NNC 4912 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNC 4912 CV - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing
| Product model | NNC 4912 CV |
|---|---|
| d | 60 mm |
| D | 85 mm |
| B | 25 mm |
| Limiting speed | 4500 r/min |
| Reference speed | 3600 r/min |
| d1 | ≈70.5mm |
| D1 | ≈73.5mm |
| Outer ring lubrication groove width (b1) | 4.5mm |
| Lubrication hole diameter (outer ring) (K) | 3.5mm |
| Chamfer dimension, open bearing (r1,2) | min.1mm |
| Shaft shoulder diameter (da) min. | min.64.7mm |
| Shaft shoulder diameter (das) | 67.6mm |
| Housing shoulder dimension (Da) | max.80.5mm |
| Chamfer radius (ra) | max.1mm |
| Fatigue load limit(Pu) | 14.3kN |
| Calculation factor (kr) | 0.25 |
| Bearing weight | 0.49kg |
Product Details
The NNC 4912 CV 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.
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NNC 4912 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing