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Technical Data Sheet
PartsTable / COMPONENT / 488503X1C
488503X1C ✓ 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 INNER RING, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.6540 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-3506, 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
488503X1C
NSN: 3110-00-156-3506
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.6540 INCHES NOMINAL IN
outer_ring_width0.4720 INCHES NOMINAL IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
lubrication_materialGREASE
NSN3110-00-156-3506
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 488503X1C · 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
•
INNER RING WIDTH: 0.6540 INCHES NOMINAL IN
•
LOAD DIRECTION: RADIAL
•
BEARING SEAL TYPE: CONTACT
•
OUTER RING WIDTH: 0.4720 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
•
SEAL QUANTITY: 2
•
FEATURES PROVIDED: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
INNER RING WIDTH0.6540 INCHES NOMINAL IN
LOAD DIRECTIONRADIAL
BEARING SEAL TYPECONTACT
OUTER RING WIDTH0.4720 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
SEAL QUANTITY2
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
B-23Interchangeable
interchangeable cross-reference
interchangeable
S19785Interchangeable
interchangeable cross-reference
interchangeable
1756319Interchangeable
interchangeable cross-reference
interchangeable
FSN103PC5Interchangeable
interchangeable cross-reference
interchangeable
250Interchangeable
interchangeable cross-reference
interchangeable
IH3-1 GRAYInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 488503X1C?
488503X1C is a BEARING,BALL,ANNULAR.
What parts can replace 488503X1C?
There are 18 known substitutes for 488503X1C: B-23, S19785, 1756319 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 488503X1C?
488503X1C is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-3506. 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