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MKP25B-005M — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MKP25B-005M: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.4345 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, outer_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-499-4590, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MKP25B-005M
NSN: 3110-01-499-4590
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 40920 — MPB CORP DIV TIMKEN SUPER PRECISION (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_diameter0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
alignment_typeSELF-ALIGNING
load_directionRADIAL
inner_ring_width0.4345 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
surface_treatmentCADMIUM OVERALL
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
end_item_identificationHELICOPTER, LAMPS MARK III, SH-60B
self-alignment_locationINTERNAL
NSN3110-01-499-4590
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MKP25B-005M · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 3
38950-00908-103Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3110PL1999428Reference document
Same NSN cross-reference
Reference document — Informative reference only
38950-00908Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MKP25B-005M?
MKP25B-005M is a BEARING,BALL,AIRFRAME.
What parts can replace MKP25B-005M?
There are 3 known substitutes for MKP25B-005M: 38950-00908-103, 3110PL1999428, 38950-00908. Substitute compatibility should be verified for your specific system.
What is the NSN for MKP25B-005M?
MKP25B-005M is cataloged in the U.S. Government catalog under NSN 3110-01-499-4590. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.