Group: NSK Group
Catalog excerpts
MOTION & CONTROL™ HIGH-PRECISION ANGULAR- CONTACT BALL BEARINGS
Open the catalog to page 1As one of the world's leading manufacturers of rolling bearings, linear technology components and steering systems, we can be found on almost every continent - with production facilities, sales offices and technology centres - because our customers appreciate short decision-making channels, prompt deliveries and local service. NSK commenced operations as the first Japanese manufacturer of rolling bearings back in 1916. Ever since, we have been continuously expanding and improving not only our product portfolio but also our range of services for various industrial sectors. In this context,...
Open the catalog to page 2Partnership based on trust – and trust based on quality Total Quality by NSK: The synergies of our global network of NSK Technology Centres. Just one example of how we meet our requirements for high quality. NSK is one of the leading companies with a long tradition in patent applications for machine parts. In our worldwide research centres, we not only concentrate on the development of new technologies, but also on the continual improvement of quality based on the integrated technology platform of tribology, material technology, analysis and mechatronics. More about NSK at www.nskeurope.com...
Open the catalog to page 3Picture Courtesy: Franz Kessler GmbH, Germany High-precision angular-contact ball bearings 4
Open the catalog to page 4The requirements for the main spindles on modern machine tools continue to increase. For this reason, growing demands are also being made of the spindle bearings. A reliable, continuous supply of lubrication to the working surfaces of the bearing is a particular challenge; without this lubrication, bearing operation would be impossible. The newly developed NSK angular-contact ball bearings in the ROBUSTSHOT series meet all of these requirements. Conventional oil-air lubrication methods attempt to inject the lubricant into the bearing from the side using a nozzle. The problem here, however,...
Open the catalog to page 5High-precision angular-contact ball bearings Nomenclature for angular-contact bearings with oil-air lubrication (ROBUSTSHOT series) Nomenclature system Example: Nominal bore diameter 80 BNR 10 H T E34 DB EL P3 + Y3 O-rings Degree of accuracy Bearing design Preload Series option Bearing arrangement Material ROBUSTSHOT design Cage 6
Open the catalog to page 6Code Definition Application example 80 Nominal bore diameter Bore diameter (mm) BNR Bearing design 10 Series option H Material T Cage E34 ROBUSTSHOT design seal BNR: Contact angle 18° BER: Contact angle 25° 10 = ISO series 10, 19 = ISO series 19 Rings: Bearing steel (SUJ2) Rolling elements: Ceramic (Si3N4) T: Phenolic cage guided by the outer ring Max. operating temperature 120 °C E34: Lubrication groove with 2 oil through-holes and 2 grooves on the outer ring for the O-ring SU: Universal design (single row) DU: Universal design (double row) DB: Back to back arrangemet (O-arrangement) DB...
Open the catalog to page 7High-precision angular-contact ball bearings
Open the catalog to page 8HIGH-PRECISION ANGULAR-CONTACT BALL BEARINGS ROBUSTSHOT SERIES 9
Open the catalog to page 9High-precision angular-contact ball bearings Main dimensions
Open the catalog to page 10HIGH-PRECISION ANGULAR-CONTACT BALL BEARINGS ROBUSTSHOT SERIES 11
Open the catalog to page 11European NSK Sales Offices UK NSK UK Ltd. Northern Road, Newark Nottinghamshire NG24 2JF Tel. +44 (0) 1636 605123 Fax +44 (0) 1636 643276 info-uk@nsk.com France Norway Spain NSK France S.A.S. Nordic Sales Office NSK Spain, S.A. Quartier de l’Europe NSK Europe Norwegian Branch NUF C/ Tarragona, 161 Cuerpo Bajo 2, rue Georges Guynemer Østre Kullerød 5 2a Planta, 08014 Barcelona 78283 Guyancourt Cedex N-3241 Sandefjord Tel. +34 93 2892763 Tel. +33 (0) 1 30573939 Tel. +47 33 293160 Fax +34 93 4335776 Fax +33 (0) 1 30570001 Fax +47 33 429002 info-es@nsk.com info-fr@nsk.com info-n@nsk.com Germany...
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