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W1-248 — SEAT,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

W1-248: SEAT,BEARING.

The SEAT,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.5620 INCHES NOMINAL IN, overall_width: 0.0300 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN, outside_diameter: 1.0000 INCHES NOMINAL IN, style_designator: FLAT RACE SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-006-9120, 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
W1-248
NSN: 3110-01-006-9120
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.5620 INCHES NOMINAL IN
overall_width0.0300 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
outside_diameter1.0000 INCHES NOMINAL IN
style_designatorFLAT RACE SURFACE
NSN3110-01-006-9120
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: W1-248 · 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
•
STYLE DESIGNATOR: FLAT RACE SURFACE
•
OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5620 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT RACE SURFACE
OVERALL WIDTH0.0300 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
BORE DIAMETER0.5620 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
901011PL FIND 19Reference document
Same NSN cross-reference
Reference document — Secondary reference
400238Reference document
Same NSN cross-reference
Reference document — Secondary reference
TRA916Reference document
Same NSN cross-reference
Reference document — Secondary reference
901010-1-6-01PL FD NO 19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
99-1081-1Reference document
Same NSN cross-reference
Reference document — Secondary 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 W1-248?
W1-248 is a SEAT,BEARING.
What parts can replace W1-248?
There are 5 known substitutes for W1-248: 901011PL FIND 19, 400238, TRA916 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1-248?
W1-248 is cataloged in the U.S. Government catalog under NSN 3110-01-006-9120. 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.