![[THK] — BNS-B Ball Screw / Spline Combined Unit (Linear + Rotary, φ16~25)](https://img.prosourcemro.com/2026/05/001-873-1024x819.png)
Ball Screws
THK
[THK] — BNS-B Ball Screw / Spline Combined Unit (Linear + Rotary, φ16~25)
Family ID: THK-BNS-B
THK BNS-B Series Ball Screw / Ball Spline Combined Unit (Compact Type). Ball screw and ball spline grooves machined on a single shaft — enables three motion modes (rotation, linear, and helical) with one axis. Integrated support bearing on nut OD. DN value 70,000. Shaft diameter range φ16~25mm. Custom shaft length available.
9 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNS1616B+C3 | THK BNS1616B, φ16 Lead16, C3 | THK | Shaft Diameter: φ16mm | Lead: 16mm | Ball Screw Ca: 3.9kN / C0a: 7.2kN | Ball Spline C: 8.4kN / C0: 13.4kN | Nut OD D: 48mm | Flange D1: 64mm | Ball Screw Nut Length L1: 40mm | Grade: C3 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS1616B+C5 | THK BNS1616B, φ16 Lead16, C5 | THK | Shaft Diameter: φ16mm | Lead: 16mm | Ball Screw Ca: 3.9kN / C0a: 7.2kN | Ball Spline C: 8.4kN / C0: 13.4kN | Nut OD D: 48mm | Flange D1: 64mm | Ball Screw Nut Length L1: 40mm | Grade: C5 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS1616B+C7 | THK BNS1616B, φ16 Lead16, C7 | THK | Shaft Diameter: φ16mm | Lead: 16mm | Ball Screw Ca: 3.9kN / C0a: 7.2kN | Ball Spline C: 8.4kN / C0: 13.4kN | Nut OD D: 48mm | Flange D1: 64mm | Ball Screw Nut Length L1: 40mm | Grade: C7 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2020B+C3 | THK BNS2020B, φ20 Lead20, C3 | THK | Shaft Diameter: φ20mm | Lead: 20mm | Ball Screw Ca: 6.1kN / C0a: 12.3kN | Ball Spline C: 10.5kN / C0: 18.6kN | Nut OD D: 56mm | Flange D1: 72mm | Ball Screw Nut Length L1: 48mm | Grade: C3 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2020B+C5 | THK BNS2020B, φ20 Lead20, C5 | THK | Shaft Diameter: φ20mm | Lead: 20mm | Ball Screw Ca: 6.1kN / C0a: 12.3kN | Ball Spline C: 10.5kN / C0: 18.6kN | Nut OD D: 56mm | Flange D1: 72mm | Ball Screw Nut Length L1: 48mm | Grade: C5 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2020B+C7 | THK BNS2020B, φ20 Lead20, C7 | THK | Shaft Diameter: φ20mm | Lead: 20mm | Ball Screw Ca: 6.1kN / C0a: 12.3kN | Ball Spline C: 10.5kN / C0: 18.6kN | Nut OD D: 56mm | Flange D1: 72mm | Ball Screw Nut Length L1: 48mm | Grade: C7 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2525B+C3 | THK BNS2525B, φ25 Lead25, C3 | THK | Shaft Diameter: φ25mm | Lead: 25mm | Ball Screw Ca: 9.1kN / C0a: 19.3kN | Ball Spline C: 15.9kN / C0: 26.2kN | Nut OD D: 66mm | Flange D1: 86mm | Ball Screw Nut Length L1: 58mm | Grade: C3 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2525B+C5 | THK BNS2525B, φ25 Lead25, C5 | THK | Shaft Diameter: φ25mm | Lead: 25mm | Ball Screw Ca: 9.1kN / C0a: 19.3kN | Ball Spline C: 15.9kN / C0: 26.2kN | Nut OD D: 66mm | Flange D1: 86mm | Ball Screw Nut Length L1: 58mm | Grade: C5 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) | ||
| BNS2525B+C7 | THK BNS2525B, φ25 Lead25, C7 | THK | Shaft Diameter: φ25mm | Lead: 25mm | Ball Screw Ca: 9.1kN / C0a: 19.3kN | Ball Spline C: 15.9kN / C0: 26.2kN | Nut OD D: 66mm | Flange D1: 86mm | Ball Screw Nut Length L1: 58mm | Grade: C7 | Shaft Length: Custom order | DN Value: 70,000 | Type: Ball Screw + Ball Spline Combined (BNS-B) |
