{"product_id":"hc7008-e-t-p4s-ul","title":"FAG HC7008-E-T-P4S-UL Hybrid Ceramic Super-Precision Spindle Bearing (40mm, 25°, P4, light preload)","description":"\u003ch3\u003eFAG HC7008-E-T-P4S-UL — Hybrid Ceramic Super-Precision Spindle Bearing\u003c\/h3\u003e\n\u003cp\u003eHybrid Ceramic Super-Precision Spindle Bearing from FAG’s super-precision range, for grinding, milling and high-speed machine-tool spindles where running accuracy is required. Universally matchable for paired or multi-bearing arrangements. Sold per bearing — order the quantity your arrangement requires.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FAG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesignation:\u003c\/strong\u003e HC7008-E-T-P4S-UL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Hybrid Ceramic Super-Precision Spindle Bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore (d):\u003c\/strong\u003e 40 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside diameter (D):\u003c\/strong\u003e [confirm from datasheet] mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth (B):\u003c\/strong\u003e [confirm from datasheet] mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall material:\u003c\/strong\u003e Silicon nitride (Si₃N₄) ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact angle:\u003c\/strong\u003e 25°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision class:\u003c\/strong\u003e P4 (≈ ABEC 7) — restricted spindle tolerances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreload:\u003c\/strong\u003e light, universal matching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage:\u003c\/strong\u003e machined phenolic-resin cage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing:\u003c\/strong\u003e Open (relubrication via spindle system)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSuffix breakdown — what you are actually buying\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid ceramic\u003c\/strong\u003e — Si₃N₄ ceramic balls in steel rings: ~40% lighter and harder than steel, cutting centrifugal load at high n·dm for higher speed, lower heat and longer life, and electrically insulating the bearing against VFD\/motor bearing currents (fluting).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25° contact angle\u003c\/strong\u003e — higher axial stiffness than the 15° variant; suited to the fixed\/locating spindle position and higher axial cutting loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachined phenolic-resin cage\u003c\/strong\u003e — low mass and quiet at speed; the standard for high-speed spindle service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP4\u003c\/strong\u003e — ISO precision class (≈ ABEC 7) with restricted running tolerances for low radial and axial runout and repeatable concentricity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003elight preload, universal matching\u003c\/strong\u003e — mounts in DB\/DF\/DT arrangements to the designed preload when clamped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull designation\u003c\/strong\u003e — supplied and verified exactly as specified: HC7008-E-T-P4S-UL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat this means on the spindle\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher speed, cooler running:\u003c\/strong\u003e lighter ceramic balls cut centrifugal load and heat, lifting the speed ceiling versus an equivalent steel bearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical insulation:\u003c\/strong\u003e ceramic balls block inverter-driven motor bearing currents, preventing fluting and premature failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh rigidity:\u003c\/strong\u003e defined contact angle and preload hold the shaft against axial and radial cutting forces, protecting tolerance under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow runout:\u003c\/strong\u003e super-precision running accuracy keeps concentricity tight for surface finish and tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong service life:\u003c\/strong\u003e precision raceways and controlled preload extend service intervals and reduce failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e10+ Years FAG Bearing Specialist Support\u003c\/h4\u003e\n\u003cp\u003eEvery order is checked by a specialist with over a decade in FAG precision bearings. Send us the full designation and we will verify every prefix and suffix — contact angle, cage, precision class, preload and sealing — so the part you receive is an exact match for your spindle, not an approximate substitute. FAG, INA (Schaeffler Group), SKF, NSK and IBC references are supplied as 100% genuine product, with documentation available on request and express cross-border shipping to the UK and EU.\u003c\/p\u003e","brand":"FAG","offers":[{"title":"Default Title","offer_id":51397226692772,"sku":"HC7008-E-T-P4S-UL","price":209.3,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/sgubearing.com\/products\/hc7008-e-t-p4s-ul","provider":"SGU Bearing","version":"1.0","type":"link"}