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Technical Data Sheet
PartsTable / COMPONENT / AA59639
AA59639 ✓ 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: 25.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 20.6 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5328, 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
AA59639
NSN: 3110-00-156-5328
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter25.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width20.6 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
shield_quantity2
special_features50 PCT FULL W/GREASE
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-5328
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AA59639 · 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: PRESSED
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
BORE DIAMETER: 60.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
•
MATERIAL: STEEL OVERALL
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH2.1250 INCHES NOMINAL IN
BORE DIAMETER60.00 MILLIMETERS NOMINAL MM
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
MATERIALSTEEL OVERALL
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
INTERNAL FIT-UP DESIGNATIONSTANDARD
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
1325-F873Interchangeable
interchangeable cross-reference
interchangeable
M188Interchangeable
interchangeable cross-reference
interchangeable
FF4901Interchangeable
interchangeable cross-reference
interchangeable
5164462Interchangeable
interchangeable cross-reference
interchangeable
714080Interchangeable
interchangeable cross-reference
interchangeable
5314Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59639?
AA59639 is a BEARING,BALL,ANNULAR.
What parts can replace AA59639?
There are 34 known substitutes for AA59639: 1325-F873, M188, FF4901 and 31 more. Substitute compatibility should be verified for your specific system.
Is AA59639 still available?
AA59639 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026