![[THK] — BNF Ball Screw (Single Nut Flanged, Shaft φ55~100)](https://img.prosourcemro.com/2026/05/001-870-1024x683.png)
Ball Screws
THK
[THK] — BNF Ball Screw (Single Nut Flanged, Shaft φ55~100)
Family ID: THK-BNF2-55-100
THK BNF Series Precision Ball Screw with Single Flanged Nut. Simplest single-nut configuration — mounted via bolt holes on flange. Shaft diameter φ55~100mm.
36 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| BNF5510-2.5 | THK BNF5510-2.5, φ55 Lead10, Ca=33.4kN | THK | Shaft Diameter: φ55mm | Lead: 10mm | Ca: 33.4kN | C0a: 97.0kN | Nut OD D: 102mm | Flange D1: 144mm | Nut Length L1: 81mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5510-5 | THK BNF5510-5, φ55 Lead10, Ca=60.7kN | THK | Shaft Diameter: φ55mm | Lead: 10mm | Ca: 60.7kN | C0a: 194.0kN | Nut OD D: 102mm | Flange D1: 144mm | Nut Length L1: 111mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5510-7.5 | THK BNF5510-7.5, φ55 Lead10, Ca=85.9kN | THK | Shaft Diameter: φ55mm | Lead: 10mm | Ca: 85.9kN | C0a: 291.1kN | Nut OD D: 102mm | Flange D1: 144mm | Nut Length L1: 141mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5512-2.5 | THK BNF5512-2.5, φ55 Lead12, Ca=39.3kN | THK | Shaft Diameter: φ55mm | Lead: 12mm | Ca: 39.3kN | C0a: 108.8kN | Nut OD D: 105mm | Flange D1: 147mm | Nut Length L1: 93mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5512-3 | THK BNF5512-3, φ55 Lead12, Ca=46.0kN | THK | Shaft Diameter: φ55mm | Lead: 12mm | Ca: 46.0kN | C0a: 131.3kN | Nut OD D: 105mm | Flange D1: 147mm | Nut Length L1: 107mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5512-3.5 | THK BNF5512-3.5, φ55 Lead12, Ca=52.4kN | THK | Shaft Diameter: φ55mm | Lead: 12mm | Ca: 52.4kN | C0a: 152.9kN | Nut OD D: 105mm | Flange D1: 147mm | Nut Length L1: 105mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5512-5 | THK BNF5512-5, φ55 Lead12, Ca=71.3kN | THK | Shaft Diameter: φ55mm | Lead: 12mm | Ca: 71.3kN | C0a: 218.5kN | Nut OD D: 105mm | Flange D1: 147mm | Nut Length L1: 129mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5512-7.5 | THK BNF5512-7.5, φ55 Lead12, Ca=100.9kN | THK | Shaft Diameter: φ55mm | Lead: 12mm | Ca: 100.9kN | C0a: 327.3kN | Nut OD D: 105mm | Flange D1: 147mm | Nut Length L1: 165mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5516-2.5 | THK BNF5516-2.5, φ55 Lead16, Ca=76.1kN | THK | Shaft Diameter: φ55mm | Lead: 16mm | Ca: 76.1kN | C0a: 201.9kN | Nut OD D: 110mm | Flange D1: 158mm | Nut Length L1: 116mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5516-5 | THK BNF5516-5, φ55 Lead16, Ca=138.2kN | THK | Shaft Diameter: φ55mm | Lead: 16mm | Ca: 138.2kN | C0a: 402.8kN | Nut OD D: 110mm | Flange D1: 158mm | Nut Length L1: 164mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5520-2.5 | THK BNF5520-2.5, φ55 Lead20, Ca=76.0kN | THK | Shaft Diameter: φ55mm | Lead: 20mm | Ca: 76.0kN | C0a: 201.9kN | Nut OD D: 112mm | Flange D1: 158mm | Nut Length L1: 127mm | Type: Single Nut, Flanged (BNF) | ||
| BNF5520-5 | THK BNF5520-5, φ55 Lead20, Ca=138.2kN | THK | Shaft Diameter: φ55mm | Lead: 20mm | Ca: 138.2kN | C0a: 403.8kN | Nut OD D: 112mm | Flange D1: 158mm | Nut Length L1: 187mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6310-2.5 | THK BNF6310-2.5, φ63 Lead10, Ca=35.4kN | THK | Shaft Diameter: φ63mm | Lead: 10mm | Ca: 35.4kN | C0a: 111.7kN | Nut OD D: 108mm | Flange D1: 154mm | Nut Length L1: 77mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6310-5 | THK BNF6310-5, φ63 Lead10, Ca=64.2kN | THK | Shaft Diameter: φ63mm | Lead: 10mm | Ca: 64.2kN | C0a: 222.5kN | Nut OD D: 108mm | Flange D1: 154mm | Nut Length L1: 107mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6310-7.5 | THK BNF6310-7.5, φ63 Lead10, Ca=90.9kN | THK | Shaft Diameter: φ63mm | Lead: 10mm | Ca: 90.9kN | C0a: 334.2kN | Nut OD D: 108mm | Flange D1: 154mm | Nut Length L1: 137mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6312A-2.5 | THK BNF6312A-2.5, φ63 Lead12, Ca=48.1kN | THK | Shaft Diameter: φ63mm | Lead: 12mm | Ca: 48.1kN | C0a: 139.2kN | Nut OD D: 115mm | Flange D1: 161mm | Nut Length L1: 87mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6312A-5 | THK BNF6312A-5, φ63 Lead12, Ca=87.4kN | THK | Shaft Diameter: φ63mm | Lead: 12mm | Ca: 87.4kN | C0a: 278.3kN | Nut OD D: 115mm | Flange D1: 161mm | Nut Length L1: 123mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6316-5 | THK BNF6316-5, φ63 Lead16, Ca=147.0kN | THK | Shaft Diameter: φ63mm | Lead: 16mm | Ca: 147.0kN | C0a: 462.6kN | Nut OD D: 122mm | Flange D1: 184mm | Nut Length L1: 160mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6320-2.5 | THK BNF6320-2.5, φ63 Lead20, Ca=81.0kN | THK | Shaft Diameter: φ63mm | Lead: 20mm | Ca: 81.0kN | C0a: 231.3kN | Nut OD D: 122mm | Flange D1: 180mm | Nut Length L1: 127mm | Type: Single Nut, Flanged (BNF) | ||
| BNF6320-5 | THK BNF6320-5, φ63 Lead20, Ca=147.0kN | THK | Shaft Diameter: φ63mm | Lead: 20mm | Ca: 147.0kN | C0a: 463.5kN | Nut OD D: 122mm | Flange D1: 180mm | Nut Length L1: 187mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7010-2.5 | THK BNF7010-2.5, φ70 Lead10, Ca=36.8kN | THK | Shaft Diameter: φ70mm | Lead: 10mm | Ca: 36.8kN | C0a: 123.5kN | Nut OD D: 125mm | Flange D1: 167mm | Nut Length L1: 81mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7010-5 | THK BNF7010-5, φ70 Lead10, Ca=66.9kN | THK | Shaft Diameter: φ70mm | Lead: 10mm | Ca: 66.9kN | C0a: 247.0kN | Nut OD D: 125mm | Flange D1: 167mm | Nut Length L1: 111mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7010-7.5 | THK BNF7010-7.5, φ70 Lead10, Ca=94.9kN | THK | Shaft Diameter: φ70mm | Lead: 10mm | Ca: 94.9kN | C0a: 371.4kN | Nut OD D: 125mm | Flange D1: 167mm | Nut Length L1: 141mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7012-2.5 | THK BNF7012-2.5, φ70 Lead12, Ca=43.5kN | THK | Shaft Diameter: φ70mm | Lead: 12mm | Ca: 43.5kN | C0a: 139.2kN | Nut OD D: 128mm | Flange D1: 170mm | Nut Length L1: 93mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7012-5 | THK BNF7012-5, φ70 Lead12, Ca=78.9kN | THK | Shaft Diameter: φ70mm | Lead: 12mm | Ca: 78.9kN | C0a: 278.3kN | Nut OD D: 128mm | Flange D1: 170mm | Nut Length L1: 129mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7012-7.5 | THK BNF7012-7.5, φ70 Lead12, Ca=111.7kN | THK | Shaft Diameter: φ70mm | Lead: 12mm | Ca: 111.7kN | C0a: 417.5kN | Nut OD D: 128mm | Flange D1: 170mm | Nut Length L1: 165mm | Type: Single Nut, Flanged (BNF) | ||
| BNF7020-5 | THK BNF7020-5, φ70 Lead20, Ca=153.9kN | THK | Shaft Diameter: φ70mm | Lead: 20mm | Ca: 153.9kN | C0a: 514.5kN | Nut OD D: 130mm | Flange D1: 186mm | Nut Length L1: 185mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8010-2.5 | THK BNF8010-2.5, φ80 Lead10, Ca=38.9kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 38.9kN | C0a: 141.1kN | Nut OD D: 130mm | Flange D1: 176mm | Nut Length L1: 77mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8010-5 | THK BNF8010-5, φ80 Lead10, Ca=70.6kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 70.6kN | C0a: 283.2kN | Nut OD D: 130mm | Flange D1: 176mm | Nut Length L1: 107mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8010-7.5 | THK BNF8010-7.5, φ80 Lead10, Ca=100.0kN | THK | Shaft Diameter: φ80mm | Lead: 10mm | Ca: 100.0kN | C0a: 424.3kN | Nut OD D: 130mm | Flange D1: 176mm | Nut Length L1: 137mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8020A-2.5 | THK BNF8020A-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 | Nut Length L1: 127mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8020A-5 | THK BNF8020A-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 | Nut Length L1: 187mm | Type: Single Nut, Flanged (BNF) | ||
| BNF8020A-7.5 | THK BNF8020A-7.5, φ80 Lead20, Ca=231.6kN | THK | Shaft Diameter: φ80mm | Lead: 20mm | Ca: 231.6kN | C0a: 883.2kN | Nut OD D: 143mm | Flange D1: 204mm | Nut Length L1: 247mm | Type: Single Nut, Flanged (BNF) | ||
| BNF10020A-2.5 | THK BNF10020A-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 | Nut Length L1: 131mm | Type: Single Nut, Flanged (BNF) | ||
| BNF10020A-5 | THK BNF10020A-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 | Nut Length L1: 191mm | Type: Single Nut, Flanged (BNF) | ||
| BNF10020A-7.5 | THK BNF10020A-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 | Nut Length L1: 251mm | Type: Single Nut, Flanged (BNF) |
