PartsTable
Technical Data Sheet

38LL4T3CK811/287 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

38LL4T3CK811/287: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include height: 0.120 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, first_end_style: ROUND, style_designator: SHOULDER, first_step_length: 1.594 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-247-9427, 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
38LL4T3CK811/287
NSN: 3110-01-247-9427
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
height0.120 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
first_end_styleROUND
style_designatorSHOULDER
first_step_length1.594 INCHES NOMINAL IN
pin_head_diameter0.620 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length1.875 INCHES NOMINAL IN
second_step_length0.281 INCHES NOMINAL IN
first_step_diameter0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
second_step_diameter0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
NSN3110-01-247-9427
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 38LL4T3CK811/287 · 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
SUBSTITUTES & CROSS-REFERENCES 1
5905740Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 38LL4T3CK811/287?
38LL4T3CK811/287 is a BEARING,BALL,ANNULAR.
What parts can replace 38LL4T3CK811/287?
There is 1 known substitute for 38LL4T3CK811/287: 5905740. Substitute compatibility should be verified for your specific system.
What is the NSN for 38LL4T3CK811/287?
38LL4T3CK811/287 is cataloged in the U.S. Government catalog under NSN 3110-01-247-9427. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.