Nachi
5204 Nachi Double Row Angular Ball Bearing 20x47x20.6mm Made in Japan Open Design Precision Bearing for Radial and Bi Directional Axial Loads
UPC: 00193019085523
Type: Nachi Double Row Angular Ball Bearing
Closures: Open
Dimensions: 20mm x 47mm x 20.6mm/Metric
ID (inner diameter)/Bore: 20mm
5204 Nachi Double Row Angular Contact Ball Bearing 20mm x 47mm x 20.6mm
✔️ Single Open 2 Row Angular Bearing Made in Japan
This 5204 Nachi double row angular contact ball bearing is designed to handle combined loads in compact mechanical systems. Made in Japan, it is commonly used in gearboxes, pumps, machine tools, and industrial equipment where radial load, moment load, and axial load in both directions need to be supported in one bearing. Supplied as one bearing.
✅ Pack size: 1 bearing
✅ Bearing type: Double row angular contact ball bearing
✅ Brand: Nachi
✅ Closures: Open design
✅ Inner diameter: 20 mm
✅ Outer diameter: 47 mm
✅ Width: 20.6 mm
✅ Dynamic load rating Cr: 20000 N
✅ Static load rating Cor: 12700 N
✅ Grease lubrication speed limit: 10000 RPM
✅ Oil lubrication speed limit: 14000 RPM
✅ Load handling: Radial, moment, and bi directional axial loads
✅ Country of origin: Japan
Dimensions
Inner Diameter 20 mm
Outer Diameter 47 mm
Width 20.6 mm
💡 Why are double row angular contact ball bearings used instead of paired single row bearings?
Double row angular contact ball bearings are used when space saving and simplified mounting are important.
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Supports axial loads in both directions within a single bearing
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Handles combined radial and moment loads with stable alignment
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Compact design reduces assembly complexity compared to bearing pairs
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Common in pumps, gearboxes, and machinery with limited space
This bearing is a handy choice when you need balanced load support, compact installation, and dependable performance in industrial rotating equipment.
We have a saw arbor that is worn out and eats bearings. No longer available so I need to make time to make a new one.