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PartsTable / COMPONENT / 204KLL2FS381
204KLL2FS381 ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.6988 INCHES NOMINAL 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 3110-00-541-8925, 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
204KLL2FS381
NSN: 3110-00-541-8925
FSC: 3110
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.6988 INCHES NOMINAL IN
outer_ring_width0.5510 INCHES NOMINAL IN
special_featuresPACK BEARING 40 PERCENT WITH MIL-G-81322 GREASE
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLABYRINTH
lubrication_materialGREASE
NSN3110-00-541-8925
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 204KLL2FS381 · 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
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
OUTER RING WIDTH: 0.5510 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
•
LUBRICATION MATERIAL: GREASE
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OUTER RING WIDTH0.5510 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPELABYRINTH
SEAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
31004Interchangeable
interchangeable cross-reference
interchangeable
S31005BTInterchangeable
interchangeable cross-reference
interchangeable
31005TBInterchangeable
interchangeable cross-reference
interchangeable
262-31418-104Interchangeable
interchangeable cross-reference
interchangeable
31004-1Interchangeable
interchangeable cross-reference
interchangeable
L3452Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 204KLL2FS381?
204KLL2FS381 is a BEARING,BALL,ANNULAR.
What parts can replace 204KLL2FS381?
There are 21 known substitutes for 204KLL2FS381: 31004, S31005BT, 31005TB and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 204KLL2FS381?
204KLL2FS381 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-541-8925. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026