Product Details
| Product Name: | Length: | Model Number: |
| Ball Screw | Customer Requirements | BNS |
| Material: | Applicable Industries: | Processing Method: |
| Carbon Steel | Building Material Shops,Manufacturing Plant,Machinery Repair Shops,Printing Shops,Construction Works | CNC Machining,CNC Turning,Drilling,etc |
| Core Components: | Feature; | Accuracy: |
| Bearing,Nut,Shaft,Balls | Fine Feed High Rigidity | C3/C5/C7/C10 |
Product Description
BNS Custom Length Ball Screw Grinding Milled Thread Ball Screw With Nut
Customize Ballscrew BNS1616B BNS2020B BNS2525B BNS1616B BNS2020B BNS2525B
series Ball screw
BNS series features high smoothness, high rigidity, high durability and strong dust-proof, with internal circulation
design, making BNS series applicable to small operating environment.

| Ball screw unit | ||||||||||||||||
| Model No. | Screw shaft outer diameterd |
Screw shaft nner diameterdb |
Lead
Ph |
Ball screw dimensions | ||||||||||||
| Basic load rating | Ball center- to-center diameter dp |
Thread minor diameledc |
Outer diameter D g6 |
Rlange diameter D |
Overall ength L₁ |
D₃ h7 |
D₄ H7 |
|||||||||
| Ca kN |
Coa kN |
|||||||||||||||
| BNS1616B | 16 | 11 | 16 | 3.9 | 7.2 | 16.65 | 13.7 | 48 | 64 | 40 | 36 | 32 | ||||
| BNS2020B | 20 | 14 | 20 | 6.1 | 12.3 | 20.75 | 17.5 | 56 | 72 | 48 | 43.5 | 39 | ||||
| BNS2525B | 25 | 18 | 25 | 9.1 | 19.3 | 26 | 21.9 | 66 | 86 | 58 | 52 | 47 | ||||
| Ball spline | ||||||||||||||||
| Model No | Ball spline dimensions | |||||||||||||||
| Basic load rating | Static ermissible momen MA N-m |
Basic torque rating | Oute diamete D₇ |
Flange diamete D₅ |
Overal length Lz |
D₆ h7 |
BE₁ | |||||||||
| C
kN |
Co kN |
Cr
N·m |
Car
N·m |
|||||||||||||
| BNS1616B | 8.4 | 13.4 | 77.4 | 42.9 | 68.6 | 48 | 64 | 48.3 | 36 | 28 | ||||||
| BNS2020B | 10.5 | 18.6 | 144 | 66.4 | 117.2 | 56 | 72 | 61 | 43.5 | 32 | ||||||
| BNS2525B | 15.9 | 26.2 | 230 | 125.3 | 207 | 66 | 86 | 69 | 52 | 40 | ||||||

| Sup bearing load r Ca kN |
port basic atingCoa kN |
Nut inertial momentkg·m |
Screw shaft nertial momentkg·m²/mm |
Nut masskg |
Shaft masskg/m |
|||||||||||||
| BE | H | B₄ | B₅ | Te | P₁ | P₂ | S | t | d₁ | |||||||||
| 32 | 6 | 21 | 10 | 2 | 56 | 25 | M4 | 13.5 | 4.5 | 8.7 | 10.5 | 3.50×10-5 | 3.21×10- | 0.31 | 0.71 | |||
| 39 | 6 | 21 | 11 | 2.5 | 64 | 31 | M5 | 16.5 | 4.5 | 9.7 | 13.4 | 8.50×10-5 | 8.04×10- | 0.54 | 1.11 | |||
| 47 | 7 | 25 | 13 | 3 | 75 | 38 | M6 | 20 | 5.5 | 12.7 | 18.2 | 2.12×10-⁴ | 1.91×10- | 0.88 | 1.65 | |||
| Unit.mm | ||||||||||||||||||
| Support basic loaCkN |
bearing d rating C₀kN |
Nut inertial momentkg·m |
Nut masskg |
|||||||||||||||
| H₁ | Bs | B₇ | P₃ | P₄ | Pull
0 |
ey mo N |
unting S₁ |
tap t₁ |
dz | Oil HS |
hole F |
|||||||
| 6 | 21 | 10 | 56 | 40 | 4 | M4 | 6 | 4.5 | 2 | 5.85 | 6.7 | 6.4 | 0.33×10-4 | 0.32 | ||||
| 6 | 21 | 12 | 64 | 30 | 50 | 4 | M4 | 6 | 4.5 | 2 | 11.2 | 7.4 | 7.8 | 0.80×10* | 0.48 | |||
| 7 | 25 | 13 | 75 | 36 | 50 | 4 | M5 | 8 | 5.5 | 2 | 11.85 | 9.7 | 10.6 | 1.93×10-⁴ | 0.77 | |||
Feature of Ball Screw-Internal Return Series
1. Internal return design saves more space.
2. High accuracy guaranteed.
3. Fine feed, can be controlled within 0.1μm.
4. No backlash, High rigidity.
Tags:
BNS TYPE Milling Lead Screw,
Milling Lead Screw For Industry Machinery,
Power Screw With Flange
