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2151791 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

2151791: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, cubic_measure: 1728.000 CUBIC INCHES, load_direction: RADIAL, surface_finish: GROUND, style_designator: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-311-5352, 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
2151791
NSN: 3110-01-311-5352
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
cubic_measure1728.000 CUBIC INCHES
load_directionRADIAL
surface_finishGROUND
style_designator4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
unpackaged_unit_weight1.0 POUNDS NOMINAL LBS
end_item_identificationUSED ON GOVERNOR DRIVE ON ALCO DIESEL ENGINE 251F18MS ONBOARD 270 FT WMEC COAST GUARD VESSELS FT
NSN3110-01-311-5352
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2151791 · 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
•
UNPACKAGED UNIT WEIGHT: 1.0 POUNDS NOMINAL LBS
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
CUBIC MEASURE: 1728.000 CUBIC INCHES
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
UNPACKAGED UNIT WEIGHT1.0 POUNDS NOMINAL LBS
SURFACE FINISHGROUND
STYLE DESIGNATOR4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
CUBIC MEASURE1728.000 CUBIC INCHES
END ITEM IDENTIFICATIONUSED ON GOVERNOR DRIVE ON ALCO DIESEL ENGINE 251F18MS ONBOARD 270 FT WMEC COAST GUARD VESSELS FT
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2151791?
2151791 is a BEARING,BALL,ANNULAR.
What is the NSN for 2151791?
2151791 is cataloged in the U.S. Government catalog under NSN 3110-01-311-5352. 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.