{"product_id":"tbi-sfk-miniature-ball-screw-nut","title":"TBI MOTION SFK Miniature Ball Screw Flange Nut","description":"\u003cp class=\"ps-intro\"\u003eSFK is a miniature precision ball screw flange nut for compact, light-load positioning.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eSizes run from 4 mm screw diameter with 1 mm lead up to 25 mm diameter, plus XSFK versions in 10 and 14 mm\u003c\/li\u003e\n\u003cli\u003eSmall leads give fine resolution for optics, medical, semiconductor and small automation stages\u003c\/li\u003e\n\u003cli\u003eSeveral sizes are also available with left-hand thread\u003c\/li\u003e\n\u003cli\u003eNuts are ordered to the TBI MOTION nut ordering format (series, thread direction, shaft diameter, lead, circuits, flange cut, surface treatment)\u003c\/li\u003e\n\u003cli\u003ePreload classes and accuracy grades (C0-C10) are selected separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK00401\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 4 mm | Lead: 1 mm | Ball diameter: 0.8 mm | Circuits: 1x2 | Nut OD D: 10 mm | Flange OD A: 20 mm | Flange thickness B: 3 mm | Nut length L: 12 mm | Bolt PCD W: 15 mm | Flange width H: 14 mm | Mounting hole X: 2.9 mm | Dynamic load rating Ca: 64 kgf | Static load rating C0a: 97 kgf | Stiffness: 5 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK00601\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 6 mm | Lead: 1 mm | Ball diameter: 0.8 mm | Circuits: 1x3 | Nut OD D: 12 mm | Flange OD A: 24 mm | Flange thickness B: 3.5 mm | Nut length L: 15 mm | Bolt PCD W: 18 mm | Flange width H: 16 mm | Mounting hole X: 3.4 mm | Dynamic load rating Ca: 111 kgf | Static load rating C0a: 224 kgf | Stiffness: 9 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK00801\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 8 mm | Lead: 1 mm | Ball diameter: 0.8 mm | Circuits: 1x4 | Nut OD D: 14 mm | Flange OD A: 27 mm | Flange thickness B: 4 mm | Nut length L: 16 mm | Bolt PCD W: 21 mm | Flange width H: 18 mm | Mounting hole X: 3.4 mm | Dynamic load rating Ca: 161 kgf | Static load rating C0a: 403 kgf | Stiffness: 14 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK00802\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 8 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x3 | Nut OD D: 14 mm | Flange OD A: 27 mm | Flange thickness B: 4 mm | Nut length L: 18 mm | Bolt PCD W: 21 mm | Flange width H: 18 mm | Mounting hole X: 3.4 mm | Dynamic load rating Ca: 222 kgf | Static load rating C0a: 458 kgf | Stiffness: 13 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK0082.5\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 8 mm | Lead: 2.5 mm | Ball diameter: 1.2 mm | Circuits: 1x3 | Nut OD D: 16 mm | Flange OD A: 29 mm | Flange thickness B: 4 mm | Nut length L: 26 mm | Bolt PCD W: 23 mm | Flange width H: 20 mm | Mounting hole X: 3.4 mm | Dynamic load rating Ca: 221 kgf | Static load rating C0a: 457 kgf | Stiffness: 13 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01002\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 10 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x3 | Nut OD D: 18 mm | Flange OD A: 35 mm | Flange thickness B: 5 mm | Nut length L: 28 mm | Bolt PCD W: 27 mm | Flange width H: 22 mm | Mounting hole X: 4.5 mm | Dynamic load rating Ca: 243 kgf | Static load rating C0a: 569 kgf | Stiffness: 15 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01004\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 10 mm | Lead: 4 mm | Ball diameter: 2 mm | Circuits: 1x3 | Nut OD D: 20 mm | Flange OD A: 37 mm | Flange thickness B: 6 mm | Nut length L: 34 mm | Bolt PCD W: 29 mm | Flange width H: 28 mm | Mounting hole X: 4.5 mm | Dynamic load rating Ca: 468 kgf | Static load rating C0a: 905 kgf | Stiffness: 17 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01202\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 12 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x4 | Nut OD D: 20 mm | Flange OD A: 37 mm | Flange thickness B: 5 mm | Nut length L: 28 mm | Bolt PCD W: 29 mm | Flange width H: 24 mm | Mounting hole X: 4.5 mm | Dynamic load rating Ca: 334 kgf | Static load rating C0a: 906 kgf | Stiffness: 22 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01402\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 14 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x4 | Nut OD D: 21 mm | Flange OD A: 40 mm | Flange thickness B: 6 mm | Nut length L: 23 mm | Bolt PCD W: 31 mm | Flange width H: 26 mm | Mounting hole X: 5.5 mm | Dynamic load rating Ca: 354 kgf | Static load rating C0a: 1053 kgf | Stiffness: 24 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01602\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 16 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x4 | Nut OD D: 25 mm | Flange OD A: 42 mm | Flange thickness B: 10 mm | Nut length L: 40 mm | Bolt PCD W: 35 mm | Flange width H: 29 mm | Mounting hole X: 5.5 mm | Oil hole Q: M6 | Dynamic load rating Ca: 373 kgf | Static load rating C0a: 1200 kgf | Stiffness: 26 kgf\/um | Left-hand thread available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK02002\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 20 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x6 | Nut OD D: 50 mm | Flange OD A: 80 mm | Flange thickness B: 15 mm | Nut length L: 55 mm | Bolt PCD W: 65 mm | Flange width H: 68 mm | Mounting hole X: 6.5 mm | Counterbore Y x Z: 10.5 x 6 mm | Oil hole Q: M6 | Dynamic load rating Ca: 581 kgf | Static load rating C0a: 2284 kgf | Stiffness: 48 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK02502\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 25 mm | Lead: 2 mm | Ball diameter: 1.2 mm | Circuits: 1x5 | Nut OD D: 50 mm | Flange OD A: 80 mm | Flange thickness B: 13 mm | Nut length L: 43 mm | Bolt PCD W: 65 mm | Flange width H: 68 mm | Mounting hole X: 6.5 mm | Counterbore Y x Z: 10.5 x 6 mm | Oil hole Q: M6 | Dynamic load rating Ca: 540 kgf | Static load rating C0a: 2381 kgf | Stiffness: 46 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXSFK01004\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 10 mm | Lead: 4 mm | Ball diameter: 2 mm | Circuits: 1x3 | Nut OD D: 26 mm | Flange OD A: 46 mm | Flange thickness B: 10 mm | Nut length L: 34 mm | Bolt PCD W: 36 mm | Flange width H: 28 mm | Mounting hole X: 4.5 mm | Counterbore Y x Z: 8 x 4.5 mm | Oil hole Q: M6x1 | Dynamic load rating Ca: 468 kgf | Static load rating C0a: 905 kgf | Stiffness: 17 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXSFK01404\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 14 mm | Lead: 4 mm | Ball diameter: 2.5 mm | Circuits: 1x4 | Nut OD D: 26 mm | Flange OD A: 46 mm | Flange thickness B: 10 mm | Nut length L: 45 mm | Bolt PCD W: 36 mm | Flange width H: 28 mm | Mounting hole X: 4.5 mm | Counterbore Y x Z: 8 x 4.5 mm | Oil hole Q: M6x1 | Dynamic load rating Ca: 957 kgf | Static load rating C0a: 2145 kgf | Stiffness: 16 kgf\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01205\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 12 mm | Lead: 5 mm | Nut weight: 0.08 kg | Screw shaft weight: 0.87 kg\/m | Nut type: K miniature flange nut (dimensions not tabulated in this catalog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSFK01404\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal screw diameter: 14 mm | Lead: 4 mm | Nut weight: 0.116 kg | Screw shaft weight: 1.2 kg\/m | Nut type: K miniature flange nut (dimensions not tabulated in this catalog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"TBI MOTION","offers":[{"title":"Default Title","offer_id":67456454066466,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/tbi-sfk-miniature-ball-screw-nut-1.jpg?v=1791257283","url":"https:\/\/prosourcemro.com\/products\/tbi-sfk-miniature-ball-screw-nut","provider":"ProSource MRO","version":"1.0","type":"link"}