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Technical Data Sheet
PartsTable / MRO / A-A-59631
A-A-59631 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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, bore_shape: STRAIGHT, storage_type: GENERAL PURPOSE WAREHOUSE, bore_diameter: 25.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 21.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8014, 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
MRO→ MRO_GENERAL→ A-A-59631
NSN: 3110-00-156-8014
FSC: 3110
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL
bore_shapeSTRAIGHT
storage_typeGENERAL PURPOSE WAREHOUSE
bore_diameter25.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width21.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
fragility_factorMODERATELY RUGGED
style_designatorRECTANGULAR, FLUSH MOUNTING
features_providedCOVER
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-8014
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-A-59631 · 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
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
NONDEFINITIVE SPEC/STD DATA: 134 TYPE AND 00 GRADE
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
MATERIALSTEEL OVERALL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
NONDEFINITIVE SPEC/STD DATA134 TYPE AND 00 GRADE
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.1
CONTACT ANGLE25.0 DEGREES MINIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
20405Interchangeable
interchangeable cross-reference
interchangeable
R147PC7Interchangeable
interchangeable cross-reference
interchangeable
7405WInterchangeable
interchangeable cross-reference
interchangeable
7405Interchangeable
interchangeable cross-reference
interchangeable
800Interchangeable
interchangeable cross-reference
interchangeable
52054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-59631?
A-A-59631 is a BEARING,BALL,ANNULAR. It is classified as a MRO (MRO_GENERAL).
What parts can replace A-A-59631?
There are 26 known substitutes for A-A-59631: 20405, R147PC7, 7405W and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-59631?
A-A-59631 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8014. 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