![[THK] — BNT Rolled Ball Screw (Non-preloaded, Square Nut, φ14~45)](https://prosourcemro.com/wp-content/uploads/2026/05/001-885-1024x1024.png)
Ball Screws
THK
[THK] — BNT Rolled Ball Screw (Non-preloaded, Square Nut, φ14~45)
Family ID: THK-BNT
THK BNT Series Rolled Ball Screw (Non-preloaded type). Square nut with mounting tapped holes — compact installation without housing. DN value 50,000. Shaft diameter range φ14~45mm. Custom shaft length available. Grade C7. Seal type ZZ.
30 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNT1404-3.6ZZG0+C7 | THK BNT1404-3.6, φ14 Lead4, G0, C7 | THK | Shaft Diameter: φ14mm | Lead: 4mm | Ca: 5.5kN | C0a: 11.5kN | K: 150N/μm | Ball Circuit: 1×3.65 | Nut Width W: 34mm | Shaft Center Height F: 13mm | Nut Length L1: 35mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1404-3.6ZZG2+C7 | THK BNT1404-3.6, φ14 Lead4, G2, C7 | THK | Shaft Diameter: φ14mm | Lead: 4mm | Ca: 5.5kN | C0a: 11.5kN | K: 150N/μm | Ball Circuit: 1×3.65 | Nut Width W: 34mm | Shaft Center Height F: 13mm | Nut Length L1: 35mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1405-2.6ZZG0+C7 | THK BNT1405-2.6, φ14 Lead5, G0, C7 | THK | Shaft Diameter: φ14mm | Lead: 5mm | Ca: 5.0kN | C0a: 11.4kN | K: 110N/μm | Ball Circuit: 1×2.65 | Nut Width W: 34mm | Shaft Center Height F: 13mm | Nut Length L1: 35mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1405-2.6ZZG2+C7 | THK BNT1405-2.6, φ14 Lead5, G2, C7 | THK | Shaft Diameter: φ14mm | Lead: 5mm | Ca: 5.0kN | C0a: 11.4kN | K: 110N/μm | Ball Circuit: 1×2.65 | Nut Width W: 34mm | Shaft Center Height F: 13mm | Nut Length L1: 35mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1605-2.6ZZG0+C7 | THK BNT1605-2.6, φ16 Lead5, G0, C7 | THK | Shaft Diameter: φ16mm | Lead: 5mm | Ca: 5.4kN | C0a: 13.3kN | K: 130N/μm | Ball Circuit: 1×2.65 | Nut Width W: 42mm | Shaft Center Height F: 16mm | Nut Length L1: 36mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1605-2.6ZZG2+C7 | THK BNT1605-2.6, φ16 Lead5, G2, C7 | THK | Shaft Diameter: φ16mm | Lead: 5mm | Ca: 5.4kN | C0a: 13.3kN | K: 130N/μm | Ball Circuit: 1×2.65 | Nut Width W: 42mm | Shaft Center Height F: 16mm | Nut Length L1: 36mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1808-3.6ZZG0+C7 | THK BNT1808-3.6, φ18 Lead8, G0, C7 | THK | Shaft Diameter: φ18mm | Lead: 8mm | Ca: 13.1kN | C0a: 31.0kN | K: 210N/μm | Ball Circuit: 1×3.65 | Nut Width W: 48mm | Shaft Center Height F: 17mm | Nut Length L1: 56mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT1808-3.6ZZG2+C7 | THK BNT1808-3.6, φ18 Lead8, G2, C7 | THK | Shaft Diameter: φ18mm | Lead: 8mm | Ca: 13.1kN | C0a: 31.0kN | K: 210N/μm | Ball Circuit: 1×3.65 | Nut Width W: 48mm | Shaft Center Height F: 17mm | Nut Length L1: 56mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2005-2.6ZZG0+C7 | THK BNT2005-2.6, φ20 Lead5, G0, C7 | THK | Shaft Diameter: φ20mm | Lead: 5mm | Ca: 6.0kN | C0a: 16.5kN | K: 150N/μm | Ball Circuit: 1×2.65 | Nut Width W: 48mm | Shaft Center Height F: 17mm | Nut Length L1: 35mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2005-2.6ZZG2+C7 | THK BNT2005-2.6, φ20 Lead5, G2, C7 | THK | Shaft Diameter: φ20mm | Lead: 5mm | Ca: 6.0kN | C0a: 16.5kN | K: 150N/μm | Ball Circuit: 1×2.65 | Nut Width W: 48mm | Shaft Center Height F: 17mm | Nut Length L1: 35mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2010-2.6ZZG0+C7 | THK BNT2010-2.6, φ20 Lead10, G0, C7 | THK | Shaft Diameter: φ20mm | Lead: 10mm | Ca: 10.6kN | C0a: 25.1kN | K: 160N/μm | Ball Circuit: 1×2.65 | Nut Width W: 48mm | Shaft Center Height F: 18mm | Nut Length L1: 58mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2010-2.6ZZG2+C7 | THK BNT2010-2.6, φ20 Lead10, G2, C7 | THK | Shaft Diameter: φ20mm | Lead: 10mm | Ca: 10.6kN | C0a: 25.1kN | K: 160N/μm | Ball Circuit: 1×2.65 | Nut Width W: 48mm | Shaft Center Height F: 18mm | Nut Length L1: 58mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2505-2.6ZZG0+C7 | THK BNT2505-2.6, φ25 Lead5, G0, C7 | THK | Shaft Diameter: φ25mm | Lead: 5mm | Ca: 6.7kN | C0a: 20.8kN | K: 180N/μm | Ball Circuit: 1×2.65 | Nut Width W: 60mm | Shaft Center Height F: 20mm | Nut Length L1: 35mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2505-2.6ZZG2+C7 | THK BNT2505-2.6, φ25 Lead5, G2, C7 | THK | Shaft Diameter: φ25mm | Lead: 5mm | Ca: 6.7kN | C0a: 20.8kN | K: 180N/μm | Ball Circuit: 1×2.65 | Nut Width W: 60mm | Shaft Center Height F: 20mm | Nut Length L1: 35mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2510-5.3ZZG0+C7 | THK BNT2510-5.3, φ25 Lead10, G0, C7 | THK | Shaft Diameter: φ25mm | Lead: 10mm | Ca: 31.2kN | C0a: 83.7kN | K: 400N/μm | Ball Circuit: 2×2.65 | Nut Width W: 60mm | Shaft Center Height F: 23mm | Nut Length L1: 94mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2510-5.3ZZG2+C7 | THK BNT2510-5.3, φ25 Lead10, G2, C7 | THK | Shaft Diameter: φ25mm | Lead: 10mm | Ca: 31.2kN | C0a: 83.7kN | K: 400N/μm | Ball Circuit: 2×2.65 | Nut Width W: 60mm | Shaft Center Height F: 23mm | Nut Length L1: 94mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2806-2.6ZZG0+C7 | THK BNT2806-2.6, φ28 Lead6, G0, C7 | THK | Shaft Diameter: φ28mm | Lead: 6mm | Ca: 7.0kN | C0a: 23.4kN | K: 200N/μm | Ball Circuit: 1×2.65 | Nut Width W: 60mm | Shaft Center Height F: 22mm | Nut Length L1: 42mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2806-2.6ZZG2+C7 | THK BNT2806-2.6, φ28 Lead6, G2, C7 | THK | Shaft Diameter: φ28mm | Lead: 6mm | Ca: 7.0kN | C0a: 23.4kN | K: 200N/μm | Ball Circuit: 1×2.65 | Nut Width W: 60mm | Shaft Center Height F: 22mm | Nut Length L1: 42mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2806-5.3ZZG0+C7 | THK BNT2806-5.3, φ28 Lead6, G0, C7 | THK | Shaft Diameter: φ28mm | Lead: 6mm | Ca: 12.8kN | C0a: 46.8kN | K: 390N/μm | Ball Circuit: 2×2.65 | Nut Width W: 60mm | Shaft Center Height F: 22mm | Nut Length L1: 67mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT2806-5.3ZZG2+C7 | THK BNT2806-5.3, φ28 Lead6, G2, C7 | THK | Shaft Diameter: φ28mm | Lead: 6mm | Ca: 12.8kN | C0a: 46.8kN | K: 390N/μm | Ball Circuit: 2×2.65 | Nut Width W: 60mm | Shaft Center Height F: 22mm | Nut Length L1: 67mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3210-2.6ZZG0+C7 | THK BNT3210-2.6, φ32 Lead10, G0, C7 | THK | Shaft Diameter: φ32mm | Lead: 10mm | Ca: 19.8kN | C0a: 53.8kN | K: 250N/μm | Ball Circuit: 1×2.65 | Nut Width W: 70mm | Shaft Center Height F: 26mm | Nut Length L1: 64mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3210-2.6ZZG2+C7 | THK BNT3210-2.6, φ32 Lead10, G2, C7 | THK | Shaft Diameter: φ32mm | Lead: 10mm | Ca: 19.8kN | C0a: 53.8kN | K: 250N/μm | Ball Circuit: 1×2.65 | Nut Width W: 70mm | Shaft Center Height F: 26mm | Nut Length L1: 64mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3210-5.3ZZG0+C7 | THK BNT3210-5.3, φ32 Lead10, G0, C7 | THK | Shaft Diameter: φ32mm | Lead: 10mm | Ca: 36.0kN | C0a: 107.5kN | K: 490N/μm | Ball Circuit: 2×2.65 | Nut Width W: 70mm | Shaft Center Height F: 26mm | Nut Length L1: 94mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3210-5.3ZZG2+C7 | THK BNT3210-5.3, φ32 Lead10, G2, C7 | THK | Shaft Diameter: φ32mm | Lead: 10mm | Ca: 36.0kN | C0a: 107.5kN | K: 490N/μm | Ball Circuit: 2×2.65 | Nut Width W: 70mm | Shaft Center Height F: 26mm | Nut Length L1: 94mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3610-2.6ZZG0+C7 | THK BNT3610-2.6, φ36 Lead10, G0, C7 | THK | Shaft Diameter: φ36mm | Lead: 10mm | Ca: 20.8kN | C0a: 59.3kN | K: 270N/μm | Ball Circuit: 1×2.65 | Nut Width W: 86mm | Shaft Center Height F: 29mm | Nut Length L1: 64mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3610-2.6ZZG2+C7 | THK BNT3610-2.6, φ36 Lead10, G2, C7 | THK | Shaft Diameter: φ36mm | Lead: 10mm | Ca: 20.8kN | C0a: 59.3kN | K: 270N/μm | Ball Circuit: 1×2.65 | Nut Width W: 86mm | Shaft Center Height F: 29mm | Nut Length L1: 64mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3610-5.3ZZG0+C7 | THK BNT3610-5.3, φ36 Lead10, G0, C7 | THK | Shaft Diameter: φ36mm | Lead: 10mm | Ca: 37.8kN | C0a: 118.7kN | K: 530N/μm | Ball Circuit: 2×2.65 | Nut Width W: 86mm | Shaft Center Height F: 29mm | Nut Length L1: 96mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT3610-5.3ZZG2+C7 | THK BNT3610-5.3, φ36 Lead10, G2, C7 | THK | Shaft Diameter: φ36mm | Lead: 10mm | Ca: 37.8kN | C0a: 118.7kN | K: 530N/μm | Ball Circuit: 2×2.65 | Nut Width W: 86mm | Shaft Center Height F: 29mm | Nut Length L1: 96mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT4512-5.3ZZG0+C7 | THK BNT4512-5.3, φ45 Lead12, G0, C7 | THK | Shaft Diameter: φ45mm | Lead: 12mm | Ca: 49.5kN | C0a: 169.0kN | K: 650N/μm | Ball Circuit: 2×2.65 | Nut Width W: 100mm | Shaft Center Height F: 36mm | Nut Length L1: 115mm | Clearance: G0 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) | ||
| BNT4512-5.3ZZG2+C7 | THK BNT4512-5.3, φ45 Lead12, G2, C7 | THK | Shaft Diameter: φ45mm | Lead: 12mm | Ca: 49.5kN | C0a: 169.0kN | K: 650N/μm | Ball Circuit: 2×2.65 | Nut Width W: 100mm | Shaft Center Height F: 36mm | Nut Length L1: 115mm | Clearance: G2 | Grade: C7 | Seal: ZZ | Shaft Length: Custom order | DN Value: 50,000 | Type: Rolled, Non-preloaded, Square Nut (BNT) |
