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igus® Ltd.

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Combine slewing ring bearings with iglidur® gears

How to find the right combination of slewing ring bearing and gear


If you would like to combine our iglidur® PRT slewing ring bearings with the right iglidur gear, there are a few things to consider. We have summarised all important information about this in our Guide.

Thanks to iglidur® high-performance plastics, both components require no additional lubrication and are maintenance-free. This is due to incorporated solid lubricants, which are released in tiny quantities and always sufficiently lubricate the bearing area.
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Further information on our products

PRT slewing ring bearings

PRT slewing ring bearing with inner drive teeth
Find out more

iglidur® gears

iglidur gear
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iglidur® gear racks

iglidur gear rack
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PRT slewing ring bearing and iglidur gear

How to find the right combination of slewing ring bearing and gear

1. The part number of our toothed PRT slewing ring bearings that can be combined with our gears ends in -ST.

2. Use the PRT expert to select the right PRT slewing ring bearing and specify the load and type of application there.

3. You can also use the PRT expert to calculate the required drive torque.

4. You can find the module and number of teeth of the PRT in the tables below.
Part No.zModuleDTooth width
PRT04-50-TO-ST11811201
PRT04-60-TO-ST12811301
PRT04-100-TO-ST16811701
PRT04-150-TO-ST21812201
PRT04-200-TO-ST26812701
PRT04-300-TO-ST36813701
Part No.zModuleDTooth width
PRT-04-50-TO-AT1038?118.91
PRT-04-60-TO-AT1042 131.71
PRT-04-100-TO-AT1054 169.91
PRT-04-150-TO-AT1070 220.81
PRT-04-200-TO-AT1086 271.71
PRT-04-300-TO-AT10117 370.41
Part No.zModuleDTooth width
PRT-04-50-TO-HTD5M76?1201
PRT-04-60-TO-HTD5M83 1311
PRT-04-100-TO-HTD5M108 170.91
PRT-04-150-TO-HTD5M140 221.81
PRT-04-200-TO-HTD5M171 271.21
PRT-04-300-TO-HTD5M234 371.41

Guidelines - combine slewing ring bearings and gears correctly

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✅ Select the right module
✅ What to consider when it comes to spacing
✅ The correct tooth width
✅ This is how the part number reveals the suitable product
✅ These forces are possible
✅ Use motors 

Guideline preview ✅ Find lots of information
✅ Order a free gears sample
✅ Order a free sample box
✅ Download the gears brochure
✅ Get the gears checklist
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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