PartsTable
Technical Data Sheet
KSP5AFS428 ✓ 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 CORROSION RESISTING RETAINER, bore_diameter: 0.3125 INCHES NOMINAL IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.2970 INCHES NOMINAL IN, outer_ring_width: 0.2340 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-042-4809, 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
KSP5AFS428
NSN: 3110-00-042-4809
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING RETAINER
bore_diameter0.3125 INCHES NOMINAL IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
inner_ring_width0.2970 INCHES NOMINAL IN
outer_ring_width0.2340 INCHES NOMINAL IN
special_features80 PCT FULL OF SPECIFIED LUBRICANT; AXIAL PLAY 0.0280 IN. MAX; HEAT TREAT RINGS AND BALLS TOROCKWELL C 60 TO 66; HEAT STABILIZED FOR OPERATION AT 250 DEG F; 8 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
NSN3110-00-042-4809
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: KSP5AFS428 · 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: 0.8125 INCHES NOMINAL IN
SELF-ALIGNMENT LOCATION: INTERNAL
OUTER RING WIDTH: 0.2340 INCHES NOMINAL IN
INNER RING WIDTH: 0.2970 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER0.8125 INCHES NOMINAL IN
SELF-ALIGNMENT LOCATIONINTERNAL
OUTER RING WIDTH0.2340 INCHES NOMINAL IN
SPECIAL FEATURES80 PCT FULL OF SPECIFIED LUBRICANT; AXIAL PLAY 0.0280 IN. MAX; HEAT TREAT RINGS AND BALLS TOROCKWELL C 60 TO 66; HEAT STABILIZED FOR OPERATION AT 250 DEG F; 8 DEG SELF-ALIGNING IN EITHER DIRECTION IN
INNER RING WIDTH0.2970 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SEAL QUANTITY2
ALIGNMENT TYPESELF-ALIGNING
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
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 KSP5AFS428?
KSP5AFS428 is a BEARING,BALL,AIRFRAME.
What parts can replace KSP5AFS428?
There are 19 known substitutes for KSP5AFS428: KSP10FS464, AS27645, SAE AS27645 and 16 more. Substitute compatibility should be verified for your specific system.
Is KSP5AFS428 still available?
KSP5AFS428 is currently cancelled.
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