Precision Caged Ball Screw High Speed SDAN-V/SDAN-VX type Models SDAN-V / SDAN-VX 45 / 50

The preload method utilizes a combination of two ball screw nuts preloaded with spacers to eliminate backlash. The nut dimensions conform to ISO standards (ISO 3408). This type has improved axial rigidity in comparison with the Model SDA-V.
Model SDAN-VX is the full-ball type version of the Model SDAN-V.

DN value(Models SDAN-V / SDAN-VZ) : 160000 / 130000
Screw shaft diameter (mm) : 45,50

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Products	Contents
LM Guide	LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc.
Ball Screw	Axial clearance, maximum manufacturing length of shaft, etc.
Actuator	Movable part mass, etc.

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Dimensions of Each Model with an Option Attached
Additional Machining for Shaft Ends

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Dimensional drawing/Dimensional table

Notes on dimensional table

Note) L₁,B₁, and B₄ dimensions are those when a thin fi lm seal (TT) has been installed. Dimensions without the seal are shown in parentheses.It is not possible to chamfer both ends of the screw shaft. When designing your system this way, contact THK.

The rigidity values in the table represent spring constants, each obtained from the load and the elastic deformation when providing a preload equal to 10% of the basic axial dynamic load rating (Ca) and applying an axial load three times greater than the pre-load.These values do not include the rigidity of the components related to mounting the ball screw nut. Therefore, it is normally appropriate to regard roughly 80% of the value in the table as the actual value.If the applied preload (Fa₀) is not 0.1 Ca, the rigidity value (K_N) is obtained from the following equation.

Model number coding

(*1) See Contamination protection accessory symbol(*2) See Accuracy of the Ball Screw

THK Online Services
Member-Exclusive Content

These contents can be accessed

after registering as a member.

Benefit 1: Useful features

Easy product comparisonsHighlight feature
Save items for laterreview Favorites feature

Benefit 2: Exclusive content

Products	Contents
LM Guide	LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc.
Ball Screw	Axial clearance, maximum manufacturing length of shaft, etc.
Actuator	Movable part mass, etc.

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Model No.	Designer*	Life Calculator*	CAD Download*	Catalog Download	Manual Download
SDAN 4510V-5
SDAN 4510VA-5
SDAN 4512V-5
SDAN 4512VA-5
SDAN 4516V-5
SDAN 4516VA-5
SDAN 4520V-5
SDAN 4520VA-5
SDAN 5010V-5
SDAN 5010VA-5
SDAN 5012V-5
SDAN 5012VA-5
SDAN 5016V-5
SDAN 5016VA-5
SDAN 5020V-5
SDAN 5020VA-5
SDAN 5025V-4
SDAN 5025VA-4
SDAN 5030V-4
SDAN 5030VA-4
SDAN 5040V-3
SDAN 5040VA-3

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