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Technical Data Sheet
KP25BS ✓ 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 440C OVERALL, bore_diameter: 1.5620 INCHES MINIMUM AND 1.5630 INCHES MAXIMUM IN, alignment_type: SELF-ALIGNING, load_direction: RADIAL, inner_ring_width: 0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN, outer_ring_width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2600, 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
KP25BS
NSN: 3110-00-227-2600
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
bore_diameter1.5620 INCHES MINIMUM AND 1.5630 INCHES MAXIMUM IN
seal_quantity2
alignment_typeSELF-ALIGNING
load_directionRADIAL
shield_quantity2
inner_ring_width0.4320 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_ring_width0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
special_featuresEXPOSED SURFACES AS MOUNTED CADMIUM PLATED
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
bearing_seal_typeCONTACT
features_providedALIGNING RING
NSN3110-00-227-2600
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: KP25BS · 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
ALIGNMENT TYPE: SELF-ALIGNING
BEARING SEAL TYPE: CONTACT
OUTER RING WIDTH: 0.3750 INCHES NOMINAL IN
SEAL QUANTITY: 2
LUBRICATION MATERIAL: GREASE
INNER RING WIDTH: 0.4375 INCHES NOMINAL IN
FEATURES PROVIDED: ALIGNING RING
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPESELF-ALIGNING
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.3750 INCHES NOMINAL IN
SEAL QUANTITY2
LUBRICATION MATERIALGREASE
INNER RING WIDTH0.4375 INCHES NOMINAL IN
FEATURES PROVIDEDALIGNING RING
LOAD DIRECTIONRADIAL
SELF-ALIGNMENT LOCATIONEXTERNAL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
251531Interchangeable
interchangeable cross-reference
interchangeable
KP25BSInterchangeable
interchangeable cross-reference
interchangeable
AS27648-25GInterchangeable
Same NIIN cross-reference
interchangeable
MS27648-25GInterchangeable
Same NIIN cross-reference
interchangeable
KP258SInterchangeable
Same NIIN cross-reference
interchangeable
KP25BSFS428Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KP25BS?
KP25BS is a BEARING,BALL,AIRFRAME.
What parts can replace KP25BS?
There are 10 known substitutes for KP25BS: 251531, KP25BS, AS27648-25G and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KP25BS?
KP25BS is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-227-2600. This indicates validated use in U.S. government and defense supply chains.
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