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The drylin® R shaft guide – dimensions identical to those of recirculating ball bearings

drylin® R linear bearings are based on highly wear-resistant polymers developed especially for linear technology. The dimensions are compatible with standard ball bearings.

The special shape of the shaft guides and shaft bearings guarantee toughness and precision – even under extreme environmental conditions.

Linear shafts

drylin® R shaft

  • Made of aluminium, steel or stainless steel
  • Corrosion-free
  • High load capacity

Purchase shafts here

Pillow blocks

drylin® R pillow blocks

  • Easy assembly
  • High static load
  • Liner replaceable

Purchase pillow blocks here

Linear plain bearings

drylin® R linear plain bearings

  • Closed or split
  • Compensates for alignment errors
  • Open for supported shafts

Purchase linear plain bearings here

drylin® innovations 2021 - Get to know the new linear round shafts with increased stiffness now

Tech up, cost down: we will always give you at least one of the two. That is our profession and what we have offered for many years. The challenges of the "upside-down" year of 2021 have spurred us on to improve our efforts. Experience the drylin® innovations of 2021.

About the new linear round shafts
New products in 2021

drylin® R linear round guide

The benefits at a glance

  • 100 % lubrication-free
  • Dimensions identical to standard ball bearings
  • Large variety of choice in housing shapes
  • Shafts, shaft end blocks and accessories available from stock
  • 8 different shaft materials
  • Replaceable liners
  • VA stainless steel housing available

Why choose drylin® R shaft guides?


One to one replacement very easy

Thanks to dimensions identical with commercially available shaft guides with recirculating ball bearing systems

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FDA compliance with stainless steel

Can also be deployed in the food industry and the pharmaceutical industry as hygiene is provided

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High precision

Thanks to adjustable bearing clearance at the sliding elements

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Tough and flexible

Thanks to absorbing forces from all directions

drylin® R is especially quiet

Quiet operation

Low vibration and quiet movement 

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Resistant to dirt

Thanks to lubrication-free sliding elements that push away the dirt on the running surfaces of the shafts

Longer product life cycle


drylin® linear technology uses  not a single drop of lubricating oil . In addition, our tribologically optimised materials produce less microabrasion than commercially available plastics.  Longer service life also has a positive net effect on the environment.

No lubrication required

drylin® R quad block – open or closed design

The drylin® R quad block is offered in open or closed design. In the open version, the linear carriage can be used for supported linear shafts.

  • Aluminium housing
  • Lightweight design
  • Different installation sizes
  • Simple and quick assembly

Buy here
drylin® R quad block for linear applications

drylin® R plain bearing liners

Liners for a large number of applications

Suitable for your drylin® R linear system

Find the suitable plain bearing liner for your application need. Whether for high speed or temperatures from -50°C to +250°C or with FDA/EU conformity. igus® offers the ideal material for your drylin® R application.   

  • Low coefficient of friction
  • Optimised wear quality
  • 100% lubrication-free
  • Extremely lightweight
  • High chemical resistance

More information

Easy one-to-one replacement!

Order a sample of our linear bearings now and discover the advantages of drylin® R linear bearing technology for yourself.

Order here.
drylin R linear bearings sample

Configure a complete system

You can use the drylin® linear guides expert to quickly and easily configure an individual linear guide for your application in just five steps.

Configure here

Selected application examples

The drylin® R shaft guide is based on especially developed highly wear-resistant polymers. The dimensions are compatible with standard ball bearings. The special shape permits their use even in extreme environments.

young engineers support

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Do you attend school or university and need assistance? igus® is happy to help! Free samples, expertise, catalogues and thesis publication – we will give you all the support you need. Request it here!

yes samples and catalogues

drylin® test laboratory

Tested and proven.

Our drylin® products are tested in a test laboratory under a variety of conditions to ensure that they function reliably even in tough environments. Here we show you what is tested and how, and what happens to our test data. You can even have your application tested at igus®.

To the drylin® test laboratory

Fact check: plain bearings vs. rolling bearing

Characteristics of
igus® plain bearings
Characteristics of
rolling bearings
Technical data of
igus® plain bearings
Technical data of rolling bearingsEspecially relevant
for the following industries:
Precision++++0.02 - 0.15mm0.001 - 0.01mmMachine tools, CNC processing, electronics manufacturing
Completely lubrication-free++++  Medicine, packaging, food, cleanroom, consumer goods
Maintenance-free++++  For many different branches of industry
Weight advantage++++Aluminium approx. 2.7g/cm³
Polymer approx. 1.5g/cm³
Steel approx. 7.8g/cm³Handling, automation, laboratory, leisure time
Highly dynamic responsiveness in the case of low loads++++  Packaging, handling, automation
Highly dynamic responsiveness in the case of high loads++++  Packaging, handling, automation
Stroke length variance+++++  Camera technology, textile
Coefficient of friction++++0.15 - 0.3 µ0.001 - 0.05 µManual adjustment, pivoting
Sensitivity to dirt++++  Packaging, stone, textile, paper, painting equipment
Noise dampening ¹+++++45 dB60 dBMedicine, laboratory, furniture
Cost advantage+++++  For many different branches of industry
Protection against corrosion+++  Filling systems, chemicals, food
Magnetism++++Plastic, aluminiumSteelMedicine, testing instruments
Chemical resistance++++1.4751 + iglidur® X1.4112Medicine, food, electroplating, filling systems
Compatibility of the modules++++  Jig construction, assembly line automation
Quiet operation without any vibration+++++  Camera technology, inspection, medicine, 3D printer
Short-stroke suitability++++  Textile, handling
Easy to fit and quick replacement++++  Jig construction, assembly line automation
Rigidity++++  Machine tools, CNC processing, electronics manufacturing
Long travels of more than 10m+++  Camera, material handling, logistics
Temperature-resistant++++up to +250 °C Chemicals
Smooth running++++  Manual adjustment
Maximum acceleration ²+++++50m/s²15m/s²Automation, handling
Maximum speed ²++++30 m/s5 - 10m/sAutomation, handling

1) Measured in the igus® laboratory, 400mm stroke, manual adjustment
2) When subjected to low loads, depending on installation size 0.1 to 5kg
Characteristics: +++ strong ++ average + weak

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", "igutex", "kineKIT", "manus", "motion plastics", "pikchain", "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.

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, Mitsubishi, NUM,Parker, Bosch Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mention on this website. The products offered by igus® are those of igus® GmbH