![[THK] — DKN Ball Screw (Double Nut Spacer Preload, φ40~63)](https://img.prosourcemro.com/2026/05/001-863-1024x755.png)
Ball Screws
THK
[THK] — DKN Ball Screw (Double Nut Spacer Preload, φ40~63)
Family ID: THK-DKN
THK DKN Series Precision Ball Screw with double nut spacer preload. Two nuts combined with a spacer eliminate axial clearance (preloaded). Optimized for high rigidity applications. Shaft diameter range φ40~63mm, lead 20mm.
3 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| DKN4020-3 | THK DKN4020-3, φ40 Lead20, Ca=29.4kN | THK | Shaft Diameter: φ40mm | Lead: 20mm | Ca: 29.4kN | C0a: 69.3kN | Nut OD D: 62mm | Flange D1: 104mm | Total Length L1: 223mm | PCD: 82mm | Type: Double Nut, Spacer Preload (DKN) | ||
| DKN5020-3 | THK DKN5020-3, φ50 Lead20, Ca=44.2kN | THK | Shaft Diameter: φ50mm | Lead: 20mm | Ca: 44.2kN | C0a: 108.8kN | Nut OD D: 75mm | Flange D1: 129mm | Total Length L1: 243mm | PCD: 105mm | Type: Double Nut, Spacer Preload (DKN) | ||
| DKN6320-3 | THK DKN6320-3, φ63 Lead20, Ca=83.5kN | THK | Shaft Diameter: φ63mm | Lead: 20mm | Ca: 83.5kN | C0a: 229.3kN | Nut OD D: 95mm | Flange D1: 159mm | Total Length L1: 243mm | PCD: 129mm | Type: Double Nut, Spacer Preload (DKN) |
