![[THK] — BNK2010K-2.5 Ball Screw (Shaft φ20, Lead 10mm)](https://img.prosourcemro.com/2026/05/001-823-1024x847.png)
Ball Screws
THK
[THK] — BNK2010K-2.5 Ball Screw (Shaft φ20, Lead 10mm)
Family ID: THK-BNK2010K-2.5
THK BNK Series Precision Ground Ball Screw, shaft diameter φ20mm, lead 10mm. 2.5 turns × 1 row ball circuit, End Cap return type. Available in G0 (zero clearance) and G2 (standard) with C5/C7 lead accuracy grade. Flanged nut with pre-machined shaft end (BNK finished type). Note: Low-noise type (K variant).
18 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNK2010K-2.5G0+499LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 300mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 300mm | Screw Length L3: 499mm | L2: 414mm | L1: 389mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+499LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 300mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 300mm | Screw Length L3: 499mm | L2: 414mm | L1: 389mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+599LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 400mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 400mm | Screw Length L3: 599mm | L2: 514mm | L1: 489mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+599LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 400mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 400mm | Screw Length L3: 599mm | L2: 514mm | L1: 489mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+699LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 500mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 500mm | Screw Length L3: 699mm | L2: 614mm | L1: 589mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+699LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 500mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 500mm | Screw Length L3: 699mm | L2: 614mm | L1: 589mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+799LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 600mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 600mm | Screw Length L3: 799mm | L2: 714mm | L1: 689mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+799LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 600mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 600mm | Screw Length L3: 799mm | L2: 714mm | L1: 689mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+899LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 700mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 700mm | Screw Length L3: 899mm | L2: 814mm | L1: 789mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+899LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 700mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 700mm | Screw Length L3: 899mm | L2: 814mm | L1: 789mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+999LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 800mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 800mm | Screw Length L3: 999mm | L2: 914mm | L1: 889mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+999LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 800mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 800mm | Screw Length L3: 999mm | L2: 914mm | L1: 889mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+1099LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 900mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 900mm | Screw Length L3: 1099mm | L2: 1014mm | L1: 989mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+1099LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 900mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 900mm | Screw Length L3: 1099mm | L2: 1014mm | L1: 989mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+1199LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 1000mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 1000mm | Screw Length L3: 1199mm | L2: 1114mm | L1: 1089mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+1199LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 1000mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 1000mm | Screw Length L3: 1199mm | L2: 1114mm | L1: 1089mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G0+1299LC5K | THK BNK2010K-2.5, φ20 Lead10, Stroke 1100mm, G0 (Zero), 5K (C5 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 1100mm | Screw Length L3: 1299mm | L2: 1214mm | L1: 1189mm | Clearance: G0 (Zero) | Nut Grade: 5K (C5 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap | ||
| BNK2010K-2.5G2+1299LC7K | THK BNK2010K-2.5, φ20 Lead10, Stroke 1100mm, G2 (Standard), 7K (C7 Grade) | THK | Shaft Diameter: φ20mm | Lead: 10mm | Stroke: 1100mm | Screw Length L3: 1299mm | L2: 1214mm | L1: 1189mm | Clearance: G2 (Standard) | Nut Grade: 7K (C7 Grade) | Ball Circuit: 2.5 turns × 1 row | Return Type: End Cap |
