NNU 4938 B/SPW33, SKF, Super-precision double row cylindrical roller bearing, with relubrication feature

Metric, Class SP (SP), Bearing, Machined metal cage, Without, Annular groove and lubrication holes, C1

Brand SKF
Mfr Part No. NNU 4938 B/SPW33
Acorn Code NNU4938B/SPW33-SKF
HS Code 8482 10 90 30
COO Austria (AT)

Online price in $ not currently available


Super-precision double row cylindrical roller bearings in the NNU series are designed to accommodate heavy radial loads and high speeds, while providing a high degree of stiffness. Having three flanges on the outer ring and no flanges on the inner ring, the bearings can accommodate axial displacement in both directions. The separable design simplifies mounting and dismounting, particularly when load conditions require both rings to have an interference fit.

• High radial load carrying capacity
• Very high rigidity and high running accuracy
• Minimize noise, vibration and heat generation
• Accommodate axial displacement in both directions
• Relubrication feature


Product Attributes
Manufacturer Product Code NNU 4938 B/SPW33
Basic Product Description Super-precision double row cylindrical roller bearing, with relubrication feature
Measurement Metric
UOM Each
id (mm) 190
od (mm) 260
Width (mm) 69
Weight (Kg) 11
Seal Without
Features Annular groove and lubrication holes
Bore Type Cylindrical
Clearance C1
Tolerance group Class SP (SP)
Precision Grade Super Precision
Bearing Material Bearing steel
Cage Material Machined metal cage
Basic dynamic load rating 402 kN
Basic static load rating 880
EAN-Code 07316577115867


Other Products