MachLine the perfect solution for your machine tools
MachLine: Machine Tools - NTN Bearing
MachLine: Machine Tools - NTN Bearing
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<strong>MachLine</strong> ® HNS – N:<br />
<strong>for</strong> extreme conditions<br />
SNR offers <strong>MachLine</strong> HNS <strong>for</strong> applications where <strong>the</strong> bearing is operating at extreme<br />
speed or load conditions. It was developed <strong>for</strong> <strong>the</strong> aviation and aerospace industries.<br />
General features<br />
This bearing has stainless steel rings and ceramic<br />
balls.<br />
XD15N steel is a nitrogen-streng<strong>the</strong>ned martensitic<br />
stainless steel, developed by SNR in partnership<br />
with Aubert & Duval. It is highly corrosion-resistant<br />
and resistant to wear and surface damage.<br />
Per<strong>for</strong>mance<br />
of XD15N steel…<br />
Its conventional manufacturing methods using ESR<br />
(Electro Slag Remelted) - and its highly machinable<br />
property make this a very high per<strong>for</strong>mance steel,<br />
with excellent cleanliness, guaranteeing greater<br />
fatigue resistance than conventional steel.<br />
… and ceramic balls<br />
This bearing uses ceramic balls to give all <strong>the</strong> lubricant<br />
and wear advantages of ceramic-steel contact – high<br />
resistance to wear and deterioration (see page 31).<br />
The SNR research and test center has<br />
established coefficient a 2 in calculating<br />
<strong>the</strong> corrected service life <strong>for</strong> XD15N<br />
– a value of 2.8 (see page 20).<br />
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