{"id":10482,"date":"2025-10-27T13:19:33","date_gmt":"2025-10-27T12:19:33","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=10482"},"modified":"2025-10-28T17:14:56","modified_gmt":"2025-10-28T16:14:56","slug":"%eb%8b%88%eb%93%a4-%eb%a1%a4%eb%9f%ac-nra-%ea%b5%ac%ed%98%95-%eb%8b%a8%eb%b6%80","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/ko\/%ec%a0%9c%ed%92%88\/%ec%9b%90%ed%86%b5-%eb%a1%a4%eb%9f%ac-%eb%b0%8f-%eb%8b%88%eb%93%a4-%eb%a1%a4%eb%9f%ac\/%eb%8b%88%eb%93%a4-%eb%a1%a4%eb%9f%ac-nra-%ea%b5%ac%ed%98%95-%eb%8b%a8%eb%b6%80\/","title":{"rendered":"\ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Needle_roller_bearing?utm_source=chatgpt.com\">\ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80 \u2013 \ucf64\ud329\ud2b8 \uace0\ud558\uc911 \uc5b4\uc148\ube14\ub9ac\ub97c \uc704\ud55c \ub77c\uc6b4\ub4dc \ub2e8\ubd80 \ub864\ub7ec<\/a><\/h2>\n<p>\ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80\ub294 \ub192\uc740 \ubc18\uacbd \ubc29\ud5a5 \ud558\uc911, \ub0ae\uc740 \ub9c8\ucc30, \ucf64\ud329\ud2b8\ud55c \uc678\ud615\uc774 \uc694\uad6c\ub418\ub294 \uc815\ubc00 \ucf00\uc774\uc9c0 \ubc0f \ub2c8\ub4e4 \ubca0\uc5b4\ub9c1 \uc5b4\uc148\ube14\ub9ac\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub77c\uc6b4\ub4dc(\ub465\uadfc) \ub2e8\ubd80\ud615 \ub2c8\ub4e4 \uc694\uc18c\uc785\ub2c8\ub2e4. \uad6c\ud615(\ub77c\uc6b4\ub4dc) \ud301\uc740 \ubaa8\uc11c\ub9ac \uc751\ub825\uc744 \uc904\uc774\uace0 \uc724\ud65c\uc720\ub97c \ubd84\uc0b0\uc2dc\ud0a4\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc8fc\uc5b4 \uae30\uc5b4\ubc15\uc2a4, \ubcc0\uc18d\uae30, \uc9c1\uc120 \uc6b4\ub3d9\uacc4, \uae30\ud0c0 \ubaa8\uc158 \ucee8\ud2b8\ub864 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ubd80\ub4dc\ub7ec\uc6b4 \ub3d9\uc791\uacfc \uae34 \uc218\uba85\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud83d\udd27 \uc8fc\uc694 \uae30\uc220 \uc0ac\uc591<\/h3>\n<ul>\n<li><strong>\ub2e8\ubd80 \ud615\uc0c1<\/strong>: NRA = \ud3c9\uba74 \ub2e8\ubd80 \ub300\ube44 \ud558\uc911 \ubd84\ud3ec\uc640 \uc724\ud65c \uc720\ub3d9\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \uad6c\ud615\/\ub77c\uc6b4\ub4dc \ub2e8\ubd80.<\/li>\n<li><strong>\uaddc\uaca9<\/strong>: DIN 5402-3 \/ ISO 3096 \uce58\uc218 \ubc0f \uc815\ubc00 \ub4f1\uae09\uc5d0 \ub530\ub77c \uc81c\uc870.<\/li>\n<li><strong>\uc7ac\uc9c8<\/strong>: \ubca0\uc5b4\ub9c1 \ud06c\ub86c \uac15 100Cr6 (AISI 52100); \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc635\uc158(AISI 420C\/440C) \ubc0f \uae30\uc220 \uc138\ub77c\ubbf9\/\uce74\ubc14\uc774\ub4dc\ub294 \uc694\uccad \uc2dc \uc81c\uacf5.<\/li>\n<li><strong>\uacbd\ub3c4 (AISI 52100)<\/strong>: \uc5f4\ucc98\ub9ac \ud6c4 \uc57d 60\u201366 HRC.<\/li>\n<li><strong>\uc77c\ubc18 \uce58\uc218<\/strong>: \uc9c0\ub984 Dw \u2248 1.0\u20136.0 mm; \uae38\uc774 Lw \u2248 5.8\u201359.8 mm (\uae30\ud0c0 \uce58\uc218\ub294 \ub3c4\uba74 \uc0ac\uc591\uc5d0 \ub530\ub984).<\/li>\n<li><strong>\uc77c\ubc18 \uacf5\ucc28<\/strong>: \uc9c0\ub984 0\/\u221210 \u00b5m; \uc815\ubc00 \ub4f1\uae09 G2, G3, G5 (ISO 3096\/DIN 5402-3 \uae30\uc900).<\/li>\n<\/ul>\n<h3>\u2705 \uc7a5\uc810<\/h3>\n<ul>\n<li><strong>\ub192\uc740 \ubc18\uacbd \ubc29\ud5a5 \ud558\uc911 \uc6a9\ub7c9<\/strong> \ucd5c\uc18c \ub2e8\uba74\uc73c\ub85c \ucf64\ud329\ud2b8\ud55c \uc124\uacc4\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubaa8\uc11c\ub9ac \uc751\ub825 \uac10\uc18c &amp; \uc724\ud65c \ud5a5\uc0c1<\/strong> \uad6c\ud615 \ub2e8\ubd80 \ub355\ubd84\uc5d0 \uc815\ub82c \ubd88\ub7c9 \uc2dc\uc5d0\ub3c4 \uc2e0\ub8b0\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc6b0\uc218\ud55c \ud45c\uba74 \ud488\uc9c8<\/strong> \ubc0f \uc5c4\uaca9\ud55c \uc120\ubcc4 \uacf5\ucc28\ub85c \ub0ae\uc740 \ub9c8\ucc30\uacfc \uc77c\uad00\ub41c \ub7f0\uc544\uc6c3\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc7ac\uc9c8 \ub2e4\uc591\uc131<\/strong> \ub9c8\ubaa8, \ubd80\uc2dd, \uc628\ub3c4 \uc694\uad6c \uc870\uac74\uc5d0 \ub9de\ucd98 \uc120\ud0dd \uac00\ub2a5.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 \ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80\uc758 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4<\/h3>\n<ul>\n<li><strong>\ub2c8\ub4e4 \ucf00\uc774\uc9c0 \ubc0f \ubca0\uc5b4\ub9c1 \uc5b4\uc148\ube14\ub9ac<\/strong>: \uac10\uc18d\uae30, \uc720\uc131 \uae30\uc5b4\ubc15\uc2a4 \ubc0f \ud558\ubaa8\ub2c9 \uae30\uc5b4\ubc15\uc2a4.<\/li>\n<li><strong>\uc790\ub3d9\ucc28 \ubcc0\uc18d\uae30<\/strong> \ubc0f \ucf64\ud329\ud2b8 \ud30c\uc6cc\ud2b8\ub808\uc778 \uc11c\ube0c\uc5b4\uc148\ube14\ub9ac.<\/li>\n<li><strong>\uc9c1\uc120 \uac00\uc774\ub4dc<\/strong>, \uacf5\uc791\uae30\uacc4, \uc18c\ud615 \ubaa8\ud130, \ubaa8\uc158 \uc2dc\uc2a4\ud15c.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 \uacf5\uae09 \uac00\ub2a5 \ub4f1\uae09 &amp; \uc0ac\uc774\uc988<\/h3>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>\ub4f1\uae09<\/strong>: G2\u2013G5 (DIN 5402-3 \/ ISO 3096); \uc694\uccad \uc2dc \ud2b9\uc218 \uc120\ubcc4 \uac00\ub2a5.<\/li>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/ball-diameters\/\"><strong>\uc9c0\ub984 \ubc94\uc704<\/strong><\/a>: \uc57d 1.0\u20136.0 mm (NRA \ud0c0\uc785); <strong>\uae38\uc774<\/strong>: \uc57d 5.8\u201359.8 mm.<\/li>\n<li><strong>\ud0c0\uc785<\/strong>: NRA (\uad6c\ud615 \ub2e8\ubd80)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-252\" src=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nra-spherical-ends.jpg\" alt=\"\" width=\"400\" height=\"196\" srcset=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nra-spherical-ends.jpg 400w, https:\/\/www.redhillballs.com\/wp-content\/uploads\/2021\/01\/needle-roller-nra-spherical-ends-300x147.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/> ::contentReference[oaicite:0]{index=0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f \ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80 \u2013 \ucf64\ud329\ud2b8 \uace0\ud558\uc911 \uc5b4\uc148\ube14\ub9ac\ub97c \uc704\ud55c \ub77c\uc6b4\ub4dc \ub2e8\ubd80 \ub864\ub7ec \ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80\ub294 \ub192\uc740 \ubc18\uacbd \ubc29\ud5a5 \ud558\uc911, \ub0ae\uc740 \ub9c8\ucc30, \ucf64\ud329\ud2b8\ud55c \uc678\ud615\uc774 \uc694\uad6c\ub418\ub294 \uc815\ubc00 \ucf00\uc774\uc9c0 \ubc0f \ub2c8\ub4e4 \ubca0\uc5b4\ub9c1 \uc5b4\uc148\ube14\ub9ac\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ub77c\uc6b4\ub4dc(\ub465\uadfc) \ub2e8\ubd80\ud615 \ub2c8\ub4e4 \uc694\uc18c\uc785\ub2c8\ub2e4. \uad6c\ud615(\ub77c\uc6b4\ub4dc) \ud301\uc740 \ubaa8\uc11c\ub9ac \uc751\ub825\uc744 \uc904\uc774\uace0 \uc724\ud65c\uc720\ub97c \ubd84\uc0b0\uc2dc\ud0a4\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc8fc\uc5b4 \uae30\uc5b4\ubc15\uc2a4, \ubcc0\uc18d\uae30, \uc9c1\uc120 \uc6b4\ub3d9\uacc4, \uae30\ud0c0 \ubaa8\uc158 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10485,"parent":10479,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10482","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80\ud615 \uace0\ud558\uc911 \uc800\ub9c8\ucc30 \ubca0\uc5b4\ub9c1\uc6a9 \ubd80\ud488<\/title>\n<meta name=\"description\" content=\"\ub2c8\ub4e4 \ub864\ub7ec NRA \uad6c\ud615 \ub2e8\ubd80\ub294 \uc591 \ub05d\uc774 \uad6c\uba74\uc73c\ub85c \uac00\uacf5\ub41c \uace0\uc815\ub3c4 \ub2c8\ub4e4 \ub864\ub7ec\ub85c, \ud3b8\uc2ec\u00b7\ubbf8\uc2a4\uc5bc\ub77c\uc778\uba3c\ud2b8 \uc2dc \uac00\uc7a5\uc790\ub9ac \uc751\ub825\uc744 \uc904\uc774\uace0 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