HM212049

OpenCNDeep Groove Ball BearingVerified match
Geometry100%
63.5 × 122.24 × 38.1mm
Sealing100%
Open (no seal)
Load rating100%
Cr 95 kN / C₀r 62 kN
Speed100%
3,000 rpm (grease)
NTN4T-HM212049/HM21201163.5 × 122.24 × 38.1mm
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$134.46
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Match Details

The specifications and details for why this match is correct.

Specifications

Bore diameter (d)63.5 mm
Outer diameter (D)122.24 mm
Width (B)38.1 mm
Dynamic load rating (C)95 kN
Static load rating (C₀)62 kN
Weight1050 g
Max speed (grease)3,000 rpm
Max speed (oil)4,500 rpm
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PDF includes specs, dimensions, and cross-references for 4T-HM212049/HM212011.

Why This Match Is Correct

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

Cross-References

Every way this part is identified across brands and catalogs.

Tier-1 Brand Equivalents

BrandPart NumberSealClearanceStatus
NTN4T-HM212049/HM212011OpenCNEquivalent
TimkenHM212049/HM212011OpenCNProbable
FAGHM212011OpenCNProbable
FAGHM212049OpenCNCurrent
FAGHM212049/HM212011OpenCNProbable
KoyoHM212011OpenCNEquivalent
KoyoHM212049OpenCNCurrent
KoyoHM212049/HM212011OpenCNEquivalent
NTNHM212011OpenCNEquivalent
NTNHM212049OpenCNCurrent
SKFHM212011OpenCNEquivalent
SKFHM212049OpenCNCurrent
SKFHM212049/HM212011OpenCNEquivalent
TimkenHM212011OpenCNProbable
TimkenHM212049OpenCNCurrent

Technical Details & Applications

Specification variations and common equipment types.

Internal Clearance

Normal Clearance (CN)

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

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.

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

Electric motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors

Alternative Parts

Options if this exact part isn't what you need.

Same Geometry, Different Configuration

SKF Part NumberSeal TypeClearance
HM212049/HM212011Open (No Seal)CN