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Product Series of Automation-Related Precision Ball Screws and Linear Rails – High-Precision Ball Screws
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Product image_1
Transfer Equipment (R Type)/Ball Screw

RNFTL 2010A2.5S

R系列

  • Lead10 mm

Product Features

  • NSK R-series rolled ball screw nut RNFTL 2010A2.5S (Flanged nut with protruding recirculation tube), for 20 mm shaft dia. × 10 mm lead
  • Accuracy grade Ct10 (R-series standard), 2.5 effective ball turns, with seal (s)
  • Basic load ratings: dynamic Ca 12.7 kN / static C0a 21.6 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

Product Specifications
SpecificationUnitRNFTL 2010A2.5S
Series-R-series rolled ball screw nut / Flanged nut with protruding recirculation tube
Shaft diametermm20
Leadmm10
Accuracy grade-Ct10 (R-series standard)
Effective ball turns-2.5
Seal-With seal (S)
Basic dynamic load rating CakN12.7
Basic static load rating C0akN21.6
Internal design code-A (NSK internal design code)
Mating screw shaft-RS-series rolled screw shaft (sold separately)
Product Description

RNFTL 2010A2.5S is an NSK R-series rolled ball screw nut (Flanged nut with protruding recirculation tube): for 20 mm shaft diameter and 10 mm lead, accuracy grade Ct10, 2.5 effective ball turns, with seal (s), with basic load ratings of Ca 12.7 kN (dynamic) and C0a 21.6 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 20 mm shaft dia. × 10 mm lead: RNFBL 2010A2.5S, RNFTL 2010A2.5, RNSTL 2010A2.5S.

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 RS2010A - quote shaft and nut as a set; Nahshon can arrange cutting to length and shaft-end machining.

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