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AS27649 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

AS27649: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440A OUTER RING A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.4355 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN, outer_ring_width: 0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-083-1627, 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
AS27649
NSN: 3110-00-083-1627
NIINs: 000831627, 010160502, 010880332
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OUTER RING A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.4355 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
outer_ring_width0.3070 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
special_features80 PCT FULL OF SPECIFIED LUBRICANT,HEAT STABILIZED FOR OPERATION AT 250 DEG F,RINGS AND BALL HEAT TREAT TO ROCKWELL C SCALE 57 MIN 63 MAX,INTERNAL CLEARANCE 0.0003 IN. MIN 0.0009 IN. MAX IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
retainer_fabrication_methodPRESSED
NSN3110-00-083-1627
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AS27649 · 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
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
OVERALL OUTSIDE DIAMETER: 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SEAL QUANTITY: 2
•
BORE DIAMETER: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
OVERALL OUTSIDE DIAMETER0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESSEALS RETAINED BY CRES SNAP WASHERS
SEAL QUANTITY2
BORE DIAMETER0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C INNER RING
MATERIALSTEEL COMP 440C OUTER RING
SUBSTITUTES & CROSS-REFERENCES 3
AW6AKFS381Reference document
Same NSN cross-reference
Reference document — Secondary reference
GB520BWAW6AKReference document
Same NSN cross-reference
Reference document — Secondary reference
MS27649-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS27649?
AS27649 is a BEARING,BALL,AIRFRAME.
What parts can replace AS27649?
There are 3 known substitutes for AS27649: AW6AKFS381, GB520BWAW6AK, MS27649-6. Substitute compatibility should be verified for your specific system.
What is the NSN for AS27649?
AS27649 is cataloged in the U.S. Government catalog under NSN 3110-00-083-1627. This indicates validated use in U.S. government and defense supply chains.
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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.