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PNA 25/47
Additional Details
Needle bearings are self-aligning and compact bearings, ideal for use in confined spaces. Due to their large number of rollers, they can handle high loads. The internal design, consisting of a convex outer ring sandwiched between two concave support rings enclosed in a molded sleeve, allows the bearing to compensate for initial misalignment.
PNA 25/47
Needle roller bearings
Technical Specifications
| Series description | Alignment needle roller bearing |
|---|---|
| ID d (mm) | 25 |
| OD D (mm) | 47 |
| Width B/T/H (mm) | 20 |
| Dim. | B |
| Bore | รูตรง (Cylindrical bore) |
| Sealing | เปิด (ไม่มีซีล/ฝาปิด) |
| Cage | |
| Clearance | ปกติ |
| Special features | |
| SKF Explorer | |
| C dynamic (kN) | 22.9 |
| C0 static (kN) | 38 |
| Pu fatigue (kN) | 4.8 |
| Ref. speed (r/min) | 13000 |
| Limiting speed (r/min) | 15000 |
| Mass (kg) | 0.16 |
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