{"product_id":"bearings-zkl-nu-nj315-na-csfr-mc3-na-nu315-csfr-zxl-nu-nj315-ck","title":"ZKL NU\/NJ315 Cylindrical Roller Bearing NUNJ315","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"554\"\u003eThe ZKL NU\/NJ315 Cylindrical Roller Bearing (variants: NU315, NJ315, C3 clearance) is used in industrial rotating systems to support high radial loads while allowing axial displacement of the shaft relative to the housing. Commonly installed in electric motors, gearboxes, machine tools, and heavy-duty industrial equipment requiring high rigidity and load capacity. Maintenance teams, mechanical engineers, and system integrators use this part for repair, retrofit, or replacement to ensure stable operation and extended equipment life.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"556\" data-end=\"573\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"574\" data-end=\"1052\"\u003eThe ZKL NU315 and NJ315 bearings are widely used in heavy industrial applications such as large electric \u003ca href=\"https:\/\/plgautomation.com\/collections\/drives-motor-control\"\u003emotors\u003c\/a\u003e, pumps, rolling mills, conveyors, and gear drives where high radial load capacity and thermal expansion compensation are required. NJ-type bearings support limited axial load in one direction, while NU-type allows axial movement in both directions, making them ideal for shaft expansion applications in high-load environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1054\" data-end=\"1083\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1084\" data-end=\"1985\"\u003e• Manufacturer: ZKL \/ ZVL\u003cbr data-start=\"1109\" data-end=\"1112\"\u003e• Model \/ Part Number: NU315 \/ NJ315 (variants include C3 clearance, CSFR, etc.)\u003cbr data-start=\"1192\" data-end=\"1195\"\u003e• Product Type: Single Row Cylindrical Roller Bearing\u003cbr data-start=\"1248\" data-end=\"1251\"\u003e• Bore Diameter (d): 75 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1315\" data-end=\"1318\"\u003e• Outer Diameter (D): 160 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1384\" data-end=\"1387\"\u003e• Width (B): 37 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1443\" data-end=\"1446\"\u003e• Bearing Type: Cylindrical roller (NU or NJ design)\u003cbr data-start=\"1498\" data-end=\"1501\"\u003e• Internal Clearance: C3 (greater than normal, for thermal expansion)\u003cbr data-start=\"1570\" data-end=\"1573\"\u003e• Dynamic Load Rating: ~178 kN \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1641\" data-end=\"1644\"\u003e• Static Load Rating: ~178 kN \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1711\" data-end=\"1714\"\u003e• Reference Speed: ~3800 rpm (grease), ~4500 rpm (oil) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1806\" data-end=\"1809\"\u003e• Function: High radial load support with axial displacement capability\u003cbr data-start=\"1880\" data-end=\"1883\"\u003e• Material: Bearing-grade steel\u003cbr data-start=\"1914\" data-end=\"1917\"\u003e• Weight: Approx. 3.3–3.4 kg \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"106\" data-end=\"130\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"131\" data-end=\"254\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/bearings-zkl-nu-nj315-na-csfr-mc3-na-nu315-csfr-zxl-nu-nj315-ck?_pos=1\u0026amp;_psq=NU315\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSKF NU315 ECP Cylindrical Roller Bearing\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cbr data-start=\"170\" data-end=\"173\"\u003e• \u003ca href=\"https:\/\/plgautomation.com\/products\/fag-schaeffler-nj315-e-xl-m1-c3-cylindrical-roller-bearing?_pos=2\u0026amp;_psq=NJ315\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"whitespace-normal\"\u003eFAG NJ315-E-TVP2 Cylindrical Roller Bearing\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cbr data-start=\"212\" data-end=\"215\" data-is-only-node=\"\"\u003e• \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"whitespace-normal\"\u003eNSK NU315 EMC3 Cylindrical Roller Bearing\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"ZKL","offers":[{"title":"New","offer_id":51735014277422,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_cf050d1d-231d-46ad-b03f-c1bab0e285f0.jpg?v=1770608104","url":"https:\/\/plgautomation.com\/products\/bearings-zkl-nu-nj315-na-csfr-mc3-na-nu315-csfr-zxl-nu-nj315-ck","provider":"PLG Automation ","version":"1.0","type":"link"}