Single row cylindrical roller bearings
A
NKE Austria product story
Edited by the Engineeringtalk editorial team
Jul 18, 2006
Bearing manufacturer NKE Austria introduces its new series of single row cylindrical roller bearings.
Bearing manufacturer NKE Austria introduces its new series of single row cylindrical roller bearings.
The salient feature of this series is the wide range of variants it comprises: more than 3,000 types are made to order in NKE's new assembly plant in the Austrian town of Steyr.
In addition to being exceptionally flexible, the modular production facility enables very short lead times on all products.
The applications of the new single row cylindrical roller bearings are as numerous as its variants: they are used in pumps and compressors, mechanical presses, electric motors, gearboxes, traction motors and axle bearings for railway vehicles, in steelworks and many other industrial applications.
The new roller bearings are available in 164 sizes in design variants NU, NJ and NUP.
The bearing cages are available in roller-guided and outer ring-guided versions and are made from brass and polyamide, with pressed steel versions available soon.
In addition to radial clearance groups CN (C0) as standard, C3 and C4 groups are also available.
Special versions, for example traction motor bearings (SQ1), wheel set bearings (SQ2) and electrically insulated bearings (SQ77) are available at short lead times.
To maximise their lifespan, the new cylindrical roller bearings are made from clean bearing steel.
The superior surface finish of the raceways further helps reduce friction as well as lowering the operating temperature.
The optimised geometries of raceways and rolling elements increase the loading capacity, while a modified cage design improves the formation of lubricant film.
Thanks to the improved design of bearing guiding flanges for NJ and NUP variants, the bearings can take up higher axial loads.
Misalignments can be compensated through modified contact geometry and crowned inner raceways.
Tighter tolerances for the roller sorting ensure a uniform load distribution.
In addition to these numerous technical benefits, the new cylindrical roller bearings feature optimum operational reliability and maximum cost effectiveness.
All NKE bearings are subjected to stringent quality procedures and are tested using state-of-the-art procedures and equipment.
The Steyr site is certified to ISO 9001:2000 (design, development, production and distribution of bearings) and ISO 14001.
In recognition of the exceptional quality of NKE's products, the company was awarded the prestigious Austria Quality Seal earlier this year.
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