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

Product Overview

NSK Ball Screw Stainless Steel (KA Type)W1202KA-3P-C3Z5

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Stainless Steel (KA Type)/Ball Screw

W1202KA-3P-C3Z5

Lead5 mm

Product Features

NSK KA miniature series (finished shaft ends) standard-stock precision ball screw W1202KA-3P-C3Z5, shaft dia. 12 mm, lead 5 mm
Accuracy grade C3 (JIS), axial play 0 (preloaded)
Basic load ratings: dynamic Ca 3.59 kN / static C0a 4.63 kN
Effective thread length approx. 200 mm class (code 02); 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	W1202KA-3P-C3Z5
Series	-	KA miniature series (finished shaft ends)
Shaft diameter	mm	12
Lead	mm	5
Effective thread length class	-	approx. 200 mm class (code 02) (overall length per NSK tables)
Accuracy grade	-	C3 (JIS)
Axial play	mm	0 (preloaded)
Preload	-	Oversize-ball preload (P preload)
Basic dynamic load rating Ca	kN	3.59
Basic static load rating C0a	kN	4.63
Design serial no.	-	3 (NSK internal design number)
Shaft ends	-	Finished (standard shaft-end form)

Product Description

W1202KA-3P-C3Z5 is an NSK KA miniature series (finished shaft ends) standard-stock precision ball screw: 12 mm shaft diameter, 5 mm lead, accuracy grade C3 (JIS), axial play 0 (preloaded), preload: Oversize-ball preload (P preload), with basic load ratings of Ca 3.59 kN (dynamic) and C0a 4.63 kN (static). Effective thread length approx. 200 mm class (code 02); 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 KA series with 12 mm shaft dia. × 5 mm lead is also available as: W1205KA-1P-C3Z5.

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 KA型不鏽鋼滾珠螺桿原廠型錄專章.pdfDownload