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 70-20-9-6 1 70 20 9,525 62,2 6 195000 537800 3190 2970 168 TSB-U 70-20-9-7 1 70 20 9,525 62,2 7 222500 628100 3650 3400 188 TSB-U 70-20-9-8 1 70 20 9,525 62,2 8 250400 722300 4130 3850 208 TSB-U 70-25-8-2 1 70 25 7,938 63,3 2 58700 134700 1040 980 89 TSB-U 70-25-8-3 1 70 25 7,938 63,3 3 82100 212800 1580 1480 114 TSB-U 70-25-8-4 1 70 25 7,938 63,3 4 104900 288200 2080 1950 139 TSB-U 70-25-8-5 1 70 25 7,938 63,3 5 127800 366400 2590 2440 164 TSB-U 70-25-8-6 1 70 25 7,938 63,3 6 149600 441800 3070 2890 189 TSB-U 70-25-9-2 1 70 25 9,525 62,2 2 75400 160600 1070 1010 96 TSB-U 70-25-9-3 1 70 25 9,525 62,2 3 105700 254600 1620 1520 121 TSB-U 70-25-9-4 1 70 25 9,525 62,2 4 135900 348600 2160 2030 146 TSB-U 70-25-9-5 1 70 25 9,525 62,2 5 165500 442600 2680 2520 171 TSB-U 70-25-9-6 1 70 25 9,525 62,2 6 194500 536600 3180 3000 196 TSB-U 70-25-9-7 1 70 25 9,525 62,2 7 222800 630600 3660 3450 221 TSB-U 70-30-8-2 1 70 30 7,938 63,3 2 59300 137000 1050 1000 98 TSB-U 70-30-8-3 1 70 30 7,938 63,3 3 81800 212200 1570 1490 128 TSB-U 70-30-8-4 1 70 30 7,938 63,3 4 105100 290200 2080 1980 158 TSB-U 70-30-8-5 1 70 30 7,938 63,3 5 127300 365400 2580 2450 188 TSB-U 70-30-9-2 1 70 30 9,525 62,2 2 75200 160200 1070 1010 104 TSB-U 70-30-9-3 1 70 30 9,525 62,2 3 105300 253900 1610 1530 134 TSB-U 70-30-9-4 1 70 30 9,525 62,2 4 135400 347700 2150 2040 164 TSB-U 70-30-9-5 1 70 30 9,525 62,2 5 164900 441500 2660 2540 194 TSB-U 70-30-9-6 1 70 30 9,525 62,2 6 193800 535200 3160 3010 224 TSB-U 70-30-9-7 1 70 30 9,525 62,2 7 222000 629000 3640 3470 254 TSB-U 70-40-8-2 1 70 40 7,938 63,3 2 58800 136100 1040 1000 116 TSB-U 70-40-8-3 1 70 40 7,938 63,3 3 81800 213500 1560 1500 156 TSB-U 70-40-8-4 1 70 40 7,938 63,3 4 104200 288200 2050 1980 196 TSB-U 70-40-8-5 1 70 40 7,938 63,3 5 126800 365600 2560 2460 236 TSB-U 70-40-9-2 1 70 40 9,525 62,2 2 75700 163000 1080 1040 121 TSB-U 70-40-9-3 1 70 40 9,525 62,2 3 105500 256100 1610 1550 161 TSB-U 70-40-9-4 1 70 40 9,525 62,2 4 135300 349300 2140 2060 201 TSB-U 70-40-9-5 1 70 40 9,525 62,2 5 164500 442400 2650 2550 241 TSB-U 70-50-8-2 1 70 50 7,938 63,3 2 58100 134900 1020 990 136 TSB-U 70-50-8-3 1 70 50 7,938 63,3 3 80900 211700 1540 1490 186 TSB-U 70-50-8-4 1 70 50 7,938 63,3 4 103700 288400 2030 1970 236 TSB-U 70-50-9-2 1 70 50 9,525 62,2 2 74900 161600 1060 1030 138 TSB-U 70-50-9-3 1 70 50 9,525 62,2 3 104300 254000 1580 1530 188 - 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 62