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13531-001 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

13531-001: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL SEPARATOR, bore_diameter: 5.0000 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2900 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL IN, special_features: SHIELDS BONDED TO OUTER RING ALSO SPRING SEPARATORS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-822-3573, 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
13531-001
NSN: 3110-00-822-3573
NIINs: 008223573, 012006915
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 32828 — KAYDON CORPORATION DBA KAYDON CORP (USA)
SPECIFICATIONS
materialSTEEL SEPARATOR
bore_diameter5.0000 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.2900 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL IN
special_featuresSHIELDS BONDED TO OUTER RING ALSO SPRING SEPARATORS
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter5.5000 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-822-3573
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 13531-001 · 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
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.2500 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 5.5000 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.2500 INCHES NOMINAL IN
SHIELD QUANTITY2
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER5.5000 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSHIELDS BONDED TO OUTER RING ALSO SPRING SEPARATORS
SURFACE TREATMENTCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
BORE DIAMETER5.0000 INCHES NOMINAL IN
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES 2
B5136001Reference document
Same NSN cross-reference
Reference document — Secondary reference
B5136-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 13531-001?
13531-001 is a BEARING,BALL,AIRFRAME.
What parts can replace 13531-001?
There are 2 known substitutes for 13531-001: B5136001, B5136-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 13531-001?
13531-001 is cataloged in the U.S. Government catalog under NSN 3110-00-822-3573. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
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.