PartsTable
Technical Data Sheet
A13021 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: RECESSED, seal_width: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, temp_rating: -55.0 FAHRENHEIT AND 125.0 FAHRENHEIT DEGF, surface_treatment: CADMIUM CASE, housing_bore_diameter: 3.064 INCHES MINIMUM AND 3.068 INCHES MAXIMUM 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 3110-00-141-9910, 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
A13021
NSN: 3110-00-141-9910
FSC: 3110
CAGE: 32828 — KAYDON CORPORATION DBA KAYDON CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
temp_rating-55.0 FAHRENHEIT AND 125.0 FAHRENHEIT DEGF
surface_treatmentCADMIUM CASE
housing_bore_diameter3.064 INCHES MINIMUM AND 3.068 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE CASE
NSN3110-00-141-9910
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A13021 · 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
BORE DIAMETER: 4.7500 INCHES NOMINAL IN
MATERIAL: STEEL OUTER RING
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SPLIT INNER AND OUTER RINGS, SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER4.7500 INCHES NOMINAL IN
OVERALL WIDTH0.7500 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
STYLE DESIGNATOR4 POINT BALL CONTACT, SPLIT INNER AND OUTER RINGS, SEPARABLE
MATERIALSTEEL BALL
MATERIALCOPPER ALLOY RETAINER
MATERIALSTEEL INNER RING
SPECIAL FEATURESSPLIT OUTER RING HELD TOGETHER BY 2 LOOSE FITTING RIVETS; ALTERNATE FORM; SOLID INNER RING WITH LOADING PLUG.
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
F556PC39Interchangeable
interchangeable cross-reference
interchangeable
55500-5900-871131PC39Interchangeable
interchangeable cross-reference
interchangeable
R566REV1PC27Interchangeable
interchangeable cross-reference
interchangeable
1094SInterchangeable
interchangeable cross-reference
interchangeable
A13021Interchangeable
interchangeable cross-reference
interchangeable
XMF88A224S10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A13021?
A13021 is a BEARING,BALL,ANNULAR.
What parts can replace A13021?
There are 9 known substitutes for A13021: F556PC39, 55500-5900-871131PC39, R566REV1PC27 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A13021?
A13021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-141-9910. This indicates validated use in U.S. government and defense supply chains.
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