Ball screw/Spline combination BNS
THK BNS - Ball screw/Spline combination with a single shaft

- Excellent service
- Customer-specific assembly
- Stock management
- Delivery rate 99.5%
Principle
The THK Ball screw/Spline combination BNS is suitable for three types of motion (rotational, linear, and spiral) with a single shaft. It is optimal for machines that use a combination of rotational and straight movements. Rapid movements, starts, and stops are also possible. This product is compact, lightweight, and has low inertia.
The executionBall screw/Spline combination BNShas the following advantages:
Construction form
Dimensions
Dimensions

Type | As afmetingen (in mm) | Spindel moer afmetingen (in mm) | Spline moer afmetingen (in mm) | |||||
---|---|---|---|---|---|---|---|---|
Diameter | Spoed | Buiten diameter | Flens diameter | Lengte | Buiten diameter | Flens diameter | Lengte | |
d | l | D | D 1 | L 1 | D7 | D5 | L2 | |
BNS 0812A | 8 | 12 | 32 | 44 | 28.5 | 32 | 44 | 25 |
BNS 1015A | 10 | 15 | 36 | 48 | 34.5 | 36 | 48 | 33 |
BNS 1616A | 16 | 16 | 48 | 64 | 40 | 48 | 64 | 50 |
BNS 1616 | 16 | 16 | 52 | 68 | 43.5 | 52 | 68 | 50 |
BNS 2020A | 20 | 20 | 56 | 72 | 48 | 56 | 72 | 63 |
BNS 2020 | 20 | 20 | 62 | 78 | 54 | 56 | 72 | 63 |
BNS 2525A | 25 | 25 | 66 | 86 | 58 | 66 | 86 | 71 |
BNS 2525 | 25 | 25 | 72 | 92 | 65 | 62 | 78 | 71 |
BNS 3232A | 32 | 32 | 78 | 103 | 72 | 78 | 103 | 80 |
BNS 3232 | 32 | 32 | 80 | 105 | 80 | 80 | 105 | 80 |
BNS 4040A | 40 | 40 | 100 | 130 | 88 | 100 | 130 | 100 |
BNS 4040 | 40 | 40 | 110 | 140 | 98 | 100 | 130 | 100 |
BNS 5050 | 50 | 50 | 120 | 156 | 126 | 120 | 456 | 125 |
Loads and moments
Loads and moments
Type | Spindel | Spline | |||||
---|---|---|---|---|---|---|---|
Draaggetallen (kN) | Draaggetallen (kN) | Max torsie belasting (N-m) | Momentbelastingen (N-m) | ||||
Dynamisch | Statisch | Dynamisch | Statisch | Dynamisch | Statisch | Ma | |
BNS 0812A | 1.1 | 1.8 | 1.5 | 2.6 | 2 | 2.9 | 5.9 |
BNS 1015A | 1.7 | 2.7 | 2.7 | 4.9 | 3.9 | 7.8 | 15.7 |
BNS 1616A | 3.9 | 7.2 | 7.1 | 12.6 | 31.4 | 34.3 | 67.6 |
BNS 1616 | 3.9 | 7.2 | 7.1 | 12.6 | 31.4 | 34.3 | 67.6 |
BNS 2020A | 6.1 | 12.3 | 10.2 | 17.8 | 56.8 | 55.8 | 118 |
BNS 2020 | 6.1 | 12.3 | 10.2 | 17.8 | 56.8 | 55.8 | 118 |
BNS 2525A | 9.1 | 19.3 | 15.2 | 25.8 | 105 | 103 | 210 |
BNS 2525 | 9.1 | 19.3 | 15.2 | 25.8 | 105 | 103 | 210 |
BNS 3232A | 13 | 29.8 | 20.5 | 34 | 180 | 157 | 290 |
BNS 3232 | 13 | 29.8 | 20.5 | 34 | 180 | 157 | 290 |
BNS 4040A | 21.4 | 49.7 | 37.8 | 60.5 | 418 | 377 | 687 |
BNS 4040 | 21.4 | 49.7 | 37.8 | 60.5 | 418 | 377 | 687 |
BNS 5050 | 31.8 | 77.6 | 60.9 | 94.5 | 842 | 768 | 1340 |
3D model
3D model
Download the 3D model
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