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Technical Data Sheet
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KP3A ✓ 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 INNER RING, bore_diameter: 0.1900 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.2450 INCHES NOMINAL IN, outer_ring_width: 0.2030 INCHES NOMINAL IN, style_designator: SINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-027-8758, 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
KP3A
NSN: 3110-00-027-8758
FSC: 3110
CAGE: 21760 — SCHATZ BEARING CORPORATION DBA SCHATZ BEARING CORP (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_diameter0.1900 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
inner_ring_width0.2450 INCHES NOMINAL IN
outer_ring_width0.2030 INCHES NOMINAL IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
bearing_seal_typeCONTACT
surface_treatmentCADMIUM OUTER RING
lubrication_materialGREASE
functional_descriptionINTMD DUTY ACFT CONT SYS
supplementary_featuresNOT TO BE RELUB
NSN3110-00-027-8758
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: KP3A · 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
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
•
BEARING SEAL TYPE: CONTACT
•
INNER RING WIDTH: 0.2970 INCHES NOMINAL IN
•
SEAL QUANTITY: 2
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
SPECIAL FEATURES80 PCT. FULL OF MIL-G-81322,INTERNAL RADIAL CLEARANCE 0.0004- 0.0010 IN.,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. OUTER RING 0.0016 IN. IN
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
BEARING SEAL TYPECONTACT
INNER RING WIDTH0.2970 INCHES NOMINAL IN
SEAL QUANTITY2
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
OUTER RING WIDTH0.2294 INCHES MINIMUM AND 0.2344 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3666 ASSN STD SINGLE MATERIAL RESPONSE SEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
AS27641Interchangeable
interchangeable cross-reference
interchangeable
MKP20AInterchangeable
interchangeable cross-reference
interchangeable
MS27641-10Interchangeable
interchangeable cross-reference
interchangeable
561-6404325-31Interchangeable
interchangeable cross-reference
interchangeable
MS27641-12Interchangeable
interchangeable cross-reference
interchangeable
AS7949Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KP3A?
KP3A is a BEARING,BALL,AIRFRAME.
What parts can replace KP3A?
There are 32 known substitutes for KP3A: AS27641, MKP20A, MS27641-10 and 29 more. Substitute compatibility should be verified for your specific system.
Is KP3A still available?
KP3A is currently cancelled.
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Last verified: July 2026