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PartsTable / COMPONENT / SR186SWX2K4DB2 1/2-011
SR186SWX2K4DB2 1/2-011 ✓ 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 SR186SWX2K4DB2 1/2-011 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-013-4038, 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
SR186SWX2K4DB2 1/2-011
NSN: 3110-01-013-4038
FSC: 3110
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
Part NumberSR186SWX2K4DB2 1/2-011
NSN3110-01-013-4038
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SR186SWX2K4DB2 1/2-011 · 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
•
RETAINER FABRICATION METHOD: STAMPED
•
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
•
MATERIAL: OIL LUBRICATION
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODSTAMPED
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING
MATERIALOIL LUBRICATION
SPECIAL FEATURESPAIR OF BEARINGS DUPLEX MOUNTED BACK TO BACK
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO. 5P
OVERALL OUTSIDE DIAMETER0.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
E-853Interchangeable
interchangeable cross-reference
interchangeable
1XTX5Interchangeable
interchangeable cross-reference
interchangeable
5N323Interchangeable
interchangeable cross-reference
interchangeable
EM2516TInterchangeable
interchangeable cross-reference
interchangeable
901811-4CInterchangeable
Same NIIN cross-reference
interchangeable
AV33KD5DBInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR186SWX2K4DB2 1/2-011?
SR186SWX2K4DB2 1/2-011 is a SR186SWX2K4DB2 1/2-011.
What parts can replace SR186SWX2K4DB2 1/2-011?
There are 7 known substitutes for SR186SWX2K4DB2 1/2-011: E-853, 1XTX5, 5N323 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SR186SWX2K4DB2 1/2-011?
SR186SWX2K4DB2 1/2-011 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-013-4038. 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