PartsTable
Technical Data Sheet
MS27645-3A ✓ 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: 0.2450 INCHES NOMINAL IN, outer_ring_width: 0.2030 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-4805, 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
MS27645-3A
NSN: 3110-00-042-4805
FSC: 3110
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
bore_diameter0.1900 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
inner_ring_width0.2450 INCHES NOMINAL IN
outer_ring_width0.2030 INCHES NOMINAL IN
style_designatorSINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
surface_treatmentCADMIUM INNER RING
self-alignment_locationINTERNAL
overall_outside_diameter0.6250 INCHES NOMINAL IN
NSN3110-00-042-4805
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MS27645-3A · 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
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
SELF-ALIGNMENT LOCATION: INTERNAL
SEAL QUANTITY: 2
BEARING SEAL TYPE: CONTACT
INNER RING WIDTH: 0.2450 INCHES NOMINAL IN
ALIGNMENT TYPE: SELF-ALIGNING
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
SELF-ALIGNMENT LOCATIONINTERNAL
SEAL QUANTITY2
SPECIAL FEATURES80 PCT FULL OF SPECIFIED LUBRICANT+ AXIAL PLAY 0.0230 IN. MAX+ HEAT TREAT RINGS AND BALLS TO ROCKWELL C 60 TO 66+ HEA STABILIZED FOR OPERATION AT 250 DEG F+ 10 DEG SELF-ALIGNING IN EITHER DIRECTION IN
BEARING SEAL TYPECONTACT
INNER RING WIDTH0.2450 INCHES NOMINAL IN
ALIGNMENT TYPESELF-ALIGNING
LOAD DIRECTIONRADIAL
OUTER RING WIDTH0.2030 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
KSP10FS464Interchangeable
interchangeable cross-reference
interchangeable
AS27645Interchangeable
interchangeable cross-reference
interchangeable
SAE AS27645Interchangeable
interchangeable cross-reference
interchangeable
KSP3FS464Interchangeable
interchangeable cross-reference
interchangeable
SAE AS27645-3Interchangeable
interchangeable cross-reference
interchangeable
MS27645-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS27645-3A?
MS27645-3A is a BEARING,BALL,AIRFRAME.
What parts can replace MS27645-3A?
There are 27 known substitutes for MS27645-3A: KSP10FS464, AS27645, SAE AS27645 and 24 more. Substitute compatibility should be verified for your specific system.
Is MS27645-3A still available?
MS27645-3A is currently cancelled.
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