55200C/55437

OpenCNVerified match
FAG55200C

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Specifications

Bore diameter (d)50.8 mm
Outer diameter (D)111.12 mm
Width (B)30.16 mm
Dynamic load rating (C)60 kN
Static load rating (C₀)38 kN
Weight560 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
FAG55200COpenCNProbable
FAG55200C/55437OpenCNCurrent
FAG55437OpenCNProbable
Koyo55200COpenCNEquivalent
Koyo55200C/55437OpenCNCurrent
Koyo55437OpenCNEquivalent
NTN4T-55200C/55437OpenCNEquivalent
NTN55200COpenCNEquivalent
NTN55437OpenCNEquivalent
SKF55200COpenCNEquivalent
SKF55200C/55437OpenCNCurrent
SKF55437OpenCNEquivalent
Timken55200COpenCNProbable
Timken55200C/55437OpenCNCurrent
Timken55437OpenCNProbable

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

Where This Bearing Is Used

Large (50.8mm bore) — Typical Uses

  • Large electric motors (50+ HP)
  • Industrial gearboxes
  • Heavy-duty conveyor systems
  • Mining and construction equipment
  • Paper mill machinery
  • Steel rolling mills
  • Large compressors
  • Wind turbine components