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819938 — BEARING,ROLLER,CYLINDRICAL

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

819938: BEARING,ROLLER,CYLINDRICAL.

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 13.2490 INCHES MINIMUM AND 13.2500 INCHES MAXIMUM IN, overall_width: 1.1450 INCHES MINIMUM AND 1.1500 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-2511, 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
819938
NSN: 3110-00-227-2511
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter13.2490 INCHES MINIMUM AND 13.2500 INCHES MAXIMUM IN
overall_width1.1450 INCHES MINIMUM AND 1.1500 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
style_designatorSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
internal_clearance0.0015 INCHES MAXIMUM AXIAL IN
overall_outside_diameter15.8740 INCHES MINIMUM AND 15.8750 INCHES MAXIMUM IN
NSN3110-00-227-2511
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 819938 · 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
•
INTERNAL CLEARANCE: 0.0015 INCHES MAXIMUM AXIAL IN
•
LOCATING FEATURE: NONLOCATING
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 15.8740 INCHES MINIMUM AND 15.8750 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
INTERNAL CLEARANCE0.0015 INCHES MAXIMUM AXIAL IN
LOCATING FEATURENONLOCATING
SURFACE FINISHGROUND
STYLE DESIGNATORSINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE
OVERALL WIDTH1.1450 INCHES MINIMUM AND 1.1500 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER15.8740 INCHES MINIMUM AND 15.8750 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
SPECIAL FEATURES24 EQUALLY SPACED SPOTWELDS ON 15-1/8 IN. DIA BETWEEN SHIELD AND OUTER RING AND OIL HOLE IN OUTER RING AND INNER AND OUTER RING GROOVED FOR FOUR POINT CONTACT AND CRES SHIELDS AND 17 LB IN. STARTING TORQUE MAX LBS
BORE DIAMETER13.2490 INCHES MINIMUM AND 13.2500 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 819938?
819938 is a BEARING,ROLLER,CYLINDRICAL.
What is the NSN for 819938?
819938 is cataloged in the U.S. Government catalog under NSN 3110-00-227-2511. This indicates validated use in U.S. government and defense supply chains.
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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.