NNU 4156 M/W33
Precision cylindrical roller bearing > Double row cylindrical roller bearing
NNU 4156 M/W33 - Precision cylindrical roller bearing - Double row cylindrical roller bearing
| Product model | NNU 4156 M/W33 |
|---|---|
| d | 280 mm |
| D | 460 mm |
| B | 180 mm |
| Limiting speed | 1500 r/min |
| Reference speed | 1200 r/min |
| D1 | ≈407mm |
| Inner ring raceway diameter (F) | 326mm |
| Annular groove width (b) | 13.9mm |
| Lubrication hole diameter (K) | 7.5mm |
| 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.6.3mm |
| Spacer shoulder diameter (da) | max.318mm |
| db | min.330mm |
| Spacer / Da | max.440mm |
| Chamfer radius (ra) | max.4mm |
| Chamfer radius (rb) | max.4mm |
| Fatigue load limit(Pu) | 440kN |
| Calculation factor (kr) | 0.34 |
| Bearing weight | 120kg |
Product Details
The NNU 4156 M/W33 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 4156 M/W33 / Double row cylindrical roller bearing / Precision cylindrical roller bearing