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 50-12-8-8 1 50 12 7,938 43,3 8 177600 433700 5670 5400 260 TDB-U 50-15-6-2 1 50 15 6,35 44,5 2 38800 73900 1310 1240 118 TDB-U 50-15-6-3 1 50 15 6,35 44,5 3 54500 117600 2010 1910 148 TDB-U 50-15-6-4 1 50 15 6,35 44,5 4 69700 159600 2650 2520 178 TDB-U 50-15-6-5 1 50 15 6,35 44,5 5 84600 201500 3280 3110 208 TDB-U 50-15-6-6 1 50 15 6,35 44,5 6 99600 245200 3910 3720 238 TDB-U 50-15-6-7 1 50 15 6,35 44,5 7 113800 287200 4490 4270 268 TDB-U 50-15-8-2 1 50 15 7,938 43,3 2 52500 93800 1430 1370 132 TDB-U 50-15-8-3 1 50 15 7,938 43,3 3 74600 151700 2190 2100 164 TDB-U 50-15-8-4 1 50 15 7,938 43,3 4 95700 206900 2920 2800 192 TDB-U 50-15-8-5 1 50 15 7,938 43,3 5 117100 264800 3670 3520 222 TDB-U 50-15-8-6 1 50 15 7,938 43,3 6 137300 320000 4350 4180 252 TDB-U 50-15-8-7 1 50 15 7,938 43,3 7 157900 377900 5040 4840 282 TDB-U 50-15-8-8 1 50 15 7,938 43,3 8 177200 433100 5650 5430 312 TDB-U 50-16-6-2 1 50 16 6,35 44,5 2 38800 73900 1310 1250 132 TDB-U 50-16-6-3 1 50 16 6,35 44,5 3 54400 117500 2010 1910 164 TDB-U 50-16-6-4 1 50 16 6,35 44,5 4 69600 159500 2640 2520 196 TDB-U 50-16-6-5 1 50 16 6,35 44,5 5 84500 201400 3270 3120 228 TDB-U 50-16-6-6 1 50 16 6,35 44,5 6 99500 245100 3900 3720 260 TDB-U 50-16-6-7 1 50 16 6,35 44,5 7 113700 287000 4480 4280 292 TDB-U 50-16-8-2 1 50 16 7,938 43,3 2 52500 93700 1430 1380 130 TDB-U 50-16-8-3 1 50 16 7,938 43,3 3 74500 151600 2190 2110 162 TDB-U 50-16-8-4 1 50 16 7,938 43,3 4 95600 206800 2910 2800 194 TDB-U 50-16-8-5 1 50 16 7,938 43,3 5 117000 264700 3660 3520 226 TDB-U 50-16-8-6 1 50 16 7,938 43,3 6 137200 319800 4340 4180 258 TDB-U 50-16-8-7 1 50 16 7,938 43,3 7 157700 377700 5030 4840 290 TDB-U 50-16-8-8 1 50 16 7,938 43,3 8 177100 432800 5650 5440 322 TDB-U 50-20-6-2 1 50 20 6,35 44,5 2 38600 73600 1300 1250 136 TUC-U 50-20-6-2 50 20 6,35 44,5 2 38600 73600 1300 1250 75 TDB-U 50-20-6-3 1 50 20 6,35 44,5 3 54200 117200 2000 1920 176 TUC-U 50-20-6-3 50 20 6,35 44,5 3 54200 117200 2000 1920 95 TDB-U 50-20-6-4 1 50 20 6,35 44,5 4 69400 159000 2630 2530 216 TUC-U 50-20-6-4 50 20 6,35 44,5 4 69400 159000 2630 2530 115 TDB-U 50-20-6-5 1 50 20 6,35 44,5 5 84600 202500 3280 3150 256 TUC-U 50-20-6-5 50 20 6,35 44,5 5 84600 202500 3280 3150 135 TDB-U 50-20-6-6 1 50 20 6,35 44,5 6 99100 244400 3880 3730 296 TUC-U 50-20-6-6 50 20 6,35 44,5 6 99100 244400 3880 3730 155 TDB-U 50-20-6-7 1 50 20 6,35 44,5 7 113800 287900 4480 4320 336 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 40