BC2B 316521
Precision cylindrical roller bearing > Double row cylindrical roller bearing
BC2B 316521 - Precision cylindrical roller bearing - Double row cylindrical roller bearing
| Product model | BC2B 316521 |
|---|---|
| d | 440 mm |
| D | 640 mm |
| B | 230 mm |
| Limiting speed | 1000 r/min |
| Reference speed | 850 r/min |
| D1 | ≈578mm |
| Inner ring raceway diameter (F) | 482mm |
| Annular groove width (b) | 16.7mm |
| Lubrication hole diameter (K) | 9mm |
| Outer ring r1,2 | min.6mm |
| Inner ring chamfer dimension (r3,4) | min.6mm |
| Permissible axial displacement of one ring relative to the other (s) | max.5.5mm |
| Spacer shoulder diameter (da) | max.475mm |
| db | min.487mm |
| Spacer / Da | max.614mm |
| Chamfer radius (ra) | max.5mm |
| Chamfer radius (rb) | max.5mm |
| Fatigue load limit(Pu) | 780kN |
| Calculation factor (kr) | 0.33 |
| Bearing weight | 250kg |
Product Details
The BC2B 316521 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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BC2B 316521 / Double row cylindrical roller bearing / Precision cylindrical roller bearing