BSS系列
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| Specification | Unit | PSS1220N1D0471 |
|---|---|---|
| Series | - | Compact FA / PSS type (standard environment) |
| Shaft diameter | mm | 12 |
| Lead | mm | 20 |
| Overall length | mm | 471 |
| Accuracy grade | - | JIS C5 (PSS standard) |
| Axial play | mm | 0 (oversize ball preload) |
| Basic dynamic load rating Ca | kN | 2.33 |
| Basic static load rating C0a | kN | 3.6 |
| Shaft-end machining | - | Custom to drawings |
PSS1220N1D0471 is an NSK Compact FA series PSS-type (standard environment) precision ball screw: 12 mm shaft diameter, 20 mm lead, 471 mm overall length, accuracy grade C5, axial play 0 (oversize-ball preload), with basic load ratings of Ca 2.33 kN (dynamic) and C0a 3.6 kN (static). The PSS type is NSK's standard-stock series — standardized specs with comparatively short lead times. The dimensional drawing PDF is available below.
Not sure about accuracy grades? See our guide: How to choose ball screw accuracy grades (C0–C10) (in Chinese).
Other lengths with the same specification
The Compact FA PSS type with 12 mm shaft dia. × 20 mm lead is also available in these lengths: PSS1220N1D0271, PSS1220N1D0371, PSS1220N1D0571, PSS1220N1D0671.
Customization
Shaft-end machining to your drawings is available. Add the part number (or your drawing) to the inquiry cart — Nahshon works directly with NSK to confirm specs, quotation and delivery.
