![[THK] — BNFN-V Ball Screw (Double Nut Spacer Preload, Shaft φ80~100, Medium)](https://img.prosourcemro.com/2026/05/001-866-1024x683.png)
Ball Screws
THK
[THK] — BNFN-V Ball Screw (Double Nut Spacer Preload, Shaft φ80~100, Medium)
Family ID: THK-BNFN-V-80-100
THK BNFN-V Series Precision Ball Screw with Double Nut Spacer Preload. Two nuts combined with a spacer eliminate backlash. Most common double-nut preload configuration — mounted via bolt holes on flange. Shaft diameter φ80~100mm.
9 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNFN8010-2.5 | THK BNFN8010-2.5, φ80 Lead10, Ca=38.9kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 38.9kN | C0a: 141.1kN | Nut OD D: 130mm | Flange D1: 176mm | Total Length L1: 137mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN8010-5 | THK BNFN8010-5, φ80 Lead10, Ca=70.6kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 70.6kN | C0a: 283.2kN | Nut OD D: 130mm | Flange D1: 176mm | Total Length L1: 197mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN8010-7.5 | THK BNFN8010-7.5, φ80 Lead10, Ca=100.0kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 100.0kN | C0a: 424.3kN | Nut OD D: 130mm | Flange D1: 176mm | Total Length L1: 257mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN8012-5 | THK BNFN8012-5, φ80 Lead12, Ca=96.5kN | THK | Shaft Diameter: φ80mm | Lead: 12mm | Ca: 96.5kN | C0a: 353.8kN | Nut OD D: 135mm | Flange D1: 181mm | Total Length L1: 231mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN8020A-2.5 | THK BNFN8020A-2.5, φ80 Lead20, Ca=90.1kN | THK | Shaft Diameter: φ80mm | Lead: 20mm | Ca: 90.1kN | C0a: 294.0kN | Nut OD D: 143mm | Flange D1: 204mm | Total Length L1: 227mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN8020A-5 | THK BNFN8020A-5, φ80 Lead20, Ca=163.7kN | THK | Shaft Diameter: φ80mm | Lead: 20mm | Ca: 163.7kN | C0a: 589.0kN | Nut OD D: 143mm | Flange D1: 204mm | Total Length L1: 347mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN10020A-2.5 | THK BNFN10020A-2.5, φ100 Lead20, Ca=99.0kN | THK | Shaft Diameter: φ100mm | Lead: 20mm | Ca: 99.0kN | C0a: 368.5kN | Nut OD D: 170mm | Flange D1: 243mm | Total Length L1: 231mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN10020A-5 | THK BNFN10020A-5, φ100 Lead20, Ca=179.3kN | THK | Shaft Diameter: φ100mm | Lead: 20mm | Ca: 179.3kN | C0a: 737.0kN | Nut OD D: 170mm | Flange D1: 243mm | Total Length L1: 351mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) | ||
| BNFN10020A-7.5 | THK BNFN10020A-7.5, φ100 Lead20, Ca=253.8kN | THK | Shaft Diameter: φ100mm | Lead: 20mm | Ca: 253.8kN | C0a: 1105.4kN | Nut OD D: 170mm | Flange D1: 243mm | Total Length L1: 471mm | Type: Double Nut, Spacer Preload, Flanged (BNFN-V) |
