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You are here: Home / Industry News / Ultra-high speed angular contact ball bearing

Ultra-high speed angular contact ball bearing

November 17, 2016 By Mike Santora

nsk-angular-contact-ball-bearing-imageNSK has announced that it has developed an ultra high-speed angular contact ball bearing using the new SURSAVE cage, which can be applied to the NSKROBUST series of ultra-high speed angular contact bearings for the main spindle of machine tools.

The new bearing meets the increasing demand for higher accuracy, higher speed rotation and design for the environment of bearings for the main spindle of machine tools, thereby helping to improve their productivity and environmental friendliness.

In terms of running accuracy, the demand to reduce RRO (repeatable runout) and NRRO*(non-repeatable runout) in particular is growing stronger. At the same time, there is strong demand for higher speeds and lower heat generation.

NSK had already introduced the NSKROBUST series of angular contact ball bearings, which are superior to standard bearings for their high speed, low heat generation, and high rigidity. Now, however, NSK has successfully developed its new cage SURSAVE for use with the NSKROUBUST series, reduced high-speed NRRO by half and reduced heat generation by 20%, thereby achieving high performance.

Reducing NRRO of the main spindle of machine tools improves the process surface quality, and reduced heat generation helps suppress thermal displacement, thereby improving processing accuracy. In particular, this new product is very beneficial to the surface quality of dies and gears processed by machine tools. In addition, these higher levels of performance improve the overall efficiency of machining.

NSK
www.nsk.com

Filed Under: Ball Bearings, Industry News Tagged With: nsk

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