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Technical Data Sheet
PartsTable / COMPONENT / 113891
113891 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL COMP 4130 OVERALL, thickness: 0.094 INCHES NOMINAL IN, hole_diameter: 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, overall_width: 1.000 INCHES NOMINAL IN, overall_height: 0.468 INCHES NOMINAL IN, overall_length: 1.350 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 3110-00-019-9386, 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
113891
NSN: 3110-00-019-9386
FSC: 3110
CAGE: 06144 — INDUSTRIAL TECTONICS BEARINGS CORPORATION DBA RBC BEARINGS INC DIV INDUSTRIAL TECTONICS BEARINGS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
thickness0.094 INCHES NOMINAL IN
hole_diameter0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
overall_width1.000 INCHES NOMINAL IN
overall_height0.468 INCHES NOMINAL IN
overall_length1.350 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 29.0 ROCKWELL C MAXIMUM
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.938 INCHES NOMINAL IN
special_featuresBRAND NAME DESCRIPTION AQM - 8 GAUGE;ADDITIONAL ITEM INFORMATION AQM 25-5/64 X 17-3/8 X .008,R;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
surface_treatmentNICKEL OVERALL
NSN3110-00-019-9386
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 113891 · 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
•
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
•
TEST DATA DOCUMENT: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
113891Interchangeable
interchangeable cross-reference
interchangeable
499-057-014Interchangeable
interchangeable cross-reference
interchangeable
116720-003Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
118390-15Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 113891?
113891 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 113891?
There are 5 known substitutes for 113891: 113891, 499-057-014, 116720-003 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 113891?
113891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-019-9386. 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