmentally friendly than you’d think. There are five reasons why polymer plain bearings are considered to be environmentally friendly: the lack of external lubrication, their lightweight nature, high chemical resistance, the minimized energy required to produce a polymer bearing, and the CO2 emissions.

A: Dry-running plain bearings, such as iglide, are comprised of base polymers, reinforcing fibers, and solid lubricants that provide excellent wear and friction properties. The solid lubricants help to optimize the existing wear and friction properties of the base polymer, while the reinforcing fibers provide extra strength to the iglide material. During the operation, solid lubricant particles work their way into the shaft material, providing a better running surface. Any additional lubrication with grease or oil is neither necessary nor practical. Watch this video to learn more!

iglide® bearings are available in a wide range of standard catalog options, and customization is possible from quantities of one. Upgrade your current bearings and bushings by switching to igus®. In addition to these benefits, igus® products offer fast shipping times within 24hrs, undefined for nearly all product lines, and tested reliability.

Components used in laboratory and medical settings should be dry-running, cleanroom-compatible, and resistant to corrosion and media, among other things. igus® offers numerous solutions for medical applications, such as plain bearings, linear systems, cable carriers, and more.

igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsibushi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention in this website. The products offered by igus® are those of igus® GmbH

A: The iglide plain bearings are designed to be oversized in the free state (prior to installation) so they can be pressed into a housing (with an H7 tolerance) and then secured by a press-fit. This is achieved by the "press-in excess", i.e. the outside diameter of the bearing is, depending on the nominal outer diameter size, about 0.1 to 0.25 mm larger than the housing in the non-pressed state. The inner diameter reaches its final dimensions and tolerances only when pressed in. Learn more about how to install an iglide bearing here.

Additionally, for every bonding connection it is essential that the workpieces are cleaned thoroughly and are free of grease. This can be done with professional detergents, but also with simple fast-acting degreasers. Roughening the contact surfaces also enhances the adhesive effect. Bonding can generally only be a supporting measure and doesn't fully substitute the press-fit. Learn more about it in our blog.

6203Z bearingdimensions

Plastic plain bearings made of polymer compounds are a staple across countless industries because they are durable, can endure heavy loads, and are resistant to many aspects of harsh environments, such as dirt, debris, chemicals, and more. Read the white paper to learn more about iglide® plastic and compare it with conventional plastics.

Whether you're interested in end-to-end, fully assembled solutions or looking to build your own customizable project, let us assist you with a solution based on your specific application and requirements. Contact us via the form below or call us at (800) 521-2747  to discuss your project today!

A: Stick-slip behavior is the frictional instability that occurs when two solid bodies slide against each other. The phenomenon occurs when one body, whose static friction is significantly greater than the dynamic friction, is moved.

6203bearing

Among other things, igus® ensures through a pin gauge inspection, also called "go/no go test", that our bearings comply with the specifications and work properly after installation. Learn about how pin gauge measuring works here.

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NSK6203Z Bearing

However, this effect is undesirable on tribologically optimized materials. The resulting vibrations are transferred to the overall structure and cause squeaking or chatter. This can be counteracted by minimizing the difference between the static and dynamic friction, through methods like employing vibration-damping materials, utilizing pre-tensioned bearings, or adding lubrication.

A: Reducing costs is crucial for all businesses, and the choice of bearings determines the feasibility of using low-cost shaft materials. Plastic bushings provide more options as they can work with various shafts. iglide® plain bearings offer a wide range of materials, allowing the combination of the most suitable bearing material with the lowest-priced shaft for the application's required service life. Selecting expensive shafts and bearings that outlast the machine is unnecessary. Considerations include avoiding extremely rough shafts, which can cause wear and particle separation, and preventing excessively smooth shafts that lead to increased friction and stick-slip issues. Self-lubricating bearings are more durable in dirty environments, enabling the use of less expensive shafts, while different shaft materials react differently to bearing wear, with hard-chromed shafts showing less wear with iglide® plastic plain bearings.

Registered unit standard that has passed the end date: Repair peripherals for a personal computer or handheld computer to module level.

A: RoHS stands for "Restriction of (the use of certain) Hazardous Substances". The directive governs the restrictions on undesired ingredients in electrical and electronic equipment sold within the EC. Specific threshold values were established since there are technical limitations in many materials and products that do not permit a complete elimination.

A: Bearing wear is the removal of material on the gliding surface, which usually means at the inner diameter of the bearing. As iglide® plain bearings have no layered structure and the entire wall thickness is available as a wear surface, the bearing has no theoretical wear limit. Instead, the wear limit is determined by the permitted maximum clearance in an application.

6204bearingDimensions

As a look at the substances and these usage examples shows, these substances are irrelevant to thermoplastic polymer compounds such as our iglide® materials. The substances contained within our iglide® materials therefore fulfill the requirements of Directive 2011/65/EU (RoHS 2). EC Directive 2002/95/EC ("RoHS 1") was replaced by EC Directive 2011/65/RU ("RoHS 2") on 3 January 2013.

Plastic bushings do not require lubrication, which keeps the environment cleaner. Unlike metal or bronze bearings that require messy lubrication, every iglide plastic bushing uses solid lubricants embedded inside millions of tiny chambers that cannot be pressed out. This means the bushings do not require any oil or grease and so no contaminants are released into the environment. Plastic bushings are also extremely lightweight, which helps reduce fuel consumption and carbon dioxide output. The reduced weight leads to lower masses and subsequently lower energy consumption.

Within agricultural machinery, components need to be able to absorb high shock and impact loads, as well as be resistant to dirt, chemicals, and corrosion, all of which they will be exposed to routinely. igus® plain bearings, shafting, linear components, and cable carriers are all ideal solutions for various types of agricultural machines.

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Bearing 6203ZSpecification

Self-lubricating polymer bearings contain solid lubricants which are embedded in the homogenous material. In operation these solid lubricants reduce the coefficient of friction. They cannot be washed off like grease or oil and due to the homogenous structure they are distributed over the entire wall thickness of the bearing. Unlike in a layered structure, the entire wall thickness of the bearing is available as a wear surface with almost identical glide properties.

In just four simple steps, the iglide® expert system registers your specific requirements and then provides you with a comprehensive suitability and service life analysis of all iglide® materials.  The predictable service life offers high planning reliability to help you save on cost.  Try the service life calculator here!

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For more than 30 years, RoHS-compliant iglide® plastic plain bearings have offered a technical and economic advantage over all types of metal plain bearings. iglide® bearings are self-lubricating, maintenance-free, chemical resistant, universally applicable and reduce costs by up to 40%. They can withstand extreme temperatures and are suitable for special machine construction, underwater applications, and the food and tobacco industries.

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When the maximum application temperature is exceeded, the bearing’s wear can increase significantly depending on the material selection. In some cases, bearings only reach their minimum wear at higher temperatures. Dirt and dust can accumulate between shaft and bearing, also causing wear. Self-lubricating bearings operate without grease or other lubricants, making them resistant to dirt and dust. Polymer plain bearings are also corrosion-free and resistant against a wide range of chemicals. However, certain chemicals can change the structural properties of a plain bearing, decreasing the bearing's hardness and increasing wear.

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Construction machinery components should be able to resist all the characteristics of harsh environments: high edge loads, high surface pressures, dirt, dust, corrosion, etc. igus® offers many solutions that fulfill all of the above requirements, including plain bearings, shafting, cable carriers, cables, and more.