High Performance Linear Ball Screw Transmission Machinery
SEXGL ground ball screws deliver unparalleled accuracy and durability in high-precision automation systems, trusted by global leaders like BYD (EV powertrain assembly) and BOE (LCD panel cutting robots) across North America, Europe, Southeast Asia, and South Korea.As a core transmission component for CNC machine tools, precision instruments, and automation equipment, ball screws achieve high-precision linear motion through a rolling friction pair design: precision balls fill the helical raceways between the screw shaft and nut, converting traditional sliding friction into point/line contact rolling friction with a friction coefficient as low as 0.0015–0.002. This enables positioning accuracy of ±0.001mm over 300mm and repeat positioning accuracy of ±0.0005mm, ensuring micron-level precise displacement for moving components such as machine tool worktables and tool holders. These capabilities meet the stringent requirements of high-precision machining scenarios in aerospace, optical components, and other industries.
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| Unit:mm |
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Model no. | d | Lead |
Bead diameter | (Nut size) | Dynamic Rating Load
Ca | Static Rated Load
Coa |
| D | A | B | L | W | H | X | Q | n |
| ☆ | SFUR1204-3 | 12 | 4 | 2.5 | 24 | 40 | 10 | 40 | 32 | 30 | 4.5 | M6×1 | 1×3 | 451 | 709 |
| SFUR1604-3 | 16 | 4 | 2.381 | 28 | 48 | 10 | 36 | 38 | 40 | 5.5 | M6×1 | 1×3 | 488 | 940 |
| ☆ ☆ ☆ ☆ ☆ | SFUR1605-3 | 5 | 3.175 | 28 | 48 | 10 | 42 | 38 | 40 | 5.5 | M6×1 | 1×3 | 666 | 1143 |
| SFUR1605-4 | 5 | 3.175 | 28 | 48 | 10 | 50 | 38 | 40 | 5.5 | M6×1 | 1×4 | 888 | 1525 |
| SFUR1610-3 | 10 | 3.175 | 28 | 48 | 10 | 57 | 38 | 40 | 5.5 | M6×1 | 1×3 | 716 | 1232 |
| SFUR2004-3 | 20 | 4 | 2.381 | 36 | 58 | 10 | 42 | 47 | 44 | 6.6 | M6×1 | 1×3 | 541 | 1187 |
| SFUR2005-3 | 5 | 3.175 | 36 | 58 | 10 | 42 | 47 | 44 | 6.6 | M6×1 | 1×3 | 749 | 1495 |
| SFUR2005-4 | 5 | 3.175 | 36 | 58 | 10 | 51 | 47 | 44 | 6.6 | M6×1 | 1×4 | 999 | 1994 |
| SFUR2504-3 | 25 | 4 | 2.381 | 40 | 62 | 10 | 42 | 51 | 48 | 6.6 | M6×1 | 1×3 | 605 | 1534 |
| SFUR2505-3 | 5 | 3.175 | 40 | 62 | 10 | 42 | 51 | 48 | 6.6 | M6×1 | 1×3 | 839 | 1935 |
| SFUR2505-4 | 5 | 3.175 | 40 | 62 | 10 | 51 | 51 | 48 | 6.6 | M6×1 | 1×4 | 1119 | 2581 |
| SFUR2510-3 | 10 | 4.762 | 40 | 62 | 10 | 70 | 51 | 48 | 6.6 | M6×1 | 1×3 | 1427 | 2771 |
| SFUR2510-4 | 10 | 4.762 | 40 | 62 | 12 | 85 | 51 | 48 | 6.6 | M6×1 | 1×4 | 1903 | 3695 |
| SFUR3205-4 | 32 | 5 | 3.175 | 50 | 80 | 12 | 52 | 65 | 62 | 6 | M6×1 | 1×4 | 1264 | 3402 |
| SFUR3210-3 | 10 | 6.35 | 50 | 80 | 12 | 74 | 65 | 62 | 6 | M6×1 | 1×3 | 2319 | 4575 |
| SFUR3210-4 | 10 | 6.35 | 50 | 80 | 12 | 90 | 65 | 62 | 6 | M6×1 | 1×4 | 3092 | 6101 |
| SFUR4005-4 | 40 | 5 | 3.175 | 63 | 93 | 14 | 55 | 78 | 70 | 6 | M8×1 | 1×4 | 1407 | 4341 |
| SFUR4010-3 | 10 | 6.35 | 63 | 93 | 14 | 71 | 78 | 70 | 6 | M8×1 | 1×3 | 2610 | 5834 |
| SFUR4010-4 | 10 | 6.35 | 63 | 93 | 14 | 93 | 78 | 70 | 9 | M8×1 | 1×4 | 3480 | 7779 |
| SFUR5010-4 | 50 | 10 | 6.35 | 75 | 110 | 16 | 93 | 93 | 85 | 11 | M8×1 | 1×4 | 3898 | 10325 |
| SFUR6310-4 | 63 | 10 | 6.35 | 90 | 125 | 18 | 98 | 108 | 95 | 11 | M8×1 | 1×4 | 4401 | 13611 |
| SFUR6320-4 | 20 | 9.525 | 95 | 135 | 20 | 149 | 115 | 100 | 13.5 | M8×1 | 1×4 | 7404 | 19008 |
| SFUR8010-4 | 80 | 10 | 6.35 | 105 | 145 | 20 | 98 | 125 | 110 | 13.5 | M8×1 | 1×4 | 4900 | 17366 |
| SFUR8020-4 | 20 | 9.525 | 125 | 165 | 25 | 154 | 145 | 130 | 13.5 | M8×1 | 1×4 | 8403 | 25345 |
| Note: Those marked with ☆ can produce left-hand thread. |
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