R系列
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Quick Inquiry
RNFBL 3610A2.5S is an NSK R-series rolled ball screw nut (Round flanged nut with recirculation tube): for 36 mm shaft diameter and 10 mm lead, accuracy grade Ct10, 2.5 effective ball turns, with seal (s), with basic load ratings of Ca 24.7 kN (dynamic) and C0a 50.8 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 36 mm shaft dia. × 10 mm lead: RNCT 3610A5, RNCT 3610A5S, RNFBL 3610A5S, RNFTL 3610A2.5, RNFTL 3610A2.5S, RNFTL 3610A5, RNFTL 3610A5S, RNSTL 3610A2.5S and more — 9 models in total.
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 RS3610A - quote shaft and nut as a set; Nahshon can arrange cutting to length and shaft-end machining.
| Specification | Unit | RNFBL 3610A2.5S |
|---|---|---|
| Series | - | R-series rolled ball screw nut / Round flanged nut with recirculation tube |
| Shaft diameter | mm | 36 |
| Lead | mm | 10 |
| Accuracy grade | - | Ct10 (R-series standard) |
| Effective ball turns | - | 2.5 |
| Seal | - | With seal (S) |
| Basic dynamic load rating Ca | kN | 24.7 |
| Basic static load rating C0a | kN | 50.8 |
| Internal design code | - | A (NSK internal design code) |
| Mating screw shaft | - | RS-series rolled screw shaft (sold separately) |
Transfer Equipment (R Type)・R-series rolled ball screw nut / Round flanged nut with recirculation tube
