{"product_id":"rna6909-needle-roller-bearing-52x68x40mm","title":"RNA6909 Needle Roller Bearing Without Inner Ring 52x68x40mm","description":"\u003ccenter\u003e\n\u003cp\u003eRNA6909 Machined Type Needle Roller Bearing Without Inner Ring 52mm x 68mm x 40mm\u003cbr\u003e✔️ RNA6909 Needle Roller Bearing Without Inner Ring 52x68x40mm\u003c\/p\u003e\n\u003cp\u003eThis machined type needle roller bearing without an inner ring is used in compact mechanical systems where high radial load capacity is needed with a small cross section. It is handy for gearboxes, machine tools, and shaft-supported housings where the shaft itself acts as the raceway.\u003c\/p\u003e\n\u003cp\u003e✅ Bearing type: Machined type needle roller bearing without inner ring\u003cbr\u003e✅ Inside diameter: 52mm\u003cbr\u003e✅ Outside diameter: 68mm\u003cbr\u003e✅ Width: 40mm\u003cbr\u003e✅ High radial load capacity in a slim profile\u003cbr\u003e✅ Designed for shafts used directly as raceways\u003cbr\u003e✅ Suitable for high load industrial and mechanical drive systems\u003cbr\u003e✅ Dynamic load rating: 60000N\u003cbr\u003e✅ Static load rating: 108000N\u003cbr\u003e✅ Quantity: One bearing\u003c\/p\u003e\n\u003cp\u003eDimensions (mm)\u003c\/p\u003e\n\u003cpre\u003e\u003ccode\u003eItem ID OD W r(min)\nRNA6909 52 68 40 1\n\u003c\/code\u003e\u003c\/pre\u003e\n\u003cp\u003e💡 Why use a needle roller bearing without an inner ring in high load compact assemblies?\u003cbr\u003eThese bearings are chosen when space is tight and the shaft can serve as a hardened raceway surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eAllows higher load capacity compared to ball bearings in the same envelope\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReduces overall assembly size by eliminating the inner ring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorks well in gear trains and transmission shafts with hardened journals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps improve rigidity and load handling in compact drive designs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA strong choice for heavy radial loads where space savings and solid shaft support make a real difference in performance.\u003c\/p\u003e\n\u003ctable cellspacing=\"2\" cellpadding=\"10\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd align=\"CENTER\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/center\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43583454642411,"sku":"RNA6909","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/1_cb172567-70b0-45db-a123-66f9b73e7cda.jpg?v=1770447087","url":"https:\/\/vxb.com\/products\/rna6909-needle-roller-bearing-52x68x40mm","provider":"VXB Bearings","version":"1.0","type":"link"}