NNF 5056 B-2LS
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNF 5056 B-2LS - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing
| Product model | NNF 5056 B-2LS |
|---|---|
| d | 280 mm |
| D | 420 mm |
| B | 190 mm |
| Limiting speed | 280 r/min |
| Outer ring width, sealed bearings (C) | 189mm |
| d1 | ≈333mm |
| Outer ring snap ring groove diameter (D3) | 413mm |
| Distance between two snap ring grooves on outer ring outside surface (C1) | 163.2mm |
| Distance tolerance C1 | 0.2mm |
| Outer ring face to snap ring groove distance, sealed (C2) | 12.9mm |
| Outer ring snap ring groove width (b) | 7.3mm |
| Outer ring lubrication groove width (b1) | 9.5mm |
| Lubrication hole diameter (outer ring) (K) | 6mm |
| Chamfer dimension, sealed bearings (r) | min.2mm |
| Chamfer dimension (r3,4) | min.1.1mm |
| Shaft shoulder diameter (da) min. | min.288mm |
| Shaft shoulder diameter (das) | 324mm |
| Shoulder width for SW snap ring, sealed (Ca1) | 154mm |
| Shoulder tolerance Ca (SW snap ring) | 0.2mm |
| Shoulder width for DIN 471 snap ring, sealed (Ca2) | 149mm |
| Shoulder tolerance Ca (DIN 471 snap ring) | 0.2mm |
| Chamfer radius (ra) | max.2mm |
| Fatigue load limit(Pu) | 490kN |
| Calculation factor (kr) | 0.4 |
| Bearing weight | 91kg |
Product Details
The NNF 5056 B-2LS is part of the Double row full loaded 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.
Request a Quote for this Product
NNF 5056 B-2LS / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing