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291864 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

291864: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include width: 36.000 INCHES NOMINAL IN, length: 36.000 INCHES NOMINAL IN, thickness: 0.125 INCHES NOMINAL IN, body_style: PANEL MOUNT, body_width: 0.750 INCHES NOMINAL IN, bore_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-227-2498, 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
MRO→ MRO_GENERAL→ 291864
NSN: 3110-00-227-2498
NIINs: 002272498, 011230686, 011504085
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
width36.000 INCHES NOMINAL IN
length36.000 INCHES NOMINAL IN
thickness0.125 INCHES NOMINAL IN
body_stylePANEL MOUNT
body_width0.750 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height2.030 INCHES MAXIMUM IN
body_length0.910 INCHES MAXIMUM IN
bore_diameter25.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MAXIMUM
overall_width0.750 INCHES NOMINAL IN
actuator_styleRECTANGULAR
NSN3110-00-227-2498
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 291864 · 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
•
LUBRICATION MATERIAL: LUBRICANT
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
LUBRICATION MATERIALLUBRICANT
SURFACE FINISHGROUND
OVERALL WIDTH15.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MAXIMUM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESPAIR OF BEARINGS,DUPLEX MOUNTED FACETO FACE
STANDARD TOLERANCE DESIGNATIONABEC NO.5
BORE DIAMETER25.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 1
20205DFL5AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 291864?
291864 is a BEARING,BALL,ANNULAR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 291864?
There is 1 known substitute for 291864: 20205DFL5A. Substitute compatibility should be verified for your specific system.
What is the NSN for 291864?
291864 is cataloged in the U.S. Government catalog under NSN 3110-00-227-2498. 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.