30205J2

OpenCNTapered Roller BearingTapered Roller — Light, Narrow

Light series metric tapered roller bearings with narrow width. The most common tapered roller series for general-purpose applications. Handles combined radial and axial loads with high rigidity.

NSKHR30205J25 × 52 × 16.25mm
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$16.30
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Specifications

Bore diameter (d)25 mm
Outer diameter (D)52 mm
Width (B)16.25 mm
Dynamic load rating (C)17.8 kN
Static load rating (C₀)10.1 kN
Weight100 g
Max speed (grease)9,000 rpm
Max speed (oil)12,000 rpm

Equivalents Across Brands

BrandPart NumberSealClearanceStatus
NSKHR30205JOpenCNProbable
Timken30205OpenCNProbable
NTN4T-30205OpenCNProbable
SKF30205 J2/QOpenCNProbable
FAG30205-XLOpenCNProbable

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

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

Where This Bearing Is Used

Automotive wheel hubsGearboxes and transmissionsMachine tool spindlesAgricultural equipmentDifferential assembliesConveyor rollersPumps and compressorsGeneral-purpose electric motors (1-10 HP)Automotive alternators and A/C compressorsAgricultural machineryWashing machinesIndustrial fansPrinting presses
AutomotivePower transmissionAgricultureHeavy industry

Other Variants Available

Same bearing geometry — different seal and clearance configurations.

SKF Part NumberSeal TypeClearance
30205 J2/QOpen (No Seal)CN
30205 J2/Q C3Open (No Seal)C3