{"product_id":"tpc-rofni-series-offset-preload-ball-screw-nut","title":"TPC Mechatronics ROFNI Series Offset Preload Ball Screw Nut (NI-Type, Flanged)","description":"\u003cp class=\"ps-intro\"\u003eThe ROFNI Series is a precision ball screw nut line from TPC Mechatronics: NI-type flanged nut with offset (lead-shift) preload in a single nut body, shaft diameters 16-80 mm.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eBall screws convert rotary motion into linear motion with high efficiency, reversibility and high positioning precision\u003c\/li\u003e\n\u003cli\u003eInternal ball circulation keeps the nut outer diameter small\u003c\/li\u003e\n\u003cli\u003eShafts are available ground or rolled in accuracy grades C0 to C10 with selectable axial clearance\/preload (P0-P4) and surface treatments\u003c\/li\u003e\n\u003cli\u003eThe table lists ball diameter, root diameter, basic dynamic and static load ratings, rigidity and main nut dimensions for each model\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuits\u003c\/th\u003e\n\u003ctd\u003e8×1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread direction\u003c\/th\u003e\n\u003ctd\u003eRight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR1605-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 16 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Dynamic load Ca: 1381 kgf | Static load Coa: 3055 kgf | Rigidity K: 45 kgf\/μm | Nut dia. D: 30 mm | Flange dia. A: 49 mm | Nut length L: 75 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR2005-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 20 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Dynamic load Ca: 1552 kgf | Static load Coa: 3879 kgf | Rigidity K: 52 kgf\/μm | Nut dia. D: 34 mm | Flange dia. A: 57 mm | Nut length L: 85 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR2505-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 25 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Dynamic load Ca: 1726 kgf | Static load Coa: 4909 kgf | Rigidity K: 61 kgf\/μm | Nut dia. D: 40 mm | Flange dia. A: 63 mm | Nut length L: 86 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR2510-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 25 mm | Lead: 10 mm | Ball dia.: 4.762 mm | Dynamic load Ca: 2957 kgf | Static load Coa: 7302 kgf | Rigidity K: 69 kgf\/μm | Nut dia. D: 46 mm | Flange dia. A: 72 mm | Nut length L: 30 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR3205-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 32 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Dynamic load Ca: 1924 kgf | Static load Coa: 6350 kgf | Rigidity K: 71 kgf\/μm | Nut dia. D: 46 mm | Flange dia. A: 72 mm | Nut length L: 87 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR3210-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 32 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Dynamic load Ca: 4810 kgf | Static load Coa: 12220 kgf | Rigidity K: 85 kgf\/μm | Nut dia. D: 54 mm | Flange dia. A: 88 mm | Nut length L: 45 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR4005-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 40 mm | Lead: 5 mm | Ball dia.: 3.175 mm | Dynamic load Ca: 2112 kgf | Static load Coa: 7996 kgf | Rigidity K: 82 kgf\/μm | Nut dia. D: 56 mm | Flange dia. A: 90 mm | Nut length L: 90 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR4010-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 40 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Dynamic load Ca: 5405 kgf | Static load Coa: 15516 kgf | Rigidity K: 98 kgf\/μm | Nut dia. D: 62 mm | Flange dia. A: 104 mm | Nut length L: 48 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR5010-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 50 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Dynamic load Ca: 6010 kgf | Static load Coa: 19634 kgf | Rigidity K: 113 kgf\/μm | Nut dia. D: 72 mm | Flange dia. A: 114 mm | Nut length L: 48 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR6310-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 63 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Dynamic load Ca: 6726 kgf | Static load Coa: 12384 kgf | Rigidity K: 132 kgf\/μm | Nut dia. D: 85 mm | Flange dia. A: 131 mm | Nut length L: 53 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eROFNIR8010-4\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eShaft dia. d: 80 mm | Lead: 10 mm | Ball dia.: 6.35 mm | Dynamic load Ca: 7353 kgf | Static load Coa: 31986 kgf | Rigidity K: 153 kgf\/μm | Nut dia. D: 105 mm | Flange dia. A: 150 mm | Nut length L: 53 mm | Circuits: 8×1 | Thread direction: Right\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"TPC Mechatronics","offers":[{"title":"Default Title","offer_id":67449616007458,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/tpc-rofni-series-offset-preload-ball-screw-nut-1.jpg?v=1791188384","url":"https:\/\/prosourcemro.com\/products\/tpc-rofni-series-offset-preload-ball-screw-nut","provider":"ProSource MRO","version":"1.0","type":"link"}