497

OpenCNVerified match
Timken497/49385.72 × 136.53 × 30.16mm
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$109.11
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Specifications

Bore diameter (d)85.72 mm
Outer diameter (D)136.53 mm
Width (B)30.16 mm
Dynamic load rating (C)72 kN
Static load rating (C₀)48 kN
Weight650 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
Timken497/493OpenCNProbable
Koyo497/493OpenCNEquivalent
FAG493OpenCNProbable
FAG497OpenCNCurrent
FAG497/493OpenCNProbable
Koyo493OpenCNEquivalent
Koyo497OpenCNCurrent
NTN493OpenCNEquivalent
NTN497OpenCNCurrent
NTN4T-497/493OpenCNEquivalent
SKF493OpenCNEquivalent
SKF497OpenCNCurrent
SKF497/493OpenCNEquivalent
Timken493OpenCNProbable
Timken497OpenCNCurrent

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

Other Variants Available

Same bearing geometry — different seal and clearance configurations.

SKF Part NumberSeal TypeClearance
497/493Open (No Seal)CN