47490/47420

OpenCNVerified match
FAG47420

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Specifications

Bore diameter (d)71.44 mm
Outer diameter (D)120 mm
Width (B)32.54 mm
Dynamic load rating (C)72 kN
Static load rating (C₀)48 kN
Weight680 g
Max speed (grease)3,000 rpm
Max speed (oil)4,500 rpm

Why This Match Is Correct

✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible

Equivalents Across Brands

BrandPart NumberSealClearanceStatus
FAG47420OpenCNProbable
FAG47490OpenCNProbable
FAG47490/47420OpenCNCurrent
Koyo47420OpenCNEquivalent
Koyo47490OpenCNEquivalent
Koyo47490/47420OpenCNCurrent
NTN47420OpenCNEquivalent
NTN47490OpenCNEquivalent
NTN4T-47490/47420OpenCNEquivalent
SKF47420OpenCNEquivalent
SKF47490OpenCNEquivalent
SKF47490/47420OpenCNCurrent
Timken47420OpenCNProbable
Timken47490OpenCNProbable
Timken47490/47420OpenCNCurrent

Seal Type

Open (No Seal)

No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.

Best forClean environments with external lubrication systems. High-speed applications where heat dissipation matters.
Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.
Examples
  • Machine tool spindles
  • Gearboxes with oil bath lubrication
  • High-speed precision equipment

Internal Clearance

Normal Clearance (CN)

Standard radial internal clearance. Suitable for most applications under normal operating conditions.

Best forGeneral-purpose use. Normal temperatures, standard fits, moderate speeds.
TemperatureUp to ~70°C operating temperature