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PartsTable / COMPONENT / MS27640KP4
MS27640KP4 ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OUTER RING, bore_diameter: 0.2500 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.4840 INCHES NOMINAL IN, outer_ring_width: 0.3350 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-023-6669, 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
MS27640KP4
NSN: 3110-00-023-6669
FSC: 3110
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP E52100 OUTER RING
bore_diameter0.2500 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.4840 INCHES NOMINAL IN
outer_ring_width0.3350 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
overall_outside_diameter0.9014 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES BALL
NSN3110-00-023-6669
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS27640KP4 · 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: 0.3350 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
INNER RING WIDTH: 0.4840 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.3350 INCHES NOMINAL IN
SPECIAL FEATURES80 PCT. FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004 IN. MIN,0.0010 IN. MAX,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG. F,RADIAL AND LATERAL ECCENTRICITY INNER RING 0.0010 IN. OUTERRING 0.0016 IN. IN
SEAL QUANTITY2
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
INNER RING WIDTH0.4840 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.2500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
K10ANG25Interchangeable
interchangeable cross-reference
interchangeable
AS27640Interchangeable
interchangeable cross-reference
interchangeable
KP10FS464Interchangeable
interchangeable cross-reference
interchangeable
KP3Interchangeable
interchangeable cross-reference
interchangeable
KP3FS160Interchangeable
interchangeable cross-reference
interchangeable
KP3LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27640KP4?
MS27640KP4 is a BEARING,BALL,AIRFRAME.
What parts can replace MS27640KP4?
There are 28 known substitutes for MS27640KP4: K10ANG25, AS27640, KP10FS464 and 25 more. Substitute compatibility should be verified for your specific system.
Is MS27640KP4 still available?
MS27640KP4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026