HOME > Product > Ball Screw > Specification of Ball Screws > Ball Screw: SFT

unit: mm
l: Lead Da: Ball Dia. n: Number of Circuits K: Stiffness (Kgf/m) Ca: Basic Dynamic Rating Load (Kgf) Coa: Basic Staic Rating Load (Kgf)
Type Dimensions
d l Da D A B L W H X Y Z Q n Ca Coa K
* SFT2505-5 25 5 3.175 50 73 11 55 61 52 5.5 9.5 5.5 M8 2.5 x 2 1690 4460 46
* SFT2510-2.5 25 10 6.350 68 102 15 70 84 82 9 14 8.5 M8 2.5 x 1 2440 4730 26
* SFT3205-5 32 5 3.175 58 85 12 56 71 64 6.6 11 6.5 M8 2.5 x 2 1880 5720 55
* SFT3206-5 32 6 3.969 62 89 12 65 75 68 6.6 11 6.5 M8 2.5 x 2 2520 7080 56
* SFT3208-5 32 8 4.762 66 100 15 82 82 76 9 14 8.5 M8 2.5 x 2 3230 8360 58
* SFT3210-5 32 10 6.350 74 108 15 96 90 82 9 14 8.5 M8 2.5 x 2 4820 11500 63
* SFT3220-2.5 32 20 6.350 74 108 16 100 90 82 9 14 8.5 M8 2.5 x 1 2680 6020 30
* SFT4005-5 40 5 3.175 67 101 15 59 83 72 9 14 8.5 M8 2.5 x 2 2026 7200 66
* SFT4010-5 40 10 6.350 82 124 18 100 102 94 11 17.5 11 M8 2.5 x 2 5300 14000 72
* SFT4020-2.5 40 20 6.350 82 124 18 100 102 94 11 17.5 11 M8 2.5 x 1 2970 7370 38
* SFT5010-5 50 10 6.350 93 135 18 103 113 98 11 17.5 11 M8 2.5 x 2 5940 18000 89
* SFT5020-2.5 50 20 9.525 105 152 28 121 128 110 14 20 13 M8 2.5 x 1 7400 18700 45
* SFT6310-5 63 10 6.350 108 154 22 105 130 110 14 20 13 M8 2.5 x 2 6550 22700 107
* SFT6320-2.5 63 20 9.525 122 180 28 127 150 130 18 26 18 M8 2.5 x 1 8110 23200 73
* SFT8010-5 80 10 6.350 130 176 22 105 152 132 14 20 13 M8 2.5 x 2 7200 28900 129
* SFT8020-5 80 20 9.525 143 204 28 180 172 148 18 26 18 M8 2.5 x 2 16700 60100 175
* SFT8020-7.5 80 20 9.525 143 204 28 240 172 148 18 26 18 M8 2.5 x 3 23500 89100 252
Note: with sign * can be produced left helix