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Technical Data Sheet
PartsTable / COMPONENT / 177009-53
177009-53 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 70.00 MILLIMETERS NOMINAL MM, overall_width: 3.1250 INCHES NOMINAL IN, load_direction: ANGULAR, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5348, 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
177009-53
NSN: 3110-00-156-5348
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter70.00 MILLIMETERS NOMINAL MM
overall_width3.1250 INCHES NOMINAL IN
load_directionANGULAR
surface_finishGROUND
style_designatorLOADING GROOVE, NON-SEPARABLE
overall_outside_diameter180.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
internal_fit-up_contact_angular_directionINWARD CONVERGENT
NSN3110-00-156-5348
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177009-53 · 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
•
LOAD DIRECTION: ANGULAR
•
STYLE DESIGNATOR: LOADING GROOVE, NON-SEPARABLE
•
BORE DIAMETER: 70.00 MILLIMETERS NOMINAL MM
•
INTERNAL FIT-UP CONTACT ANGULAR DIRECTION: INWARD CONVERGENT
•
SURFACE FINISH: GROUND
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
LOAD DIRECTIONANGULAR
OVERALL WIDTH3.1250 INCHES NOMINAL IN
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
BORE DIAMETER70.00 MILLIMETERS NOMINAL MM
LOAD DIRECTIONANGULAR
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
SURFACE FINISHGROUND
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
INTERNAL FIT-UP CONTACT ANGULAR DIRECTIONINWARD CONVERGENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5365PL0788732Interchangeable
interchangeable cross-reference
interchangeable
5414Interchangeable
interchangeable cross-reference
interchangeable
4998258Interchangeable
interchangeable cross-reference
interchangeable
8414Interchangeable
interchangeable cross-reference
interchangeable
ESL69644Interchangeable
interchangeable cross-reference
interchangeable
VC1A585-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 177009-53?
177009-53 is a BEARING,BALL,ANNULAR.
What parts can replace 177009-53?
There are 15 known substitutes for 177009-53: 5365PL0788732, 5414, 4998258 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 177009-53?
177009-53 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5348. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026