THK BNF-V Ball Screw (Single Nut Flanged, Shaft φ45, Medium)

THK BNF Series Precision Ball Screw with Single Flanged Nut.

Key features

Simplest single-nut configuration — mounted via bolt holes on flange
Shaft diameter φ45mm

Specifications

Type	Single Nut, Flanged (BNF)

BNF4510V-7.5		THK BNF4510V-7.5, φ45 Lead10, Ca=78.8kN \| Shaft Diameter: φ45mm \| Lead: 10mm \| Ca: 78.8kN \| C0a: 237.8kN \| Nut OD D: 88mm \| Flange D1: 132mm \| Nut Length L1: 141mm \| Type: Single Nut, Flanged (BNF)
BNF4512V-5		THK BNF4512V-5, φ45 Lead12, Ca=65.2kN \| Shaft Diameter: φ45mm \| Lead: 12mm \| Ca: 65.2kN \| C0a: 178.3kN \| Nut OD D: 90mm \| Flange D1: 130mm \| Nut Length L1: 119mm \| Type: Single Nut, Flanged (BNF)
BNF4520V-2.5		THK BNF4520V-2.5, φ45 Lead20, Ca=35.8kN \| Shaft Diameter: φ45mm \| Lead: 20mm \| Ca: 35.8kN \| C0a: 89.7kN \| Nut OD D: 90mm \| Flange D1: 130mm \| Nut Length L1: 102mm \| Type: Single Nut, Flanged (BNF)
BNF5010V-2.5		THK BNF5010V-2.5, φ50 Lead10, Ca=32.1kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 32.1kN \| C0a: 88.1kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 73mm \| Type: Single Nut, Flanged (BNF)
BNF5010V-3.5		THK BNF5010V-3.5, φ50 Lead10, Ca=42.9kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 42.9kN \| C0a: 123.4kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 83mm \| Type: Single Nut, Flanged (BNF)
BNF5010V-7.5		THK BNF5010V-7.5, φ50 Lead10, Ca=82.5kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 82.5kN \| C0a: 264.4kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 133mm \| Type: Single Nut, Flanged (BNF)
BNF5012V-2.5		THK BNF5012V-2.5, φ50 Lead12, Ca=43.4kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 43.4kN \| C0a: 110.1kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 87mm \| Type: Single Nut, Flanged (BNF)
BNF5012V-3.5		THK BNF5012V-3.5, φ50 Lead12, Ca=58.0kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 58.0kN \| C0a: 154.1kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 99mm \| Type: Single Nut, Flanged (BNF)
BNF5012V-5		THK BNF5012V-5, φ50 Lead12, Ca=78.8kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 78.8kN \| C0a: 220.2kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 123mm \| Type: Single Nut, Flanged (BNF)
BNF5016V-2.5		THK BNF5016V-2.5, φ50 Lead16, Ca=72.6kN \| Shaft Diameter: φ50mm \| Lead: 16mm \| Ca: 72.6kN \| C0a: 183.1kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 116mm \| Type: Single Nut, Flanged (BNF)
BNF5016V-5		THK BNF5016V-5, φ50 Lead16, Ca=131.8kN \| Shaft Diameter: φ50mm \| Lead: 16mm \| Ca: 131.8kN \| C0a: 366.2kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 164mm \| Type: Single Nut, Flanged (BNF)
BNF5020V-2.5		THK BNF5020V-2.5, φ50 Lead20, Ca=72.5kN \| Shaft Diameter: φ50mm \| Lead: 20mm \| Ca: 72.5kN \| C0a: 183.6kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 141mm \| Type: Single Nut, Flanged (BNF)

Ball ScrewsTHK

12 product codes available in this family

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THK BNF-V Ball Screw (Single Nut Flanged, Shaft φ45, Medium)

Brand THK·Ball Screws

Available part numbers (12)

BNF4510V-7.5, BNF4512V-5, BNF4520V-2.5, BNF5010V-2.5, BNF5010V-3.5, BNF5010V-7.5, BNF5012V-2.5, BNF5012V-3.5, BNF5012V-5, BNF5016V-2.5 + 2 more — see full table ↓

How to order

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Product codes & specifications

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RFQ List (0)

	Product code	Spec
	BNF4510V-7.5	THK BNF4510V-7.5, φ45 Lead10, Ca=78.8kN \| Shaft Diameter: φ45mm \| Lead: 10mm \| Ca: 78.8kN \| C0a: 237.8kN \| Nut OD D: 88mm \| Flange D1: 132mm \| Nut Length L1: 141mm \| Type: Single Nut, Flanged (BNF)
	BNF4512V-5	THK BNF4512V-5, φ45 Lead12, Ca=65.2kN \| Shaft Diameter: φ45mm \| Lead: 12mm \| Ca: 65.2kN \| C0a: 178.3kN \| Nut OD D: 90mm \| Flange D1: 130mm \| Nut Length L1: 119mm \| Type: Single Nut, Flanged (BNF)
	BNF4520V-2.5	THK BNF4520V-2.5, φ45 Lead20, Ca=35.8kN \| Shaft Diameter: φ45mm \| Lead: 20mm \| Ca: 35.8kN \| C0a: 89.7kN \| Nut OD D: 90mm \| Flange D1: 130mm \| Nut Length L1: 102mm \| Type: Single Nut, Flanged (BNF)
	BNF5010V-2.5	THK BNF5010V-2.5, φ50 Lead10, Ca=32.1kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 32.1kN \| C0a: 88.1kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 73mm \| Type: Single Nut, Flanged (BNF)
	BNF5010V-3.5	THK BNF5010V-3.5, φ50 Lead10, Ca=42.9kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 42.9kN \| C0a: 123.4kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 83mm \| Type: Single Nut, Flanged (BNF)
	BNF5010V-7.5	THK BNF5010V-7.5, φ50 Lead10, Ca=82.5kN \| Shaft Diameter: φ50mm \| Lead: 10mm \| Ca: 82.5kN \| C0a: 264.4kN \| Nut OD D: 93mm \| Flange D1: 135mm \| Nut Length L1: 133mm \| Type: Single Nut, Flanged (BNF)
	BNF5012V-2.5	THK BNF5012V-2.5, φ50 Lead12, Ca=43.4kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 43.4kN \| C0a: 110.1kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 87mm \| Type: Single Nut, Flanged (BNF)
	BNF5012V-3.5	THK BNF5012V-3.5, φ50 Lead12, Ca=58.0kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 58.0kN \| C0a: 154.1kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 99mm \| Type: Single Nut, Flanged (BNF)
	BNF5012V-5	THK BNF5012V-5, φ50 Lead12, Ca=78.8kN \| Shaft Diameter: φ50mm \| Lead: 12mm \| Ca: 78.8kN \| C0a: 220.2kN \| Nut OD D: 100mm \| Flange D1: 146mm \| Nut Length L1: 123mm \| Type: Single Nut, Flanged (BNF)
	BNF5016V-2.5	THK BNF5016V-2.5, φ50 Lead16, Ca=72.6kN \| Shaft Diameter: φ50mm \| Lead: 16mm \| Ca: 72.6kN \| C0a: 183.1kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 116mm \| Type: Single Nut, Flanged (BNF)
	BNF5016V-5	THK BNF5016V-5, φ50 Lead16, Ca=131.8kN \| Shaft Diameter: φ50mm \| Lead: 16mm \| Ca: 131.8kN \| C0a: 366.2kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 164mm \| Type: Single Nut, Flanged (BNF)
	BNF5020V-2.5	THK BNF5020V-2.5, φ50 Lead20, Ca=72.5kN \| Shaft Diameter: φ50mm \| Lead: 20mm \| Ca: 72.5kN \| C0a: 183.6kN \| Nut OD D: 105mm \| Flange D1: 152mm \| Nut Length L1: 141mm \| Type: Single Nut, Flanged (BNF)

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THK BNF-V Ball Screw (Single Nut Flanged, Shaft φ45, Medium)