NP-51
Sealing100%
Open (no seal)
Load rating100%
Cr 52 kN / C₀r 31 kN
Speed100%
1,800 rpm (grease)
SKFUCP 2120
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$215.23
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 60 mm |
| Outer diameter (D) | 0 mm |
| Width (B) | 190 mm |
| Dynamic load rating (C) | 52 kN |
| Static load rating (C₀) | 31 kN |
| Weight | 5250 g |
| Max speed (grease) | 1,800 rpm |
| Max speed (oil) | — |
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Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
Legacy & Proprietary Numbers
PEERFHSP212-16Inferred — Generated from Fafnir-pattern decoder · last checked 4 weeks ago · dimensional matchSealmasterNP-51Medium confidence — Rexnord Catalog · last checked 4 weeks ago · dimensional matchPEERPEER-UCP212Inferred — Generated from Fafnir-pattern decoder · last checked 4 weeks ago · dimensional match
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
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