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553149 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

553149: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC RETAINER, bore_shape: STRAIGHT, contact_angle: 25.0 DEGREES MINIMUM, load_direction: ANGULAR, surface_finish: GROUND, special_features: 5.375 IN. W;5.375 IN.

LG;2.250 IN.H IN. This part is cataloged in the U.S. Government catalog under NSN 3110-00-960-7477, 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
553149
NSN: 3110-00-960-7477
NIINs: 009607477, 009728387
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC RETAINER
bore_shapeSTRAIGHT
contact_angle25.0 DEGREES MINIMUM
load_directionANGULAR
surface_finishGROUND
special_features5.375 IN. W;5.375 IN. LG;2.250 IN.H IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.3
NSN3110-00-960-7477
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 553149 · 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
•
RETAINER FABRICATION METHOD: MACHINED
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.3
•
MATERIAL: STEEL OUTER RING
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
STANDARD TOLERANCE DESIGNATIONABEC NO.3
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALPLASTIC PHENOLIC RETAINER
MATERIALSTEEL BALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 553149?
553149 is a BEARING,BALL,ANNULAR.
What is the NSN for 553149?
553149 is cataloged in the U.S. Government catalog under NSN 3110-00-960-7477. 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.