PLSA 75 x 20R ZEM-E-S / R157C 870 03

Name: PLSA 75 x 20R ZEM-E-S / R157C 870 03
SKU: R157C 870 03

Model / article: R157C 870 03

PLSA 75 x 20R ZEM-E-S / R157C 870 03 is listed by Bosch Rexroth AG in Planetary roller screws. Published model data includes Dynamic axial load capacity Ca: 544 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.

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PLSA planetary screw family image (48 x 20 reference; not this exact configuration)

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: 2026-09-19. Observation dates record evidence collection, not supplier re-verification.

Specifications and source evidence for PLSA 75 x 20R ZEM-E-S / R157C 870 03
Specification	Published value	Conditions and source
Maximum linear speedModel-level statement	40.0 m/minRating: maximum	rule validated Operating conditions component scope exact catalog nut configuration; a complete PLSA additionally requires a configured screw, screw-end forms and overall length lead direction right-hand (R) operating limit note vmax is catalog characteristic maximum linear speed; verify critical speed, buckling, duty cycle, lubrication and the configured screw length before selection rating basis R999001185 p.204: load ratings apply to tolerance grade T5; use catalog correction factor for other grades Source evidence PLSA 75 x 20R ZEM-E-S / R157C 870 03 \| Characteristic maximum linear speed vmax: 40.0 m/min R999001185/2025-11 p.204 / PLSA 75 x 20R ZEM-E-S / R157C 870 03 / Characteristic maximum linear speed vmax Source observed: 2026-09-19View source
Dynamic axial load capacity CaModel-level statement	544 kNRating: rated	rule validated Operating conditions component scope exact catalog nut configuration; a complete PLSA additionally requires a configured screw, screw-end forms and overall length lead direction right-hand (R) operating limit note vmax is catalog characteristic maximum linear speed; verify critical speed, buckling, duty cycle, lubrication and the configured screw length before selection rating basis R999001185 p.204: load ratings apply to tolerance grade T5; use catalog correction factor for other grades Source evidence PLSA 75 x 20R ZEM-E-S / R157C 870 03 \| Dynamic load rating C: 544 kN R999001185/2025-11 p.204 / PLSA 75 x 20R ZEM-E-S / R157C 870 03 / Dynamic load rating C Source observed: 2026-09-19View source
Lead (travel per revolution)Model-level statement	20 mm/rev	rule validated Operating conditions component scope exact catalog nut configuration; a complete PLSA additionally requires a configured screw, screw-end forms and overall length lead direction right-hand (R) operating limit note vmax is catalog characteristic maximum linear speed; verify critical speed, buckling, duty cycle, lubrication and the configured screw length before selection rating basis R999001185 p.204: load ratings apply to tolerance grade T5; use catalog correction factor for other grades Source evidence PLSA 75 x 20R ZEM-E-S / R157C 870 03 \| Lead P (travel per revolution): 20 mm/rev R999001185/2025-11 p.204 / PLSA 75 x 20R ZEM-E-S / R157C 870 03 / Lead P (travel per revolution) Source observed: 2026-09-19View source
Screw reference diameter DModel-level statement	75 mm	rule validated Operating conditions component scope exact catalog nut configuration; a complete PLSA additionally requires a configured screw, screw-end forms and overall length lead direction right-hand (R) operating limit note vmax is catalog characteristic maximum linear speed; verify critical speed, buckling, duty cycle, lubrication and the configured screw length before selection rating basis R999001185 p.204: load ratings apply to tolerance grade T5; use catalog correction factor for other grades Source evidence PLSA 75 x 20R ZEM-E-S / R157C 870 03 \| Nominal diameter d0: 75 mm R999001185/2025-11 p.204 / PLSA 75 x 20R ZEM-E-S / R157C 870 03 / Nominal diameter d0 Source observed: 2026-09-19View source
Static axial load capacity C0aModel-level statement	1496 kNRating: rated	rule validated Operating conditions component scope exact catalog nut configuration; a complete PLSA additionally requires a configured screw, screw-end forms and overall length lead direction right-hand (R) operating limit note vmax is catalog characteristic maximum linear speed; verify critical speed, buckling, duty cycle, lubrication and the configured screw length before selection rating basis R999001185 p.204: load ratings apply to tolerance grade T5; use catalog correction factor for other grades Source evidence PLSA 75 x 20R ZEM-E-S / R157C 870 03 \| Static load rating C0: 1496 kN R999001185/2025-11 p.204 / PLSA 75 x 20R ZEM-E-S / R157C 870 03 / Static load rating C0 Source observed: 2026-09-19View source

Technical documents and resources

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