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Technical Data Sheet
PartsTable / COMPONENT / 859613
859613 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_width: 0.1562 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-620-4913, 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
859613
NSN: 3110-00-620-4913
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
bore_shapeSTRAIGHT
bore_diameter0.1250 INCHES NOMINAL IN
overall_width0.1562 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresTORQUE TESTED FOR VERY LOW TORQUE REQUIREMENTS
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialOIL
overall_outside_diameter0.3750 INCHES NOMINAL IN
internal_fit-up_designationLOOSE
NSN3110-00-620-4913
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 859613 · 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
•
OVERALL OUTSIDE DIAMETER: 0.3750 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
LUBRICATION MATERIAL: OIL
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.3750 INCHES NOMINAL IN
OVERALL WIDTH0.1562 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALOIL
SPECIAL FEATURESTORQUE TESTED FOR VERY LOW TORQUE REQUIREMENTS
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.5
INTERNAL FIT-UP DESIGNATIONLOOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
177030-106Interchangeable
interchangeable cross-reference
interchangeable
1577Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-81793CInterchangeable
interchangeable cross-reference
interchangeable
R3DS5172Interchangeable
interchangeable cross-reference
interchangeable
SSRS77R3DZC1826E3Interchangeable
interchangeable cross-reference
interchangeable
MMS1K7DFInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 859613?
859613 is a BEARING,BALL,ANNULAR.
What parts can replace 859613?
There are 27 known substitutes for 859613: 177030-106, 1577, MIL-B-81793C and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 859613?
859613 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-620-4913. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026