PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 77503XR1C
77503XR1C ✓ 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: 17.00 MILLIMETERS NOMINAL MM, overall_width: 12.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, 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 3110-00-066-3073, 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
77503XR1C
NSN: 3110-00-066-3073
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width12.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
lubrication_materialGREASE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-066-3073
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77503XR1C · 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
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
SHIELD QUANTITY: 2
•
SURFACE FINISH: GROUND
•
LUBRICATION MATERIAL: GREASE
•
MATERIAL: STEEL OVERALL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SHIELD QUANTITY2
SURFACE FINISHGROUND
LUBRICATION MATERIALGREASE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH12.0 MILLIMETERS NOMINAL MM
LOAD DIRECTIONRADIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
03031-50Interchangeable
interchangeable cross-reference
interchangeable
3B4128Interchangeable
interchangeable cross-reference
interchangeable
A9834Interchangeable
interchangeable cross-reference
interchangeable
5182648-12Interchangeable
interchangeable cross-reference
interchangeable
0100807-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 77503XR1C?
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 77503XR1C?
77503XR1C is a BEARING,BALL,ANNULAR.
What parts can replace 77503XR1C?
There are 5 known substitutes for 77503XR1C: 03031-50, 3B4128, A9834 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77503XR1C?
77503XR1C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-066-3073. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 77503XR1C

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