PLSA 48 x 20R ZEM-E-S / R157C 670 03
Model / article: R157C 670 03
PLSA 48 x 20R ZEM-E-S / R157C 670 03 is listed by Bosch Rexroth AG in Planetary roller screws. Published model data includes Dynamic axial load capacity Ca: 253 kN (rated); Lead (travel per revolution): 20 mm/rev. See the specification table for operating conditions and source evidence.
Exact Bosch Rexroth catalog nut configurations. PLSA is a planetary screw assembly using threaded planets; these records preserve the catalog’s load-rating grade and configuration dependencies.

Product overview
- Manufacturer / supplier
- Bosch Rexroth AG
- Series
- PLSA planetary roller screw nuts — ZEM-E-S
- Component type
- Planetary roller screws
- Source
- Open published source
Published pricing
No verified public price indexed for this model. Contact PartMeld for a supplier inquiry.
Published specifications
Values are shown as published. Conditions, rating basis and source evidence apply to each value.
Latest source observation: . Observation dates record evidence collection, not supplier re-verification.
| Specification | Published value | Conditions and source |
|---|---|---|
| Maximum linear speedModel-level statement | 62.5 m/minRating: maximum | rule validated Operating conditions
Source evidencePLSA 48 x 20R ZEM-E-S / R157C 670 03 | Characteristic maximum linear speed vmax: 62.5 m/min R999001185/2025-11 p.204 / PLSA 48 x 20R ZEM-E-S / R157C 670 03 / Characteristic maximum linear speed vmax |
| Dynamic axial load capacity CaModel-level statement | 253 kNRating: rated | rule validated Operating conditions
Source evidencePLSA 48 x 20R ZEM-E-S / R157C 670 03 | Dynamic load rating C: 253 kN R999001185/2025-11 p.204 / PLSA 48 x 20R ZEM-E-S / R157C 670 03 / Dynamic load rating C |
| Lead (travel per revolution)Model-level statement | 20 mm/rev | rule validated Operating conditions
Source evidencePLSA 48 x 20R ZEM-E-S / R157C 670 03 | Lead P (travel per revolution): 20 mm/rev R999001185/2025-11 p.204 / PLSA 48 x 20R ZEM-E-S / R157C 670 03 / Lead P (travel per revolution) |
| Screw reference diameter DModel-level statement | 48 mm | rule validated Operating conditions
Source evidencePLSA 48 x 20R ZEM-E-S / R157C 670 03 | Nominal diameter d0: 48 mm R999001185/2025-11 p.204 / PLSA 48 x 20R ZEM-E-S / R157C 670 03 / Nominal diameter d0 |
| Static axial load capacity C0aModel-level statement | 462 kNRating: rated | rule validated Operating conditions
Source evidencePLSA 48 x 20R ZEM-E-S / R157C 670 03 | Static load rating C0: 462 kN R999001185/2025-11 p.204 / PLSA 48 x 20R ZEM-E-S / R157C 670 03 / Static load rating C0 |
Technical documents and resources
Confirm the exact configuration, price, availability and operating conditions with the supplier before ordering.