XT 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] TSB-U 70-15-8-6 1 70 15 7,938 63,3 6 150400 443500 3090 2800 131 TSB-U 70-15-8-7 1 70 15 7,938 63,3 7 171900 519300 3550 3210 146 TSB-S 70-16-8-2 1 70 16 7,938 64,5 2 53800 117800 850 750 90 TSB-S 70-16-8-3 1 70 16 7,938 64,5 3 72700 176700 1230 1090 109 TSB-S 70-16-8-4 1 70 16 7,938 64,5 4 91900 235500 1610 1430 126 TSB-S 70-16-8-5 1 70 16 7,938 64,5 5 110700 294400 1980 1770 143 TSB-S 70-16-8-6 1 70 16 7,938 64,5 6 129200 353300 2360 2110 159 TSB-S 70-16-8-7 1 70 16 7,938 64,5 7 147300 412200 2730 2440 175 TSB-S 70-16-8-8 1 70 16 7,938 64,5 8 165100 471100 3100 2770 192 TSB-U 70-16-8-2 1 70 16 7,938 63,3 2 59000 135200 1050 950 73 TSB-U 70-16-8-3 1 70 16 7,938 63,3 3 82500 213600 1590 1440 89 TSB-U 70-16-8-4 1 70 16 7,938 63,3 4 105300 289300 2090 1900 105 TSB-U 70-16-8-5 1 70 16 7,938 63,3 5 127800 365000 2590 2360 121 TSB-U 70-16-8-6 1 70 16 7,938 63,3 6 150300 443400 3090 2820 137 TSB-U 70-16-9-2 1 70 16 9,525 62,2 2 75800 161200 1080 990 81 TSB-U 70-16-9-3 1 70 16 9,525 62,2 3 106200 255500 1630 1480 97 TSB-U 70-16-9-4 1 70 16 9,525 62,2 4 136500 349900 2180 1980 113 TSB-U 70-16-9-5 1 70 16 9,525 62,2 5 166300 444200 2700 2460 129 TSB-U 70-16-9-6 1 70 16 9,525 62,2 6 194400 534600 3180 2900 145 TSB-U 70-16-9-7 1 70 16 9,525 62,2 7 222900 629000 3660 3350 161 TSB-U 70-16-9-8 1 70 16 9,525 62,2 8 250900 723300 4140 3790 177 TSB-S 70-20-8-2 1 70 20 7,938 64,5 2 53700 117600 840 770 101 TSB-S 70-20-8-3 1 70 20 7,938 64,5 3 72600 176400 1220 1110 124 TSB-S 70-20-8-4 1 70 20 7,938 64,5 4 91700 235200 1600 1460 146 TSB-S 70-20-8-5 1 70 20 7,938 64,5 5 110500 294000 1980 1800 167 TSB-S 70-20-8-6 1 70 20 7,938 64,5 6 129000 352800 2350 2150 188 TSB-S 70-20-8-7 1 70 20 7,938 64,5 7 147100 411600 2720 2490 208 TSB-S 70-20-8-8 1 70 20 7,938 64,5 8 164800 470500 3090 2830 228 TSB-U 70-20-8-2 1 70 20 7,938 63,3 2 58900 135000 1050 970 80 TSB-U 70-20-8-3 1 70 20 7,938 63,3 3 82400 213300 1580 1470 100 TSB-U 70-20-8-4 1 70 20 7,938 63,3 4 105200 288900 2090 1930 120 TSB-U 70-20-8-5 1 70 20 7,938 63,3 5 128200 367200 2600 2410 140 TSB-U 70-20-8-6 1 70 20 7,938 63,3 6 150000 442800 3080 2860 160 TSB-U 70-20-9-2 1 70 20 9,525 62,2 2 75600 160900 1080 1000 88 TSB-U 70-20-9-3 1 70 20 9,525 62,2 3 106000 255200 1620 1510 108 TSB-U 70-20-9-4 1 70 20 9,525 62,2 4 136300 349400 2170 2010 128 TSB-U 70-20-9-5 1 70 20 9,525 62,2 5 166000 443600 2690 2500 148 - 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: Rigidity of the balls contact zone for an external force 10% of Ca. See page 46. 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 TMBS, Single nut 60