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451841 — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

451841: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_diameter: 2.7559 INCHES NOMINAL IN, overall_width: 32.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, style_designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-702-2448, 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
451841
NSN: 3110-00-702-2448
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_diameter2.7559 INCHES NOMINAL IN
overall_width32.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
special_featuresEACH BEARING OF SET TO HAVE SAME SERIAL NO.,V ETCHED ON OUTER RING,SUITABLE FOR OPERATION FROM MINUS 65 DEG TO PLUS 250 DEG F DEGF
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
overall_outside_diameter3.9370 INCHES NOMINAL IN
bearing_preload_designationLIGHT
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.3
NSN3110-00-702-2448
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 451841 · 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: MACHINED
•
SURFACE FINISH: GROUND
•
BEARING PRELOAD DESIGNATION: LIGHT
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
•
OVERALL OUTSIDE DIAMETER: 3.9370 INCHES NOMINAL IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
BEARING PRELOAD DESIGNATIONLIGHT
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING
OVERALL WIDTH32.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER3.9370 INCHES NOMINAL IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURESEACH BEARING OF SET TO HAVE SAME SERIAL NO.,V ETCHED ON OUTER RING,SUITABLE FOR OPERATION FROM MINUS 65 DEG TO PLUS 250 DEG F DEGF
TEST DATA DOCUMENT81343-AMS2640 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.).
STANDARD TOLERANCE DESIGNATIONABEC NO.3
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES 4
SB1057-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9314WI01Reference document
Same NSN cross-reference
Reference document — Secondary reference
D2-43125Reference document
Same NSN cross-reference
Reference document — Secondary reference
1914RD400FReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 451841?
451841 is a BEARING,BALL,DUPLEX.
What parts can replace 451841?
There are 4 known substitutes for 451841: SB1057-1, 9314WI01, D2-43125 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451841?
451841 is cataloged in the U.S. Government catalog under NSN 3110-00-702-2448. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.