15123/15245

OpenCNVerified match
FAG15123

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Specifications

Bore diameter (d)31.75 mm
Outer diameter (D)62 mm
Width (B)19.05 mm
Dynamic load rating (C)24 kN
Static load rating (C₀)13.5 kN
Weight145 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
FAG15123OpenCNProbable
FAG15123/15245OpenCNCurrent
FAG15245OpenCNProbable
Koyo15123OpenCNEquivalent
Koyo15123/15245OpenCNCurrent
Koyo15245OpenCNEquivalent
NTN15123OpenCNEquivalent
NTN15245OpenCNEquivalent
NTN4T-15123/15245OpenCNEquivalent
SKF15123OpenCNEquivalent
SKF15123/15245OpenCNCurrent
SKF15245OpenCNEquivalent
Timken15123OpenCNProbable
Timken15123/15245OpenCNCurrent
Timken15245OpenCNProbable

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