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Technical Data Sheet
PartsTable / COMPONENT / BE59-25
BE59-25 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN, alignment_type: RIGID, surface_finish: GROUND, inner_ring_width: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN, outer_ring_width: 0.5000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-157-0619, 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
BE59-25
NSN: 3110-00-157-0619
FSC: 3110
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
alignment_typeRIGID
surface_finishGROUND
inner_ring_width0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
outer_ring_width0.5000 INCHES NOMINAL IN
special_featuresOIL HOLE AND GROOVE IN INNER RING; PLATING ON EXPOSED SURFACES AS MOUNTED
style_designatorAIRFRAME, HARDENED AND GROUND, NON-SEPARABLE
features_providedLUBRICATION HOLE AND LUBRICATION GROOVE
surface_treatmentCADMIUM INNER RING
lubrication_materialGREASE
overall_outside_diameter1.3740 INCHES MINIMUM AND 1.3750 INCHES MAXIMUM IN
NSN3110-00-157-0619
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BE59-25 · 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
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
INNER RING WIDTH: 0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
•
OUTER RING WIDTH: 0.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURESOIL HOLE AND GROOVE IN INNER RING; PLATING ON EXPOSED SURFACES AS MOUNTED
LUBRICATION MATERIALGREASE
INNER RING WIDTH0.6200 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN
OUTER RING WIDTH0.5000 INCHES NOMINAL IN
SPECIAL FEATURESOIL HOLE AND GROOVE IN INNER RING; PLATING ON EXPOSED SURFACES AS MOUNTED
RETAINER FABRICATION METHODPRESSED
FEATURES PROVIDEDLUBRICATION HOLE AND LUBRICATION GROOVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
2558Interchangeable
interchangeable cross-reference
interchangeable
SPECIALC0VERF0R8Interchangeable
interchangeable cross-reference
interchangeable
4S94793-101AInterchangeable
interchangeable cross-reference
interchangeable
MMM2558Interchangeable
interchangeable cross-reference
interchangeable
R2558Interchangeable
interchangeable cross-reference
interchangeable
SM-B-619160Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BE59-25?
BE59-25 is a BEARING,ROLLER,NEEDLE.
What parts can replace BE59-25?
There are 22 known substitutes for BE59-25: 2558, SPECIALC0VERF0R8, 4S94793-101A and 19 more. Substitute compatibility should be verified for your specific system.
Is BE59-25 still available?
BE59-25 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026