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MS27646-46 — BEARING,BALL,AIRFRAME

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

MS27646-46: BEARING,BALL,AIRFRAME.

The BEARING,BALL,AIRFRAME is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC SEAL, bore_diameter: 2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, special_features: FILLED WITH 80 PCT SPECIFIED LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-508-3753, 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
MS27646-46
NSN: 3110-00-508-3753
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC SEAL
bore_diameter2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
special_featuresFILLED WITH 80 PCT SPECIFIED LUBRICANT
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
overall_outside_diameter2.8735 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
material_document_and_classificationAMS 3652 ASSN STD 1ST MATERIAL RESPONSE OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL
NSN3110-00-508-3753
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS27646-46 · 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
•
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: 2.8735 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
•
LOAD DIRECTION: RADIAL
•
SURFACE TREATMENT: CADMIUM EXPOSED SURFACES AS MOUNTED
TECHNICAL CHARACTERISTICS
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
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 DIAMETER2.8735 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN
LOAD DIRECTIONRADIAL
SPECIAL FEATURESFILLED WITH 80 PCT SPECIFIED LUBRICANT
SURFACE TREATMENTCADMIUM EXPOSED SURFACES AS MOUNTED
SEAL QUANTITY2
BORE DIAMETER2.3115 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
AS-27646Reference 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 MS27646-46?
MS27646-46 is a BEARING,BALL,AIRFRAME.
What parts can replace MS27646-46?
There is 1 known substitute for MS27646-46: AS-27646. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27646-46?
MS27646-46 is cataloged in the U.S. Government catalog under NSN 3110-00-508-3753. This indicates validated use in U.S. government and defense supply chains.
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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.