PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 177003-45
177003-45 ✓ 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: GREASE LUBRICATION, bore_diameter: 30.0 MILLIMETERS NOMINAL MM, overall_width: 19.0 MILLIMETERS NOMINAL MM, load_direction: ANGULAR, surface_finish: GROUND, overall_outside_diameter: 72.0 MILLIMETERS NOMINAL MM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-8022, 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
177003-45
NSN: 3110-00-156-8022
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialGREASE LUBRICATION
bore_diameter30.0 MILLIMETERS NOMINAL MM
overall_width19.0 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
overall_outside_diameter72.0 MILLIMETERS NOMINAL MM
bearing_preload_designationLIGHT
nondefinitive_spec/std_data00 GRADE AND 134 TYPE
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.1
lubrication_material_document_and_classificationMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-156-8022
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177003-45 · 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
•
NONDEFINITIVE SPEC/STD DATA: 00 GRADE AND 134 TYPE
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
•
LOAD DIRECTION: ANGULAR
•
RETAINER FABRICATION METHOD: MACHINED
•
MATERIAL: GREASE LUBRICATION
•
BEARING PRELOAD DESIGNATION: LIGHT
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA00 GRADE AND 134 TYPE
OVERALL WIDTH19.0 MILLIMETERS NOMINAL MM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
LOAD DIRECTIONANGULAR
RETAINER FABRICATION METHODMACHINED
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALGREASE LUBRICATION
BEARING PRELOAD DESIGNATIONLIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LOAD DIRECTIONANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
303-06Interchangeable
interchangeable cross-reference
interchangeable
52008Interchangeable
interchangeable cross-reference
interchangeable
45006Interchangeable
interchangeable cross-reference
interchangeable
452Interchangeable
interchangeable cross-reference
interchangeable
5066GInterchangeable
interchangeable cross-reference
interchangeable
688-PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 177003-45?
177003-45 is a BEARING,BALL,ANNULAR.
What parts can replace 177003-45?
There are 21 known substitutes for 177003-45: 303-06, 52008, 45006 and 18 more. Substitute compatibility should be verified for your specific system.
Is 177003-45 still available?
177003-45 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026