NNU 4176 M
Precision cylindrical roller bearing > Double row cylindrical roller bearing
NNU 4176 M - Precision cylindrical roller bearing - Double row cylindrical roller bearing

| Product model | NNU 4176 M |
|---|---|
| d | 380 mm |
| D | 620 mm |
| B | 243 mm |
| Limiting speed | 1100 r/min |
| Reference speed | 850 r/min |
| D1 | ≈550mm |
| Inner ring raceway diameter (F) | 442mm |
| Outer ring r1,2 | min.5mm |
| Inner ring chamfer dimension (r3,4) | min.5mm |
| Permissible axial displacement of one ring relative to the other (s) | max.7.4mm |
| Spacer shoulder diameter (da) | max.434mm |
| db | min.447mm |
| Spacer / Da | max.600mm |
| Chamfer radius (ra) | max.4mm |
| Chamfer radius (rb) | max.4mm |
| Fatigue load limit(Pu) | 680kN |
| Calculation factor (kr) | 0.33 |
| Bearing weight | 285kg |
Product Details
The NNU 4176 M is part of the Double row cylindrical roller bearing series within our Precision cylindrical roller bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.
Typical applications include: machine tool spindles, rolling mills, gearboxes and industrial pumps. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.
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NNU 4176 M / Double row cylindrical roller bearing / Precision cylindrical roller bearing