Full-Ball Type Precision Ball Screw Double-nut Preload Model BNFN Model BNFN
The most common type with a preload provided via a spacer between the two combined ball screw nuts to eliminate the backlash. It can be mounted using the bolt holes drilled on the flange.The Model BNFN-V has improved DN values in comparison with the conventional Model BNFN. (DN values: Small: 100,000, Medium: 130,000)
DN value : 70000
Screw shaft diameter (mm) :
55,63,70,80,100
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Detailed information
- Dimensional drawing/Dimensional table
- Model Number Coding
- Maximum Manufacturing Length of the Screw Shaft
Optional
Contamination Protection
- Contamination Protection Seal for Ball Screws Labyrinth seal
- Contamination Protection Seal for Ball Screws Brush seal
- Wiper Ring
- Canvas seal
- Thin Film Seal
- Dust Cover for Ball Screws
Lubrication
- QZ Lubricator
Rustprevention
- Surface Treatment
Other
- Dimensions of Each Model with an Option Attached
- Additional Machining for Shaft Ends
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| Model No. | Designer* | Life Calculator* | CAD Download* |
Catalog Download |
Manual Download |
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| BNFN 5510-2.5 |
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| BNFN 5510-5 |
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| BNFN 5510-7.5 |
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| BNFN 5512-2.5 |
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| BNFN 5512-3 |
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| BNFN 5512-3.5 |
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| BNFN 5512-5 |
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| BNFN 5512-7.5 |
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| BNFN 5516-2.5 |
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| BNFN 5516-5 |
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| BNFN 5520-2.5 |
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| BNFN 5520-5 |
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| BNFN 6310-2.5 |
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| BNFN 6310-5 |
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| BNFN 6310-7.5 |
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| BNFN 6312A-2.5 |
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| BNFN 6312A-5 |
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| BNFN 6316-2.5 |
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| BNFN 6316-5 |
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| BNFN 6320-2.5 |
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| BNFN 6320-5 |
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| BNFN 7010-2.5 |
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| BNFN 7010-5 |
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| BNFN 7010-7.5 |
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| BNFN 7012-2.5 |
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| BNFN 7012-5 |
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| BNFN 7012-7.5 |
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| BNFN 7020-5 |
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| BNFN 8010-2.5 |
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| BNFN 8010-5 |
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| BNFN 8010-7.5 |
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| BNFN 8012-5 |
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| BNFN 8020A-2.5 |
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| BNFN 8020A-5 |
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| BNFN 10020A-2.5 |
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| BNFN 10020A-5 |
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| BNFN 10020A-7.5 |
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