![[THK] — BNF Ball Screw (Single Nut, Shaft φ20~25)](https://img.prosourcemro.com/2026/05/001-862-1024x707.png)
Ball Screws
THK
[THK] — BNF Ball Screw (Single Nut, Shaft φ20~25)
Family ID: THK-BNF-20-25
THK BNF Series Precision Ball Screw with Single Flanged Nut. Simplest single-nut configuration — mounted via bolt holes on flange. Unfinished shaft end for easy additional machining. Shaft diameter φ20~25mm.
3 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNF2005-5 | THK BNF2005-5, φ20 Lead5, Ca=15.1kN | THK | Shaft Diameter: φ20mm | Lead: 5mm | Ca: 15.1kN | C0a: 35.0kN | Nut OD D: 44mm | Flange D1: 67mm | Nut Length L1: 56mm | PCD: 55mm | Type: Single Nut, Flanged, Unfinished Shaft End (BNF) | ||
| BNF2505-5 | THK BNF2505-5, φ25 Lead5, Ca=16.7kN | THK | Shaft Diameter: φ25mm | Lead: 5mm | Ca: 16.7kN | C0a: 44.0kN | Nut OD D: 50mm | Flange D1: 73mm | Nut Length L1: 55mm | PCD: 61mm | Type: Single Nut, Flanged, Unfinished Shaft End (BNF) | ||
| BNF2510A-2.5 | THK BNF2510A-2.5, φ25 Lead10, Ca=15.8kN | THK | Shaft Diameter: φ25mm | Lead: 10mm | Ca: 15.8kN | C0a: 33.0kN | Nut OD D: 58mm | Flange D1: 85mm | Nut Length L1: 70mm | PCD: 71mm | Type: Single Nut, Flanged, Unfinished Shaft End (BNF) |
