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

Product Overview

NSK Ball Screw Small Equipment (Conventional FA Type)W2508FA-1PGX-C5Z50

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Small Equipment (Conventional FA Type)/Ball Screw

W2508FA-1PGX-C5Z50

Lead50 mm

Product Features

NSK FA series (finished shaft ends) standard-stock precision ball screw W2508FA-1PGX-C5Z50, shaft dia. 25 mm, lead 50 mm
Accuracy grade C5 (JIS), axial play 0 (preloaded)
Preload: Oversize-ball preload (P preload)
Effective thread length approx. 800 mm class (code 08); overall length per NSK dimension tables
Standard stock (W reference number) with short lead times; custom shaft-end machining available

Quantity

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Product Specifications

Specification	Unit	W2508FA-1PGX-C5Z50
Series	-	FA series (finished shaft ends)
Shaft diameter	mm	25
Lead	mm	50
Effective thread length class	-	approx. 800 mm class (code 08) (overall length per NSK tables)
Accuracy grade	-	C5 (JIS)
Axial play	mm	0 (preloaded)
Preload	-	Oversize-ball preload (P preload)
Design serial no.	-	1 (NSK internal design number)
Additional code	-	"GX" (shown as-is; no official per-code definition)
Shaft ends	-	Finished (standard shaft-end form)

Product Description

W2508FA-1PGX-C5Z50 is an NSK FA series (finished shaft ends) standard-stock precision ball screw: 25 mm shaft diameter, 50 mm lead, accuracy grade C5 (JIS), axial play 0 (preloaded), preload: Oversize-ball preload (P preload). Effective thread length approx. 800 mm class (code 08); 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 FA series with 25 mm shaft dia. × 50 mm lead is also available as: W2511FA-5PGX-C5Z50, W2516FA-1PGX-C5Z50, W2521FA-5PGX-C5Z50.

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 FA型滾珠螺桿原廠型錄專章.pdfDownload