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NJ 228 ECJ
Additional Details
Single row cylindrical roller bearings are designed to handle high radial loads combined with high speeds, featuring integrated flanges on two sides of the outer ring and one side of the inner ring. NJ bearings can accommodate axial movement in one direction. A key feature is their separable design, which simplifies installation and allows for easy replacement of bearing components.
NJ 228 ECJ
Cylindrical roller bearings
Technical Specifications
| Series description | Cylindrical roller, NJ (1 flange on inner ring) |
|---|---|
| ID d (mm) | 140 |
| OD D (mm) | 250 |
| Width B/T/H (mm) | 42 |
| Dim. | B |
| Bore | รูตรง (Cylindrical bore) |
| Sealing | เปิด (ไม่มีซีล/ฝาปิด) |
| Cage | |
| Clearance | ปกติ |
| Special features | |
| SKF Explorer | ★ Explorer |
| C dynamic (kN) | 450 |
| C0 static (kN) | 510 |
| Pu fatigue (kN) | 57 |
| Ref. speed (r/min) | 2800 |
| Limiting speed (r/min) | 3200 |
| Mass (kg) | 8.6 |
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