{"product_id":"nsk-wbk-31-ball-screw-support-units-machine-tool","title":"NSK WBK-31 Ball Screw Support Units for Machine Tools (DF, DFD, DFF)","description":"\u003cp class=\"ps-intro\"\u003eNSK WBK-31 high-load ball screw support units for machine tools with preloaded TAC thrust angular contact bearings in DF, DFD or DFF arrangement, shaft 17 to 40 mm.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003ePre-assembled, preload-controlled TAC bearing set\u003c\/li\u003e\n\u003cli\u003eDF (2 rows), DFD (3 rows) or DFF (4 rows) arrangements\u003c\/li\u003e\n\u003cli\u003eDust seals, collars, shims and lock nut included\u003c\/li\u003e\n\u003cli\u003eGrease packed; ready to install\u003c\/li\u003e\n\u003cli\u003eLock nut also sold separately\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\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eWBK-31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing\u003c\/th\u003e\n\u003ctd\u003eTAC thrust angular contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft range\u003c\/th\u003e\n\u003ctd\u003e17 - 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eGrease packed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eNSK Super Precision Bearings, p. 114-115\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\u003eWBK17DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 17 mm | D: 70 mm | L: 60 mm | Ca: 21,900 N | Max axial load: 26,600 N | Rigidity: 750 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK20DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 20 mm | D: 70 mm | L: 60 mm | Ca: 21,900 N | Max axial load: 26,600 N | Rigidity: 750 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK25DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 25 mm | D: 85 mm | L: 66 mm | Ca: 28,500 N | Max axial load: 40,500 N | Rigidity: 1000 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK25DFD-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 25 mm | D: 85 mm | L: 81 mm | Ca: 46,500 N | Max axial load: 81,500 N | Rigidity: 1470 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK30DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 30 mm | D: 85 mm | L: 66 mm | Ca: 29,200 N | Max axial load: 43,000 N | Rigidity: 1030 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK30DFD-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 30 mm | D: 85 mm | L: 81 mm | Ca: 47,500 N | Max axial load: 86,000 N | Rigidity: 1520 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK35DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 35 mm | D: 95 mm | L: 66 mm | Ca: 31,000 N | Max axial load: 50,000 N | Rigidity: 1180 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK35DFD-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 35 mm | D: 95 mm | L: 81 mm | Ca: 50,500 N | Max axial load: 100,000 N | Rigidity: 1710 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK35DFF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 35 mm | D: 95 mm | L: 96 mm | Ca: 50,500 N | Max axial load: 100,000 N | Rigidity: 2350 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK40DF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 40 mm | D: 95 mm | L: 66 mm | Ca: 31,500 N | Max axial load: 52,000 N | Rigidity: 1230 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK40DFD-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 40 mm | D: 95 mm | L: 81 mm | Ca: 51,500 N | Max axial load: 104,000 N | Rigidity: 1810 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWBK40DFF-31\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003ed: 40 mm | D: 95 mm | L: 96 mm | Ca: 51,500 N | Max axial load: 104,000 N | Rigidity: 2400 N\/um\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"NSK","offers":[{"title":"Default Title","offer_id":67576419156258,"sku":"WBK17DF-31","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/nsk-wbk-31-ball-screw-support-units-machine-tool.jpg?v=1792671391","url":"https:\/\/prosourcemro.com\/products\/nsk-wbk-31-ball-screw-support-units-machine-tool","provider":"ProSource MRO","version":"1.0","type":"link"}