XP CATALOG

Ball screw reference Number of starts Nominal diameter (mm) Lead (mm) Ball Diameter (mm) Root diameter (mm) Circuits Dynamic load capacity Static load capacity Rigidity of ball contact zone Rigidity of nut, with Fext: 20%Ca Nut length 1/2 d 0 P h D w d 2 i C a [N] C oa [N] R b/t [N/μm] R nut [N/μm] L n,std [mm] TDB-U 50-20-8-2 1 50 20 7,938 43,3 2 53300 96200 1460 1410 144 TDB-U 50-20-8-3 1 50 20 7,938 43,3 3 74300 151200 2180 2110 184 TDB-U 50-20-8-4 1 50 20 7,938 43,3 4 96100 209000 2930 2840 224 TDB-U 50-20-8-5 1 50 20 7,938 43,3 5 116600 263900 3640 3530 264 TDB-U 50-20-8-6 1 50 20 7,938 43,3 6 137500 321700 4360 4220 304 TDB-U 50-20-8-7 1 50 20 7,938 43,3 7 157200 376700 5000 4850 344 TDB-U 50-25-6-2 1 50 25 6,35 44,5 2 39000 75000 1320 1280 159 TUC-U 50-25-6-2 50 25 6,35 44,5 2 39000 75000 1320 1280 81 TDB-U 50-25-6-3 1 50 25 6,35 44,5 3 53900 116700 1980 1920 210 TUC-U 50-25-6-3 50 25 6,35 44,5 3 53900 116700 1980 1920 106 TDB-U 50-25-6-4 1 50 25 6,35 44,5 4 69500 160000 2630 2550 259 TUC-U 50-25-6-4 50 25 6,35 44,5 4 69500 160000 2630 2550 131 TDB-U 50-25-6-5 1 50 25 6,35 44,5 5 84200 201700 3250 3150 309 TUC-U 50-25-6-5 50 25 6,35 44,5 5 84200 201700 3250 3150 156 TDB-U 50-25-6-6 1 50 25 6,35 44,5 6 99000 245000 3870 3750 359 TUC-U 50-25-6-6 50 25 6,35 44,5 6 99000 245000 3870 3750 181 TDB-U 50-25-8-2 1 50 25 7,938 43,3 2 53000 95800 1450 1410 164 TUC-U 50-25-8-2 50 25 7,938 43,3 2 53000 95800 1450 1410 89 TDB-U 50-25-8-3 1 50 25 7,938 43,3 3 73900 150600 2160 2110 214 TUC-U 50-25-8-3 50 25 7,938 43,3 3 73900 150600 2160 2110 114 TDB-U 50-25-8-4 1 50 25 7,938 43,3 4 95600 208100 2910 2830 264 TUC-U 50-25-8-4 50 25 7,938 43,3 4 95600 208100 2910 2830 139 TDB-U 50-25-8-5 1 50 25 7,938 43,3 5 116800 265600 3650 3560 314 TUC-U 50-25-8-5 50 25 7,938 43,3 5 116800 265600 3650 3560 164 TDB-U 50-25-8-6 1 50 25 7,938 43,3 6 136800 320300 4320 4210 364 TUC-U 50-25-8-6 50 25 7,938 43,3 6 136800 320300 4320 4210 189 TDB-U 50-30-6-2 1 50 30 6,35 44,5 2 38700 74600 1300 1270 183 TUC-U 50-30-6-2 50 30 6,35 44,5 2 38700 74600 1300 1270 89 TDB-U 50-30-6-3 1 50 30 6,35 44,5 3 54100 117700 1990 1930 243 TUC-U 50-30-6-3 50 30 6,35 44,5 3 54100 117700 1990 1930 119 TDB-U 50-30-6-4 1 50 30 6,35 44,5 4 69000 159200 2600 2540 303 TUC-U 50-30-6-4 50 30 6,35 44,5 4 69000 159200 2600 2540 149 TDB-U 50-30-6-5 1 50 30 6,35 44,5 5 84100 202300 3240 3160 363 TUC-U 50-30-6-5 50 30 6,35 44,5 5 84100 202300 3240 3160 179 TDB-U 50-30-8-2 1 50 30 7,938 43,3 2 52700 95300 1430 1400 188 TUC-U 50-30-8-2 50 30 7,938 43,3 2 52700 95300 1430 1400 95 TDB-U 50-30-8-3 1 50 30 7,938 43,3 3 74200 152500 2170 2130 248 TUC-U 50-30-8-3 50 30 7,938 43,3 3 74200 152500 2170 2130 125 COMPLEX, TD Double Nut (1start), TUC Ultracompact Nut - Ca and Coa: Modified static and dynamic load capacities, calculated according to DIN 69051/4 standard and ISO3408/5. See Technical description catalogue (pg. 39-43). - Rb/t,pr: Rigidity of the balls contact zone for an external force 10% of Ca. See page 47. For a different preload force, multiply by - Rnu: Total rigidity of the complete nut. It must be multiplied by the factor f ar which depends on the manufacturing tolerance. See Technical description catalogue (pg. 48). F pr /0,1 C a 3 42