![[THK] — BNF Ball Screw (Single Nut, Shaft φ40)](https://img.prosourcemro.com/2026/05/001-862-1024x707.png)
Ball Screws
THK
[THK] — BNF Ball Screw (Single Nut, Shaft φ40)
Family ID: THK-BNF-40
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 φ40mm.
2 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNF4010-5 | THK BNF4010-5, φ40 Lead10, Ca=52.7kN | THK | Shaft Diameter: φ40mm | Lead: 10mm | Ca: 52.7kN | C0a: 141.1kN | Nut OD D: 82mm | Flange D1: 124mm | Nut Length L1: 103mm | PCD: 102mm | Type: Single Nut, Flanged, Unfinished Shaft End (BNF) | ||
| BNF4012-5 | THK BNF4012-5, φ40 Lead12, Ca=61.6kN | THK | Shaft Diameter: φ40mm | Lead: 12mm | Ca: 61.6kN | C0a: 158.8kN | Nut OD D: 84mm | Flange D1: 126mm | Nut Length L1: 119mm | PCD: 104mm | Type: Single Nut, Flanged, Unfinished Shaft End (BNF) |
