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X355 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

X355: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN, overall_width: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: UNGROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-184-0029, 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
X355
NSN: 3110-00-184-0029
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 41230 — MOLE-RICHARDSON CO., LTD. DBA STUDIO DEPOT DIV MOLE RICHARDSON CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
overall_width0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishUNGROUND
special_features2 PIECE OUTER RING,BANDED OD
style_designatorSPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE
overall_outside_diameter0.6870 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
NSN3110-00-184-0029
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: X355 · 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 FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: UNGROUND
•
STYLE DESIGNATOR: SPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.6870 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHUNGROUND
STYLE DESIGNATORSPLIT OUTER RING WITH BAND AND SOLID INNER RING; NON-SEPARABLE
OVERALL WIDTH0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER0.6870 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SPECIAL FEATURES2 PIECE OUTER RING,BANDED OD
BORE DIAMETER0.2495 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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 X355?
X355 is a BEARING,BALL,ANNULAR.
What is the NSN for X355?
X355 is cataloged in the U.S. Government catalog under NSN 3110-00-184-0029. 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.