{"id":2649,"date":"2026-05-08T16:18:38","date_gmt":"2026-05-08T16:18:38","guid":{"rendered":"https:\/\/www.machinerybearings.com\/"},"modified":"2026-05-08T16:20:11","modified_gmt":"2026-05-08T16:20:11","slug":"high-temperature-resistance-of-ceramic-bearings-in-industrial-systems","status":"publish","type":"post","link":"https:\/\/www.machinerybearings.com\/cs\/high-temperature-resistance-of-ceramic-bearings-in-industrial-systems\/","title":{"rendered":"Odolnost keramick\u00fdch lo\u017eisek v\u016f\u010di vysok\u00fdm teplot\u00e1m v pr\u016fmyslov\u00fdch syst\u00e9mech"},"content":{"rendered":"<p>V modern\u00edch pr\u016fmyslov\u00fdch prost\u0159ed\u00edch mnoho mechanick\u00fdch syst\u00e9m\u016f funguje za extr\u00e9mn\u00edch tepeln\u00fdch podm\u00ednek. Za\u0159\u00edzen\u00ed, jako jsou stroje na v\u00fdrobu oceli, komponenty pro letectv\u00ed, syst\u00e9my chemick\u00e9ho zpracov\u00e1n\u00ed a vysokorychlostn\u00ed elektrick\u00e9 motory, \u010dasto \u010del\u00ed neust\u00e1l\u00e9mu vystaven\u00ed zv\u00fd\u0161en\u00fdm teplot\u00e1m. V takov\u00fdch n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch mohou konven\u010dn\u00ed ocelov\u00e1 lo\u017eiska trp\u011bt tepelnou expanz\u00ed, rozkladem maziva, oxidac\u00ed a sn\u00ed\u017eenou mechanickou pevnost\u00ed.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.machinerybearings.com\/cs\/kategorie-produktu\/ceramic-bearings\/\"><strong><em>Keramick\u00e1 lo\u017eiska<\/em><\/strong><\/a>, zejm\u00e9na ta vyroben\u00e1 z pokro\u010dil\u00fdch materi\u00e1l\u016f, jako je nitrid k\u0159emi\u010dit\u00fd (Si\u2083N\u2084) a zirkon (ZrO\u2082), nab\u00edzej\u00ed vynikaj\u00edc\u00ed odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m a stabilitu, co\u017e z nich \u010din\u00ed st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed \u0159e\u0161en\u00ed v pr\u016fmyslov\u00fdch syst\u00e9mech.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls.png\" alt=\"\" class=\"wp-image-2555\" srcset=\"https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls.png 1000w, https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls-300x300.png 300w, https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls-150x150.png 150w, https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls-768x768.png 768w, https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls-600x600.png 600w, https:\/\/www.machinerybearings.com\/wp-content\/uploads\/2026\/04\/6205-Hybrid-Ceramic-Ball-Bearing-Si\u2083N\u2084-Balls-100x100.png 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Pro\u010d je v\u00fdkon p\u0159i vysok\u00fdch teplot\u00e1ch d\u016fle\u017eit\u00fd u lo\u017eisek<\/h2>\n\n\n\n<p>Lo\u017eiska jsou kritick\u00e9 komponenty v rota\u010dn\u00edch stroj\u00edch. P\u0159i vystaven\u00ed vysok\u00fdm teplot\u00e1m mohou tradi\u010dn\u00ed lo\u017eiska za\u017e\u00edvat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozklad nebo odpa\u0159ov\u00e1n\u00ed maziva<\/li>\n\n\n\n<li>Zv\u00fd\u0161en\u00e9 t\u0159en\u00ed a opot\u0159eben\u00ed<\/li>\n\n\n\n<li>Rozm\u011brovou nestabilitu zp\u016fsobenou tepelnou expanz\u00ed<\/li>\n\n\n\n<li>Sn\u00ed\u017eenou tvrdost a odolnost proti \u00fanav\u011b<\/li>\n\n\n\n<li>P\u0159ed\u010dasn\u00e9 selh\u00e1n\u00ed p\u0159i nep\u0159etr\u017eit\u00e9m provozu<\/li>\n<\/ul>\n\n\n\n<p>V pr\u016fmyslov\u00fdch syst\u00e9mech m\u016f\u017ee i drobn\u00e9 selh\u00e1n\u00ed lo\u017eiska v\u00e9st k n\u00e1kladn\u00fdm prostoj\u016fm, bezpe\u010dnostn\u00edm rizik\u016fm a po\u0161kozen\u00ed za\u0159\u00edzen\u00ed. Proto je tepeln\u00e1 stabilita kl\u00ed\u010dov\u00fdm po\u017eadavkem na design.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Vynikaj\u00edc\u00ed tepeln\u00e1 stabilita keramick\u00fdch materi\u00e1l\u016f<\/h2>\n\n\n\n<p>Keramick\u00e9 materi\u00e1ly vykazuj\u00ed vynikaj\u00edc\u00ed struktur\u00e1ln\u00ed stabilitu p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Na rozd\u00edl od kov\u016f se p\u0159i teple snadno nezm\u011bk\u010duj\u00ed ani neztr\u00e1cej\u00ed tvrdost.<\/p>\n\n\n\n<p>Kl\u00ed\u010dov\u00e9 vlastnosti zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vysokou teplotu t\u00e1n\u00ed (\u010dasto nad 1 200 \u00b0C pro nitrid k\u0159emi\u010dit\u00fd)<\/li>\n\n\n\n<li>N\u00edzkou tepelnou vodivost (sni\u017euje p\u0159enos tepla na okoln\u00ed komponenty)<\/li>\n\n\n\n<li>Vynikaj\u00edc\u00ed odolnost v\u016f\u010di tepeln\u00e9mu \u0161oku<\/li>\n\n\n\n<li>Stabiln\u00ed krystalovou strukturu p\u0159i vysok\u00fdch teplot\u00e1ch<\/li>\n<\/ul>\n\n\n\n<p>To umo\u017e\u0148uje keramick\u00fdm lo\u017eisk\u016fm udr\u017eovat v\u00fdkon tam, kde ocelov\u00e1 lo\u017eiska za\u010d\u00ednaj\u00ed degradovat.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Sn\u00ed\u017een\u00e1 tepeln\u00e1 rozta\u017enost pro lep\u0161\u00ed rozm\u011brovou p\u0159esnost<\/h2>\n\n\n\n<p>Jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch v\u00fdhod keramick\u00fdch lo\u017eisek je jejich n\u00edzk\u00fd koeficient tepeln\u00e9 rozta\u017enosti.<\/p>\n\n\n\n<p><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi mathvariant=\"normal\">\u0394<\/mi><mi>L<\/mi><mo>=<\/mo><mi>\u03b1<\/mi><msub><mi>L<\/mi><mn>0<\/mn><\/msub><mi mathvariant=\"normal\">\u0394<\/mi><mi>T<\/mi><\/mrow><annotation encoding=\"application\/x-tex\">\\Delta L = \\alpha L_{0} \\Delta T<\/annotation><\/semantics><\/math>\u0394L=\u03b1L0\u200b\u0394T<\/p>\n\n\n\n<p>Kde tepeln\u00e1 rozta\u017enost z\u00e1vis\u00ed na koeficientu rozta\u017enosti materi\u00e1lu (\u03b1). Keramick\u00e9 materi\u00e1ly maj\u00ed v\u00fdrazn\u011b ni\u017e\u0161\u00ed \u03b1 ne\u017e ocel, co\u017e znamen\u00e1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Men\u0161\u00ed rozm\u011brov\u00e9 zm\u011bny p\u0159i zah\u0159\u00e1t\u00ed<\/li>\n\n\n\n<li>Stabiln\u011bj\u0161\u00ed v\u016fle mezi valiv\u00fdmi prvky a dr\u00e1hami<\/li>\n\n\n\n<li>Sn\u00ed\u017een\u00e9 riziko zablokov\u00e1n\u00ed nebo nadm\u011brn\u00e9ho p\u0159edp\u011bt\u00ed<\/li>\n<\/ul>\n\n\n\n<p>To je obzvl\u00e1\u0161\u0165 d\u016fle\u017eit\u00e9 u p\u0159esn\u00fdch stroj\u016f pracuj\u00edc\u00edch p\u0159i vysok\u00fdch rychlostech a teplot\u00e1ch.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Vysok\u00e1 odolnost proti tvrdosti p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/h2>\n\n\n\n<p>Ocelov\u00e1 lo\u017eiska ztr\u00e1cej\u00ed tvrdost s rostouc\u00ed teplotou, co\u017e sni\u017euje odolnost proti opot\u0159eben\u00ed a nosnost. Keramick\u00e9 materi\u00e1ly v\u0161ak udr\u017euj\u00ed svou tvrdost i p\u0159i extr\u00e9mn\u00edm teple.<\/p>\n\n\n\n<p>V\u00fdhody zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabiln\u00ed odolnost proti opot\u0159eben\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch<\/li>\n\n\n\n<li>Sn\u00ed\u017een\u00e1 deformace povrchu<\/li>\n\n\n\n<li>Del\u0161\u00ed provozn\u00ed \u017eivotnost<\/li>\n\n\n\n<li>Zlep\u0161en\u00e1 odolnost v\u016f\u010di abrazivn\u00edm podm\u00ednk\u00e1m<\/li>\n<\/ul>\n\n\n\n<p>To \u010din\u00ed keramick\u00e1 lo\u017eiska vhodn\u00e1 pro pr\u016fmyslov\u00e9 prost\u0159ed\u00ed s nep\u0159etr\u017eit\u00fdm provozem.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">5. Vynikaj\u00edc\u00ed odolnost proti oxidaci a korozi<\/h2>\n\n\n\n<p>P\u0159i vysok\u00fdch teplot\u00e1ch jsou kovy n\u00e1chyln\u00e9 k oxidaci a degradaci povrchu. Keramick\u00e9 materi\u00e1ly jsou chemicky inertn\u00ed, co\u017e poskytuje silnou odolnost proti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxidaci ve vzduchu p\u0159i vysok\u00fdch teplot\u00e1ch<\/li>\n\n\n\n<li>Chemick\u00e1 koroze v reaktivn\u00edch prost\u0159ed\u00edch<\/li>\n\n\n\n<li>Degradace povrchu v drsn\u00fdch pr\u016fmyslov\u00fdch plynech<\/li>\n<\/ul>\n\n\n\n<p>To je zvl\u00e1\u0161\u0165 p\u0159\u00ednosn\u00e9 v:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemick\u00fdch zpracovatelsk\u00fdch z\u00e1vodech<\/li>\n\n\n\n<li>Za\u0159\u00edzen\u00ed pro pece<\/li>\n\n\n\n<li>Plynov\u00e9 turb\u00edny<\/li>\n\n\n\n<li>Petrochemick\u00e9 syst\u00e9my<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6. V\u00fdkon bez omezen\u00ed konven\u010dn\u00edho maz\u00e1n\u00ed<\/h2>\n\n\n\n<p>Maziva pou\u017e\u00edvan\u00e1 ve ocelov\u00fdch lo\u017eisk\u00e1ch se rychle degraduj\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch, co\u017e vede ke zv\u00fd\u0161en\u00e9mu t\u0159en\u00ed a riziku selh\u00e1n\u00ed. Keramick\u00e1 lo\u017eiska sni\u017euj\u00ed z\u00e1vislost na maz\u00e1n\u00ed d\u00edky:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ni\u017e\u0161\u00edmu koeficientu t\u0159en\u00ed<\/li>\n\n\n\n<li>Hlad\u0161\u00edmu povrchov\u00e9mu zpracov\u00e1n\u00ed<\/li>\n\n\n\n<li>Vysok\u00e9 odolnosti proti opot\u0159eben\u00ed<\/li>\n<\/ul>\n\n\n\n<p>V n\u011bkter\u00fdch aplikac\u00edch p\u0159i vysok\u00fdch teplot\u00e1ch mohou keramick\u00e1 lo\u017eiska fungovat v:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Such\u00fdch podm\u00ednk\u00e1ch<\/li>\n\n\n\n<li>Minim\u00e1ln\u00edch mazac\u00edch prost\u0159ed\u00edch<\/li>\n\n\n\n<li>Vakuov\u00fdch nebo kontrolovan\u00fdch atmosf\u00e9r\u00e1ch<\/li>\n<\/ul>\n\n\n\n<p>To v\u00fdrazn\u011b roz\u0161i\u0159uje jejich pr\u016fmyslovou pou\u017eitelnost.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7. Odolnost proti tepeln\u00e9mu \u0161oku v dynamick\u00fdch syst\u00e9mech<\/h2>\n\n\n\n<p>Pr\u016fmyslov\u00e9 za\u0159\u00edzen\u00ed \u010dasto za\u017e\u00edv\u00e1 rychl\u00e9 zm\u011bny teploty. Keramick\u00e1 lo\u017eiska vykazuj\u00ed vynikaj\u00edc\u00ed odolnost proti tepeln\u00e9mu \u0161oku d\u00edky jejich:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00edzk\u00e9 tepeln\u00e1 rozta\u017enost<\/li>\n\n\n\n<li>Vysok\u00e1 mechanick\u00e1 pevnost<\/li>\n\n\n\n<li>Stabiln\u00ed mikrostruktura<\/li>\n<\/ul>\n\n\n\n<p>To jim umo\u017e\u0148uje odol\u00e1vat:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e1hl\u00fdm cykl\u016fm zah\u0159\u00edv\u00e1n\u00ed a chlazen\u00ed<\/li>\n\n\n\n<li>Proces\u016fm start-stop v pr\u016fmyslu<\/li>\n\n\n\n<li>Rychl\u00fdm tepeln\u00fdm v\u00fdkyv\u016fm<\/li>\n<\/ul>\n\n\n\n<p>Takov\u00e9 vlastnosti jsou nezbytn\u00e9 v letectv\u00ed a syst\u00e9mech vysokorychlostn\u00ed v\u00fdroby.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Sn\u00ed\u017een\u00e9 t\u0159en\u00ed a generov\u00e1n\u00ed tepla p\u0159i vysok\u00fdch teplot\u00e1ch<\/h2>\n\n\n\n<p>Proto\u017ee keramick\u00e9 materi\u00e1ly maj\u00ed n\u00edzkou hustotu a hladk\u00e9 povrchov\u00e9 vlastnosti, generuj\u00ed m\u00e9n\u011b t\u0159en\u00ed ve srovn\u00e1n\u00ed s ocelov\u00fdmi lo\u017eisky. To vede k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ni\u017e\u0161\u00edm provozn\u00edm teplot\u00e1m<\/li>\n\n\n\n<li>Sn\u00ed\u017een\u00e9 akumulaci tepla<\/li>\n\n\n\n<li>Zlep\u0161en\u00e9 energetick\u00e9 \u00fa\u010dinnosti<\/li>\n\n\n\n<li>Del\u0161\u00ed \u017eivotnosti syst\u00e9mu<\/li>\n<\/ul>\n\n\n\n<p>To vytv\u00e1\u0159\u00ed pozitivn\u00ed zp\u011btnou vazbu, kde ni\u017e\u0161\u00ed t\u0159en\u00ed sni\u017euje teplo a ni\u017e\u0161\u00ed teplo d\u00e1le zlep\u0161uje v\u00fdkon.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u016fmyslov\u00e9 aplikace keramick\u00fdch lo\u017eisek p\u0159i vysok\u00fdch teplot\u00e1ch<\/h2>\n\n\n\n<p>D\u00edky sv\u00e9 vynikaj\u00edc\u00ed tepeln\u011b odolnosti jsou keramick\u00e1 lo\u017eiska \u0161iroce pou\u017e\u00edv\u00e1na v:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Turb\u00ednov\u00fdch motorech letectv\u00ed<\/li>\n\n\n\n<li>Ocel\u00e1\u0159sk\u00fdch a metalurgick\u00fdch za\u0159\u00edzen\u00edch<\/li>\n\n\n\n<li>Elektrick\u00fdch motorech p\u0159i vysok\u00fdch teplot\u00e1ch<\/li>\n\n\n\n<li>Stroj\u00edch pro chemick\u00e9 zpracov\u00e1n\u00ed<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 pece a v\u00fdhn\u00ed<\/li>\n\n\n\n<li>Syst\u00e9my pro v\u00fdrobu polovodi\u010d\u016f<\/li>\n<\/ul>\n\n\n\n<p>V t\u011bchto aplikac\u00edch je spolehlivost p\u0159i vysok\u00fdch teplot\u00e1ch kritick\u00e1 pro nep\u0159etr\u017eit\u00fd provoz.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">10. Budouc\u00ed v\u00fdvojov\u00e9 trendy<\/h2>\n\n\n\n<p>S rostouc\u00ed popt\u00e1vkou po vysoce efektivn\u00edch a vysoce teplotn\u00edch pr\u016fmyslov\u00fdch syst\u00e9mech technologie keramick\u00fdch lo\u017eisek nad\u00e1le vyv\u00edjej\u00ed. Kl\u00ed\u010dov\u00e9 trendy zahrnuj\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hybridn\u00ed konstrukce keramicko-oce\u013eov\u00fdch lo\u017eisek<\/li>\n\n\n\n<li>Pokro\u010dil\u00e9 povrchov\u00e9 n\u00e1t\u011bry pro extr\u00e9mn\u00ed prost\u0159ed\u00ed<\/li>\n\n\n\n<li>Zlep\u0161en\u00e1 odolnost proti zlomen\u00ed keramiky<\/li>\n\n\n\n<li>Integrace do inteligentn\u00edch prediktivn\u00edch \u00fadr\u017ebov\u00fdch syst\u00e9m\u016f<\/li>\n\n\n\n<li>Optimalizace pro podm\u00ednky vysok\u00e9 rychlosti + vysok\u00e9 teploty<\/li>\n<\/ul>\n\n\n\n<p>Tyto inovace roz\u0161i\u0159uj\u00ed roli keramick\u00fdch lo\u017eisek v pr\u016fmyslov\u00fdch syst\u00e9mech nov\u00e9 generace.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p>Keramick\u00e1 lo\u017eiska poskytuj\u00ed v\u00fdjime\u010dnou odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m ve srovn\u00e1n\u00ed s tradi\u010dn\u00edmi ocelov\u00fdmi lo\u017eisky, co\u017e je \u010din\u00ed kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed modern\u00edch pr\u016fmyslov\u00fdch syst\u00e9m\u016f. Jejich schopnost udr\u017eovat tvrdost, rozm\u011brovou stabilitu a n\u00edzk\u00e9 t\u0159en\u00ed p\u0159i extr\u00e9mn\u00edch tepeln\u00fdch podm\u00ednk\u00e1ch zaji\u0161\u0165uje spolehliv\u00fd v\u00fdkon v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch.<\/p>\n\n\n\n<p>Jak pr\u016fmyslov\u00e9 aplikace nad\u00e1le sm\u011b\u0159uj\u00ed k vy\u0161\u0161\u00edm teplot\u00e1m, rychlej\u0161\u00edm rychlostem a v\u011bt\u0161\u00ed efektivit\u011b, technologie keramick\u00fdch lo\u017eisek bude hr\u00e1t st\u00e1le d\u016fle\u017eit\u011bj\u0161\u00ed roli p\u0159i zlep\u0161ov\u00e1n\u00ed trvanlivosti syst\u00e9m\u016f a provozn\u00ed bezpe\u010dnosti.<\/p>","protected":false},"excerpt":{"rendered":"<p>In modern industrial environments, many mechanical systems operate under extreme thermal conditions. Equipment such as steel production machinery, aerospace components, chemical processing systems, and high-speed electric motors often face continuous exposure to elevated temperatures. In such demanding conditions, conventional steel bearings can suffer from thermal expansion, lubrication breakdown, oxidation, and reduced mechanical strength. Ceramic bearings, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2555,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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