SS系列
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Quick Inquiry
W2812SS-1P-C5Z5 is an NSK Standard series SS (unfinished shaft ends) standard-stock precision ball screw: 28 mm shaft diameter, 5 mm lead, accuracy grade C5 (JIS), axial play 0 (preloaded), preload: Oversize-ball preload (P preload), with basic load ratings of Ca 13 kN (dynamic) and C0a 24.4 kN (static). Effective thread length approx. 1200 mm class (code 12); confirm the overall length with NSK dimension tables or with Nahshon. W-reference standard-stock items are standardized with comparatively short lead times.
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 SS series with 28 mm shaft dia. × 5 mm lead is also available as: W2804SS-1P-C5Z5, W2804SS-2Z-C5Z5, W2806SS-1P-C5Z5, W2806SS-2Z-C5Z5, W2808SS-1P-C5Z5, W2808SS-2Z-C5Z5, W2812SS-2Z-C5Z5.
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.
| Specification | Unit | W2812SS-1P-C5Z5 |
|---|---|---|
| Series | - | Standard series SS (unfinished shaft ends) |
| Shaft diameter | mm | 28 |
| Lead | mm | 5 |
| Effective thread length class | - | approx. 1200 mm class (code 12) (overall length per NSK tables) |
| Accuracy grade | - | C5 (JIS) |
| Axial play | mm | 0 (preloaded) |
| Preload | - | Oversize-ball preload (P preload) |
| Basic dynamic load rating Ca | kN | 13 |
| Basic static load rating C0a | kN | 24.4 |
| Design serial no. | - | 1 (NSK internal design number) |
| Shaft ends | - | Unfinished blank (machined to your drawing) |
Machine Tool (SS Type)・Standard series SS (unfinished shaft ends)
