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Technical Data Sheet
PartsTable / COMPONENT / 186363-5
186363-5 ✓ 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 OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.4800 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4148, 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
186363-5
NSN: 3110-00-156-4148
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
seal_quantity1
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.4800 INCHES NOMINAL IN
outer_ring_width0.5000 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter32.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-4148
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 186363-5 · 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
•
BEARING SEAL TYPE: CONTACT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INNER RING WIDTH: 0.4800 INCHES NOMINAL IN
•
SEAL QUANTITY: 1
•
LOAD DIRECTION: RADIAL
•
BORE SHAPE: STRAIGHT
•
OUTER RING WIDTH: 0.5000 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
INNER RING WIDTH0.4800 INCHES NOMINAL IN
SEAL QUANTITY1
LOAD DIRECTIONRADIAL
BORE SHAPESTRAIGHT
OUTER RING WIDTH0.5000 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
6V1127Interchangeable
interchangeable cross-reference
interchangeable
3222Interchangeable
interchangeable cross-reference
interchangeable
C32161Interchangeable
interchangeable cross-reference
interchangeable
X344Interchangeable
interchangeable cross-reference
interchangeable
10911916Interchangeable
interchangeable cross-reference
interchangeable
K600-406Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 186363-5?
186363-5 is a BEARING,BALL,ANNULAR.
What parts can replace 186363-5?
There are 26 known substitutes for 186363-5: 6V1127, 3222, C32161 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 186363-5?
186363-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4148. 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