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H8803 — BEARING,ROLLER,JOURNAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

H8803: BEARING,ROLLER,JOURNAL.

The BEARING,ROLLER,JOURNAL is a the manufacturer industrial component. Key specifications include bore_diameter: 40.0000 MILLIMETERS NOMINAL MM, overall_outside_diameter: 80.00 MILLIMETERS NOMINAL MM, standard_tolerance_designation: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-117-1557, 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
H8803
NSN: 3110-00-117-1557
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
bore_diameter40.0000 MILLIMETERS NOMINAL MM
overall_outside_diameter80.00 MILLIMETERS NOMINAL MM
standard_tolerance_designationAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
NSN3110-00-117-1557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: H8803 · 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: 80.00 MILLIMETERS NOMINAL MM
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCES FOR JOURNAL BEARINGS
•
BORE DIAMETER: 40.0000 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
OVERALL OUTSIDE DIAMETER80.00 MILLIMETERS NOMINAL MM
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCES FOR JOURNAL BEARINGS
BORE DIAMETER40.0000 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 2
W208Reference document
Same NSN cross-reference
Reference document — Secondary reference
141776Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H8803?
H8803 is a BEARING,ROLLER,JOURNAL.
What parts can replace H8803?
There are 2 known substitutes for H8803: W208, 141776. Substitute compatibility should be verified for your specific system.
What is the NSN for H8803?
H8803 is cataloged in the U.S. Government catalog under NSN 3110-00-117-1557. 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.