RNFTL 2510A2.5 is an NSK R-series rolled ball screw nut (Flanged nut with protruding recirculation tube): for 25 mm shaft diameter and 10 mm lead, accuracy grade Ct10, 2.5 effective ball turns, without seal, with basic load ratings of Ca 20.5 kN (dynamic) and C0a 34.9 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 25 mm shaft dia. × 10 mm lead: RNCT 2510A5, RNCT 2510A5S, RNFBL 2510A2.5S, RNFBL 2510A5S, RNFTL 2510A2.5S, RNFTL 2510A5, RNFTL 2510A5S, RNSTL 2510A5S.
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 RS2510A - quote shaft and nut as a set; Nahshon can arrange cutting to length and shaft-end machining.