19 Types NC 33, NC 43 For high r.p.m. Centrepoint 60°/40° with draw-off thread Runout max. 0.005 mm, with test report Application For turning operations requiring high r.p.m. Triple-layer protection of bearings from penetration of coolant by the TOP-SEAL-SYSTEM (principle on page 20) High Performance Live Centres NC Series 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 3.1 2 1 RC AC 4 2 1 3.2 3 50 40 100 200 300 5000 400 500 1000 2000 3000 4000 10000 300 40 50 100 200 500 400 1000 2000 4000 3000 5000 10000 1000 40 50 100 200 300 400 500 3000 2000 5000 4000 10000 Axialbelastung daN Drehzahl 1/min Drehzahl 1/min 10000 5000 4000 3000 2000 1000 500 400 300 200 100 50 40 200 20 25 100 50 150 250 500 1000 2000 1500 2500 5000 Radialbelastung daN Werkstückgewicht daN 4 3.1 2 1 RC AC 4 2 1 3.2 3 Radial and axial loads for a bearing life of 2000 operating hours (calculation example on page 11) Radial – Type NC Axial – Type NC r.p.m. r.p.m. workpiece weight daN radial load daN axial load daN DG DA LA LB LC D G SYSTEM TOP SEAL Type NC ID.No. 33.045-2 33.045-3 43.058-3 33.058-4 43.076-4 33.076-5 43.095-5 33.095-6 Draw-off nut ID.No. M45A M45A M60 M60 M80 M80 M100 M100 Morse taper 2 3 3 4 4 5 5 6 DA 20 20 25 25 35 35 45 45 D 6 6 14 14 16 16 20 20 DG 45 45 58 58 76 76 95 95 LA 25 25 35 35 44 44 54 54 LB 57 57 70 70 81 81 103 103 LC 87 88 112 112 132 132 164 164 G M45x2 M45x2 M60x1.5 M60x1.5 M80x2 M80x2 M100x2 M100x2 Workpiece weight max. daN* 280 280 500 500 1100 1300 2200 2200 r.p.m. max.* 8000 8000 7000 7000 6000 6000 5000 5000 Radial/axial load graph RC1/AC1 RC1/AC1 RC2/AC2 RC2/AC2 RC3.1/AC3 RC3.2/AC3 RC4/AC4 RC4/AC4 The thread specifications of the ID.Nos. 33.045-2 and 33.045-3 are similar to that of version A, *observe the load graphs fitting the special nut for version A (page 16).
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