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

NSK Ball Screw Transfer Equipment (R Type)RNFTL 1006A2.5S

Product Overview

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Transfer Equipment (R Type)/Ball Screw

RNFTL 1006A2.5S

R系列

NSK Distributor Taiwan

Lead6 mm

Product Features

NSK R-series rolled ball screw nut RNFTL 1006A2.5S (Flanged nut with protruding recirculation tube), for 10 mm shaft dia. × 6 mm lead
Accuracy grade Ct10 (R-series standard), 2.5 effective ball turns, with seal (s)
Basic load ratings: dynamic Ca 3.28 kN / static C0a 4.73 kN
Nut only (screw shaft not included); used with RS-series rolled screw shafts
Shaft-end machining to drawings available for the mating shaft

Quantity

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Product Description

RNFTL 1006A2.5S is an NSK R-series rolled ball screw nut (Flanged nut with protruding recirculation tube): for 10 mm shaft diameter and 6 mm lead, accuracy grade Ct10, 2.5 effective ball turns, with seal (s), with basic load ratings of Ca 3.28 kN (dynamic) and C0a 4.73 kN (static). This is a nut-only item (screw shaft not included), used with NSK RS-series rolled screw shafts for economical transfer drives.

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

Other nut models for the same shaft dia. × lead

Other nut models for 10 mm shaft dia. × 6 mm lead: RNFBL 1006A2.5S.

Customization

This is a nut-only item, used with the matching RS-series rolled screw shaft; shaft ends can be machined to your drawings. Add the part number (or your drawing) to the inquiry cart — Nahshon works directly with NSK to confirm specs, quotation and delivery.

Matching Shaft

This nut matches shaft RS1006A - quote shaft and nut as a set; Nahshon can arrange cutting to length and shaft-end machining.

Product Specifications

Specification	Unit	RNFTL 1006A2.5S
Series	-	R-series rolled ball screw nut / Flanged nut with protruding recirculation tube
Shaft diameter	mm	10
Lead	mm	6
Accuracy grade	-	Ct10 (R-series standard)
Effective ball turns	-	2.5
Seal	-	With seal (S)
Basic dynamic load rating Ca	kN	3.28
Basic static load rating C0a	kN	4.73
Internal design code	-	A (NSK internal design code)
Mating screw shaft	-	RS-series rolled screw shaft (sold separately)

FAQ

How do I choose between precision grades C3, C5 and C7?

For measurement and machining equipment that need high positioning accuracy, choose the ground-finish C3/C5 grades; for general material handling and automation mechanisms, the rolled-finish C7 grade is sufficient and offers a cost and lead-time advantage.

Can the shaft ends be custom-machined?

Yes. Nahshon offers custom shaft-end machining for NSK ball screws, completing shaft-end turning and heat treatment to your drawings, saving you the in-house machining step.

How do I confirm pricing and lead time for RNFTL 1006A2.5S?

Nahshon is the NSK distributor in Taiwan. Add RNFTL 1006A2.5S to your inquiry list along with your stroke, load and operating conditions, and we'll confirm the specification, quote and lead time.

Series Models

Transfer Equipment (R Type)・R-series rolled ball screw nut / Flanged nut with protruding recirculation tube

RNFCL 4040A6S RNFCL 4080A3 RNFCL 4080A3S RNFCL 4080A6 RNFCL 4080A6S RNFCL 5050A3 RNFCL 5050A3S RNFCL 5050A6 RNFCL 5050A6S RNFTL 1003A3.5RNFTL 1006A2.5S（This page）RNFTL 1208A2.5S

View All Transfer Equipment (R Type) Models →