{"product_id":"sw4-linear-motion-ball-bushing-14-id-ball-be","title":"SW4 Linear Motion Ball Bushing - 1\/4\" ID Ball Bearing NB Systems Japan","description":"\u003cp\u003eSW4 Linear Motion Ball Bushing - NB Systems Japan\u003cbr\u003e ✨ 1\/4\" ID Precision Ball Bearing for Linear Motion Applications\u003c\/p\u003e\n\u003cp\u003eThis SW4 linear ball bushing from NB Systems (Nippon Bearing) is engineered for ultra-smooth motion in high-accuracy setups. With a 1\/4\" inch bore and made in Japan, it’s built to tight tolerances and commonly used in CNC machines, automation guides, and precision tooling across U.S. manufacturing. It features four ball circuits and a steel retainer for long-lasting performance in demanding environments.\u003c\/p\u003e\n\u003cp\u003e🟢 Pack size: 1 bearing\u003cbr\u003e🟢 Type: Linear motion ball bushing\u003cbr\u003e🟢 Bore: 1\/4\" inch (0.2500\")\u003cbr\u003e🟢 Outer diameter (D): 1\/2\" inch (0.5000\")\u003cbr\u003e🟢 Length (L): 3\/4\" inch (0.7500\")\u003cbr\u003e🟢 Flange width (B): 0.5110\"\u003cbr\u003e🟢 Overall width (W): 0.0390\"\u003cbr\u003e🟢 Outer ring diameter (D1): 0.4687\"\u003cbr\u003e🟢 Number of ball circuits: 4\u003cbr\u003e🟢 Material: Steel retainer, precision-ground components\u003cbr\u003e🟢 Brand: NB (Nippon Bearing), made in Japan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions Table:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBore (dr)\u003c\/th\u003e\n\u003cth\u003eOD (D)\u003c\/th\u003e\n\u003cth\u003eLength (L)\u003c\/th\u003e\n\u003cth\u003eB\u003c\/th\u003e\n\u003cth\u003eW\u003c\/th\u003e\n\u003cth\u003eD1\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.2500\"\u003c\/td\u003e\n\u003ctd\u003e0.5000\"\u003c\/td\u003e\n\u003ctd\u003e0.7500\"\u003c\/td\u003e\n\u003ctd\u003e0.5110\"\u003c\/td\u003e\n\u003ctd\u003e0.0390\"\u003c\/td\u003e\n\u003ctd\u003e0.4687\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Specs:\u003c\/strong\u003e\u003cbr\u003e🟢 Eccentricity: 0.0003\"\u003cbr\u003e🟢 Radial clearance: 0.0005\"\u003cbr\u003e🟢 Dynamic load rating (CN): 206 N\u003cbr\u003e🟢 Static load rating (CoN): 265 N\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"NB","offers":[{"title":"Default Title","offer_id":44718225686726,"sku":"Kit7953","price":43.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/7375\/7638\/files\/nb-sw4-14-inch-ball-bushings-linear-motion-vxb-ball-bearings-1.jpg?v=1751314444","url":"https:\/\/bearings.net\/products\/sw4-linear-motion-ball-bushing-14-id-ball-be","provider":"Bearings.net","version":"1.0","type":"link"}