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AS27646 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

AS27646: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include bore_diameter: 0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN, seal_quantity: 22, load_direction: RADIALRADIAL, inner_ring_width: 0.2810 INCHES NOMINAL0.2810 INCHES NOMINAL IN, outer_ring_width: 0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURESINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-106-8823, 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
AS27646
NSN: 3110-00-106-8823
NIINs: 001068823, 001068826, 001068828, 001419794, 002454874, 002939195, 002939225, 005083753, 006068956, 006265987, 010315440, 010328625, 010376209, 010536525, 012715982, 013567237
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
bore_diameter0.8750 INCHES NOMINAL0.8750 INCHES NOMINAL IN
seal_quantity22
load_directionRADIALRADIAL
inner_ring_width0.2810 INCHES NOMINAL0.2810 INCHES NOMINAL IN
outer_ring_width0.2500 INCHES NOMINAL0.2500 INCHES NOMINAL IN
special_featuresFILLED WITH 80 PCT OF SPECIFIED LUBRICANT,RADIAL CLEARANCE 0.0008 IN MIN 0.0018 IN MAX.FILLED WITH 80 PCT OF SPECIFIED LUBRICANT,RADIAL CLEARANCE 0.0008 IN MIN 0.0018 IN MAX. IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURESINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
bearing_seal_typeCONTACTCONTACT
lubrication_materialGREASEGREASE
overall_outside_diameter1.3125 INCHES NOMINAL1.3125 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGSAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSEMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-106-8823
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AS27646 · 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: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
•
STYLE DESIGNATOR: SINGLE ROW INNER RING EXTENDED BOTH SIDES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL
•
OVERALL OUTSIDE DIAMETER: 1.0615 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL
OVERALL OUTSIDE DIAMETER1.0615 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESFILLED WITH 80 PCT SPECIFIED LUBRICANT
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
SEAL QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 7
AS7949Reference document
Same NSN cross-reference
Reference document — Secondary reference
940.83.08.101Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS27646-38Reference document
Same NSN cross-reference
Reference document — Secondary reference
B538DDReference document
Same NSN cross-reference
Reference document — Secondary reference
B538DD FS464Reference document
Same NSN cross-reference
Reference document — Secondary reference
B538DDA1488Reference 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 AS27646?
AS27646 is a BEARING,BALL,AIRFRAME.
What parts can replace AS27646?
There are 7 known substitutes for AS27646: AS7949, 940.83.08.101, MS27646-38 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS27646?
AS27646 is cataloged in the U.S. Government catalog under NSN 3110-00-106-8823. 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.