PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 177003-63
177003-63 ✓ 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: 20.00 MILLIMETERS NOMINAL MM, contact_angle: 25.0 DEGREES MINIMUM, overall_width: 19.00 MILLIMETERS NOMINAL MM, load_direction: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7531, 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
177003-63
NSN: 3110-00-156-7531
FSC: 3110
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
contact_angle25.0 DEGREES MINIMUM
overall_width19.00 MILLIMETERS NOMINAL MM
load_directionANGULAR
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter72.00 MILLIMETERS NOMINAL MM
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-156-7531
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 177003-63 · 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
•
CONTACT ANGLE: 25.0 DEGREES MINIMUM
•
LOAD DIRECTION: ANGULAR
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT ANGLE25.0 DEGREES MINIMUM
LOAD DIRECTIONANGULAR
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL OVERALL
LOAD DIRECTIONANGULAR
CONTACT ANGLE25.0 DEGREES MINIMUM
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
OVERALL WIDTH19.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
7404Interchangeable
interchangeable cross-reference
interchangeable
D2-9864-306Interchangeable
interchangeable cross-reference
interchangeable
586-326Interchangeable
interchangeable cross-reference
interchangeable
35474040-1001Interchangeable
interchangeable cross-reference
interchangeable
0301-8490Interchangeable
interchangeable cross-reference
interchangeable
QB500-47798Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 177003-63?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 177003-63?
177003-63 is a BEARING,BALL,ANNULAR.
What parts can replace 177003-63?
There are 23 known substitutes for 177003-63: 7404, D2-9864-306, 586-326 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 177003-63?
177003-63 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-7531. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
Loading comments...
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 177003-63

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026