NNCF 4938 CV
Precision cylindrical roller bearing > Double row full loaded cylindrical roller bearing
NNCF 4938 CV - Precision cylindrical roller bearing - Double row full loaded cylindrical roller bearing
| Product model | NNCF 4938 CV |
|---|---|
| d | 190 mm |
| D | 260 mm |
| B | 69 mm |
| Limiting speed | 1400 r/min |
| Reference speed | 1100 r/min |
| d1 | ≈216mm |
| D1 | ≈233mm |
| Outer ring lubrication groove width (b1) | 7mm |
| Lubrication hole diameter (outer ring) (K) | 4mm |
| Permissible axial displacement of one ring relative to the other (s) | max.4mm |
| Chamfer dimension, open bearing (r1,2) | min.2mm |
| Chamfer dimension (r3,4) | min.2mm |
| Shaft shoulder diameter (da) min. | min.201mm |
| Shaft shoulder diameter (das) | 208mm |
| Housing shoulder dimension (Da) | max.250mm |
| Chamfer radius (ra) | max.2mm |
| Chamfer radius (rb) | max.2mm |
| Fatigue load limit(Pu) | 132kN |
| Calculation factor (kr) | 0.25 |
| Bearing weight | 11.1kg |
Product Details
The NNCF 4938 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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NNCF 4938 CV / Double row full loaded cylindrical roller bearing / Precision cylindrical roller bearing