| Items |
 12-4B1-FSW-G FSW Type Nuts |
12-4C1-FSW-G FSW Type Nuts |
12-5B1-FSW-G FSW Type Nuts |
14-5B1-FSW-G FSW Type Nuts |
15-10A1-FSW-G FSW Type Nuts |
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| Type | Ball Nut | |||||||||
| Nominal Diameter | 12 mm | 12 mm | 12 mm | 14 mm | 15 mm | |||||
| F | 50 mm | 50 mm | 50 mm | 57 mm | 57 mm | |||||
| L | 38 mm | 44 mm | 40 mm | 40 mm | 48 mm | |||||
| T | 10 mm | 10 mm | 10 mm | 11 mm | 11 mm | |||||
| D | 30 mm | 30 mm | 30 mm | 34 mm | 34 mm | |||||
| BCD-E | 40 mm | 40 mm | 40 mm | 45 mm | 45 mm | |||||
| Start Angle | 30 º | |||||||||
| Y | 8.0 mm | 8.0 mm | 8.0 mm | 9.5 mm | 9.5 mm | |||||
| X | 4.5 mm | 4.5 mm | 4.5 mm | 5.5 mm | 5.5 mm | |||||
| Z | 4.0 mm | 4.0 mm | 4.0 mm | 5.5 mm | 5.5 mm | |||||
| S | 12 mm | |||||||||
| Oil Hole | M6x1P | |||||||||
| Lead | 4 mm | 4 mm | 5 mm | 5 mm | 10 mm | |||||
| Ball Diameter | 2.381 mm | 2.381 mm | 2.381 mm | 3.175 mm | 3.175 mm | |||||
| Pitch Circle Diameter (PCD) | 12.25 mm | 12.25 mm | 12.25 mm | 14.6 mm | 15.6 mm | |||||
| Root Diameter (RD) | 9.792 mm | 9.792 mm | 9.792 mm | 11.324 mm | 12.324 mm | |||||
| Circuits | 2.5x1 | 3.5x1 | 2.5x1 | 2.5x1 | 1.5x1 | |||||
| Stiffness | 8 kgf/µm | 9 kgf/µm | 8 kgf/µm | 10 kgf/µm | 9 kgf/µm | |||||
| Dynamic Load | 383 kgf | 511 kgf | 383 kgf | 710 kgf | 474 kgf | |||||
| Static Load | 638 kgf | 893 kgf | 638 kgf | 1216 kgf | 781 kgf | |||||
| Material | ||||||||||
| Weight | ||||||||||
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