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Technical Data Sheet
PartsTable / COMPONENT / AS27645-3
AS27645-3 ✓ 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: PLASTIC POLYTETRAFLUOROETHYLENE SEAL, bore_diameter: 0.1900 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.2970 INCHES NOMINAL IN, outer_ring_width: 0.2700 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-4804, 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
AS27645-3
NSN: 3110-00-042-4804
FSC: 3110
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
bore_diameter0.1900 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
inner_ring_width0.2970 INCHES NOMINAL IN
outer_ring_width0.2700 INCHES NOMINAL IN
special_features80 PCT. FULL OF MIL-G-81322,AXIAL PLAY 0.023 IN. MAX.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG.F,10 DEG SELF-ALIGNING IN EITHER DIRECTION IN
style_designatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM EXPOSED SURFACES AS MOUNTED
self-alignment_locationINTERNAL
NSN3110-00-042-4804
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: AS27645-3 · 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
•
BORE DIAMETER: 0.1900 INCHES NOMINAL IN
•
SELF-ALIGNMENT LOCATION: INTERNAL
•
SEAL QUANTITY: 2
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
•
INNER RING WIDTH: 0.2970 INCHES NOMINAL IN
•
BEARING SEAL TYPE: CONTACT
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.1900 INCHES NOMINAL IN
SELF-ALIGNMENT LOCATIONINTERNAL
SPECIAL FEATURES80 PCT. FULL OF MIL-G-81322,AXIAL PLAY 0.023 IN. MAX.,HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66 AND STABILIZED FOR OPERATION AT 250 DEG.F,10 DEG SELF-ALIGNING IN EITHER DIRECTION IN
SEAL QUANTITY2
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
INNER RING WIDTH0.2970 INCHES NOMINAL IN
BEARING SEAL TYPECONTACT
LOAD DIRECTIONRADIAL
ALIGNMENT TYPESELF-ALIGNING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
KSP10FS464Interchangeable
interchangeable cross-reference
interchangeable
AS27645Interchangeable
interchangeable cross-reference
interchangeable
SAE AS27645Interchangeable
interchangeable cross-reference
interchangeable
MS27645-3AInterchangeable
interchangeable cross-reference
interchangeable
KSP3LFS464Interchangeable
interchangeable cross-reference
interchangeable
KSP3LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS27645-3?
AS27645-3 is a BEARING,BALL,AIRFRAME.
What parts can replace AS27645-3?
There are 18 known substitutes for AS27645-3: KSP10FS464, AS27645, SAE AS27645 and 15 more. Substitute compatibility should be verified for your specific system.
Is AS27645-3 still available?
AS27645-3 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