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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)W3221FA-1P-C5Z25

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Small Equipment (Conventional FA Type)/Ball Screw

W3221FA-1P-C5Z25

Lead25 mm

Product Features

NSK FA series (finished shaft ends) standard-stock precision ball screw W3221FA-1P-C5Z25, shaft dia. 32 mm, lead 25 mm
Accuracy grade C5 (JIS), axial play 0 (preloaded)
Basic load ratings: dynamic Ca 12.9 kN / static C0a 21.1 kN
Effective thread length approx. 2100 mm class (code 21); 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	W3221FA-1P-C5Z25
Series	-	FA series (finished shaft ends)
Shaft diameter	mm	32
Lead	mm	25
Effective thread length class	-	approx. 2100 mm class (code 21) (overall length per NSK tables)
Accuracy grade	-	C5 (JIS)
Axial play	mm	0 (preloaded)
Preload	-	Oversize-ball preload (P preload)
Basic dynamic load rating Ca	kN	12.9
Basic static load rating C0a	kN	21.1
Design serial no.	-	1 (NSK internal design number)
Shaft ends	-	Finished (standard shaft-end form)

Product Description

W3221FA-1P-C5Z25 is an NSK FA series (finished shaft ends) standard-stock precision ball screw: 32 mm shaft diameter, 25 mm lead, accuracy grade C5 (JIS), axial play 0 (preloaded), preload: Oversize-ball preload (P preload), with basic load ratings of Ca 12.9 kN (dynamic) and C0a 21.1 kN (static). Effective thread length approx. 2100 mm class (code 21); 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 32 mm shaft dia. × 25 mm lead is also available as: W3211FA-1P-C5Z25, W3216FA-1P-C5Z25, W3227FA-1P-C5Z25.

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