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1309WB — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1309WB: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 2.3375 INCHES MINIMUM AND 2.3381 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, special_features: NO INNER RING. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-184-1905, 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
1309WB
NSN: 3110-01-184-1905
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter2.3375 INCHES MINIMUM AND 2.3381 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresNO INNER RING
overall_outside_diameter3.9365 INCHES MINIMUM AND 3.9370 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.1
NSN3110-01-184-1905
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1309WB · 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 3
1309-UReference document
Same NSN cross-reference
Reference document — Secondary reference
M1309ELReference document
Same NSN cross-reference
Reference document — Secondary reference
13214E2355Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1309WB?
1309WB is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 1309WB?
There are 3 known substitutes for 1309WB: 1309-U, M1309EL, 13214E2355. Substitute compatibility should be verified for your specific system.
What is the NSN for 1309WB?
1309WB is cataloged in the U.S. Government catalog under NSN 3110-01-184-1905. 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.