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Product Series of Automation-Related Precision Ball Screws and Linear Rails – High-Precision Ball Screws

Product Overview

NSK Ball Screw Machine Tool (SS Type)W4025SS-2D-C5Z12

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Machine Tool (SS Type)/Ball Screw

W4025SS-2D-C5Z12

Lead12 mm

Product Features

NSK Standard series SS (unfinished shaft ends) standard-stock precision ball screw W4025SS-2D-C5Z12, shaft dia. 40 mm, lead 12 mm
Accuracy grade C5 (JIS), axial play 0 (preloaded)
Preload: Double-nut preload (D preload)
Effective thread length approx. 2500 mm class (code 25); overall length per NSK dimension tables
Standard stock (W reference number) with short lead times; custom shaft-end machining available

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Product Specifications

Specification	Unit	W4025SS-2D-C5Z12
Series	-	Standard series SS (unfinished shaft ends)
Shaft diameter	mm	40
Lead	mm	12
Effective thread length class	-	approx. 2500 mm class (code 25) (overall length per NSK tables)
Accuracy grade	-	C5 (JIS)
Axial play	mm	0 (preloaded)
Preload	-	Double-nut preload (D preload)
Design serial no.	-	2 (NSK internal design number)
Shaft ends	-	Unfinished blank (machined to your drawing)

Product Description

W4025SS-2D-C5Z12 is an NSK Standard series SS (unfinished shaft ends) standard-stock precision ball screw: 40 mm shaft diameter, 12 mm lead, accuracy grade C5 (JIS), axial play 0 (preloaded), preload: Double-nut preload (D preload). Effective thread length approx. 2500 mm class (code 25); confirm the overall length with NSK dimension tables or with Nahshon. W-reference standard-stock items are standardized with comparatively short lead times.

Not sure about accuracy grades? See our guide: How to choose ball screw accuracy grades (C0–C10) (in Chinese).

Other lengths with the same specification

The SS series with 40 mm shaft dia. × 12 mm lead is also available as: W4010SS-4Z-C5Z12, W4010SS-5D-C5Z12, W4016SS-2Z-C5Z12, W4016SS-3D-C5Z12, W4025SS-1Z-C5Z12.

Customization

Shaft-end machining to your drawings is available. Add the part number (or your drawing) to the inquiry cart — Nahshon works directly with NSK to confirm specs, quotation and delivery.

Related Files

NSK SS型滾珠螺桿原廠型錄專章.pdfDownload