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NSK double row angular contact bearings contain two rows within one bearing reference. This differs from two individual bearings arranged together: component count, faces and axial space are described differently. The catalog separates this line from general angular contact and deep groove ball bearings. Identification starts with marking and housing geometry, without treating visual similarity as construction equivalence.
See all NSK bearings references →NSK guide →Double-row angular contact ball bearings from all brands →NSK needle roller bearings →NSK tapered roller bearings →
5200, 5203AZZ and 5203ADDU show a numeric base without an ending and two variants sharing 5203A before their final groups. Preserve ZZ and DDU completely. This comparison locates designation differences without publishing suffix interpretations awaiting approval. Check the specific product record and retain intermediate characters as well as the series number.
In a pump assembly or compact transmission, the two rows may form a support at one housing position. Record occupied width, lateral shoulders and ring retention. These details distinguish a double row reference from separate bearings with spacers. Load arrangement and shaft orientation belong to the application; the number of visible rows in a dismantled photograph cannot establish them alone.
Send MR Accesorios Industriales the full code, quantity, bore, outside diameter and width. Add photographs of both faces and a seat sketch showing adjacent spacers or parts. Include machine requirements for fit or execution. If the marking is incomplete, indicate which characters are certain. Reconstructing an ending from external appearance can confuse distinct variants within this line.
That requires checking arrangement and dimensions.
No, these groups distinguish references.
Yes, replacement must respect the required axial space.
Can't find the exact model? Write to us with the part number or model you're looking for: we'll find it and quote it, even if it's not listed in the catalog.
The double row angular contact ball bearing is a component designed to withstand combined radial and axial loads in both directions. Its two-row ball construction allows it to absorb tilting moments, which is why it is used in applications where rigidity and precision are important. MR Accesorios Industriales sells the NSK line for industrial equipment in Buenos Aires, Argentina.
NSK AZZ series double row angular contact ball bearings are components designed to support combined radial and axial loads in both directions. Their two-row ball construction allows greater load capacity than a single row bearing in the same space. They are used in applications requiring rigidity and precision, such as machine tools, pumps and industrial equipment. MR Accesorios Industriales sells this line in Buenos Aires, Argentina.
The double row angular contact ball bearing is a component designed to support combined radial and axial loads in both directions. Its two-row ball construction allows higher load capacity than a single row bearing in the same space. It is used in applications requiring rigidity and precision, such as machine tools, pumps and gearboxes. MR Accesorios Industriales sells the NSK ADDU series.
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