The THK miniature ball screw MBF1002-3.7 features a 10mm screw shaft diameter and a 2mm lead. This configuration is widely used in high-precision, space-constrained linear motion and automation systems.
Specifications
Screw outer diameter: 10 mm
Lead: 2 mm
Ball center diameter: 10.3mm
Dynamic load rating: 2.8 kN
Static load rating: 5.3 kN
Nut outer diameter: 23 mm
Flange outer diameter: 43 mm
Nut total length L: 28 mm
Nut weight: 0.11 kg
Screw weight: 0.36 kg/m
Features of the MBF1002-3.7 THK Miniature Ball Screw:
Precision Grinding: Manufactured using precision grinding technology. Extremely low axial backlash. Smooth and stable transmission.
Compact Structure: The nominal diameter of the ball screw is only 10mm. 2mm lead. Significantly saves installation space.
Precise Positioning: Extremely high repeatability. Minimal backlash. Suitable for micron-level control.
Miniature Design: The MBF1002-3.7 miniature ball screw is small in size and lightweight. Suitable for small automation equipment. Reduces system inertia.
Applications of the THK MBF1001.5-3.7 ball screw:
Semiconductor manufacturing equipment
Medical diagnostic equipment
Precision positioning platforms
Laboratory automation
Optical inspection systems
Compact CNC equipment
Customized Solutions Available
We support custom design and production according to your drawings. Customized dimensions, lead, shaft end machining, nut types, and other specifications are available upon request.
| THK MBF Ball Screw Model | |
| MBF0401-3.7 | MBF0601-3.7 |
| MBF0602-2.7 | MBF0602.5-2.7 |
| MBF0801.5-3.7 | MBF0802-3.7 |
| MBF0802.5-3.7 | MBF0803-2.7 |
| MBF0804-2.7 | MBF1001-3.7 |
| MBF1001.5-3.7 | MBF1002-3.7 |
| MBF1002.5-3.7 | MBF1003-3.7 |
| MBF1005-2.7 | MBF1202-3.7 |
| MBF1202.5-3.7 | MBF1203-3.7 |
| MBF1204-3.7 | MBF1402-3.7 |
| MBF1404-3.7 | |
Model No. |
Screw shaft outer diameterd |
Lead
Ph |
Ball center- to-center diameterdp |
Thread minor diameterdc |
No.of loaded circuitsRows X turns |
Basic load rating | Rigidity
K N/μm |
|
| Ca
kN |
Coa
kN |
|||||||
| MBF 0401-3.7 | 4 | 1 | 4.15 | 3.3 | 1×3.7 | 0.59 | 0.93 | 54 |
| MBF 0601-3.7 | 6 | 1 | 6.15 | 5.3 | 1×3.7 | 0.74 | 1.5 | 75 |
| MBF 0602-2.7 | 6 | 2 | 6.2 | 5.1 | 1×2.7 | 0.75 | 1.2 | 58 |
| MBF 0602.5-2.7 | 6 | 2.5 | 6.2 | 5.1 | 1×2.7 | 0.75 | 1.2 | 59 |
| MBF 0801.5-3.7 | 8 | 1.5 | 8.2 | 7.1 | 1×3.7 | 1.1 | 2.2 | 99 |
| MBF 0802-3.7 | 8 | 2 | 8.3 | 6.6 | 1×3.7 | 2.5 | 4.2 | 111 |
| MBF 0802.5-3.7 | 8 | 2.5 | 8.3 | 6.6 | 1×3.7 | 2.4 | 4.1 | 111 |
| MBF 0803-2.7 | 8 | 3 | 8.3 | 6.2 | 1×2.7 | 2.6 | 4.2 | 85 |
| MBF 0804-2.7 | 8 | 4 | 8.3 | 6.2 | 1×2.7 | 2.6 | 4.2 | 84 |
| MBF 1001-3.7 | 10 | 1 | 10.15 | 9.3 | 1×3.7 | 0.84 | 2 | 113 |
| MBF 1001.5-3.7 | 10 | 1.5 | 10.2 | 9.1 | 1×3.7 | 1.25 | 2.8 | 120 |
| MBF 1002-3.7 | 10 | 2 | 10.3 | 8.6 | 1×3.7 | 2.8 | 5.3 | 134 |
| MBF 1002.5-3.7 | 10 | 2.5 | 10.3 | 8.6 | 1×3.7 | 2.7 | 5.3 | 133 |
| MBF 1003-3.7 | 10 | 3 | 10.3 | 8.2 | 1×3.7 | 3.9 | 7.2 | 140 |
| MBF 1005-2.7 | 10 | 5 | 10.3 | 8.2 | 1×2.7 | 3 | 5.2 | 103 |
| MBF 1202-3.7 | 12 | 12.3 | 10.6 | 1×3.7 | 3 | 6.5 | 156 | |
| MBF 1202.5-3.7 | 12 | 2.5 | 12.3 | 10.6 | 1×3.7 | 3 | 6.4 | 156 |
| MBF 1203-3.7 | 12 | 3 | 12.3 | 10.2 | 1×3.7 | 4.3 | 8.7 | 162 |
| MBF 1204-3.7 | 12 | 4 | 12.3 | 9.8 | 1×3.7 | 5.4 | 10.2 | 165 |
| MBF 1402-3.7 | 14 | 2 | 14.3 | 12.6 | 1×3.7 | 3.3 | 7.5 | 176 |
| MBF 1404-3.7 | 14 | 4 | 14.3 | 11.8 | 1×3.7 | 5.7 | 11.1 | 187 |
Nut dimensions |
Screw shaft inertial moment/mm kg·m²/mm |
Nut
mass kg |
Shaft masskg/m |
||||||||||
| Outer diameterD |
Flange diameter D₁ |
Overall length L₁ |
H | B₁ | PCD | d₁ | d₂ | h | Nut type |
Tw | |||
| 11 | 24 | 18 | 4 | 14 | 17 | 3.4 | 6.5 | 2.5 | I | 13 | 1.97×10-10 | 0.02 | 0.07 |
| 13 | 30 | 21 | 5 | 16 | 21.5 | 3.4 | 6.5 | 3 | I | 17 | 9.99×10-10 | 0.04 | 0.14 |
| 15 | 29 | 17 | 4 | 13 | 23 | 3.4 | Ⅱ | 17 | 9.99×10-10 | 0.03 | 0.21 | ||
| 15 | 29 | 18 | 4 | 14 | 23 | 3.4 | Ⅱ | 17 | 9.99×10-10 | 0.03 | 0.21 | ||
| 16 | 30 | 19 | 4 | 15 | 24 | 3.4 | Ⅱ | 18 | 3.16×10-⁹ | 0.03 | 0.36 | ||
| 20 | 40 | 28 | 6 | 22 | 30 | 4.5 | 8 | 4 | I | 24 | 3.16×10-⁹ | 0.1 | 0.19 |
| 20 | 38 | 26 | 5 | 21 | 30 | 4.5 | Ⅱ | 22 | 3.16×10-⁹ | 0.07 | 0.34 | ||
| 20 | 38 | 25 | 5 | 20 | 30 | 4.5 | Ⅱ | 22 | 3.16×10-⁹ | 0.06 | 0.32 | ||
| 21 | 39 | 28 | 5 | 23 | 31 | 4.5 | Ⅱ | 23 | 3.16×10-⁹ | 0.08 | 0.34 | ||
| 19 | 37 | 18 | 5 | 13 | 29 | 4.5 | Ⅱ | 21 | 7.71×10-9 | 0.04 | 0.57 | ||
| 19 | 37 | 20 | 5 | 15 | 29 | 4.5 | 一 | 一 | Ⅱ | 21 | 7.71×10-9 | 0.04 | 0.57 |
| 23 | 43 | 28 | 6 | 22 | 33 | 4.5 | 8 | 4 | I | 27 | 7.71×10-9 | 0.11 | 0.36 |
| 24 | 44 | 27 | 6 | 21 | 35 | 5.5 | Ⅱ | 26 | 7.71×10-9 | 0.09 | 0.55 | ||
| 24 | 44 | 30 | 6 | 24 | 35 | 5.5 | Ⅱ | 26 | 7.71×10-9 | 0.1 | 0.52 | ||
| 24 | 44 | 34 | 6 | 28 | 35 | 5.5 | Ⅱ | 26 | 7.71×10-9 | 0.12 | 0.56 | ||
| 25 | 47 | 30 | 8 | 22 | 36 | 5.5 | 9.5 | 5.5 | I | 29 | 1.60×10-8 | 0.15 | 0.58 |
| 26 | 46 | 27 | 6 | 21 | 37 | 5.5 | Ⅱ | 28 | 1.60×10-8 | 0.11 | 0.8 | ||
| 28 | 48 | 30 | 6 | 24 | 39 | 5.5 | Ⅱ | 30 | 1.60×10-8 | 0.14 | 0.77 | ||
| 28 | 48 | 33 | 6 | 27 | 39 | 5.5 | Ⅱ | 30 | 1.60×10-8 | 0.15 | 0.76 | ||
| 26 | 48 | 30 | 8 | 22 | 37 | 5.5 | 9.5 | 5.5 | I | 32 | 2.96×10-8 | 0.16 | 0.85 |
| 30 | 54 | 38 | 8 | 30 | 42 | 5.5 | 9.5 | 5.5 | I | 34 | 2.96×10-8 | 0.25 | 1.2 |
