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Technical Data Sheet
PartsTable / COMPONENT / 88503XR1V
88503XR1V ✓ 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 BALL, bore_shape: STRAIGHT, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND, inner_ring_width: 0.6536 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 3110-00-236-3557, 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
88503XR1V
NSN: 3110-00-236-3557
FSC: 3110
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_shapeSTRAIGHT
bore_diameter17.00 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
inner_ring_width0.6536 INCHES NOMINAL IN
outer_ring_width12.00 MILLIMETERS NOMINAL MM
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
lubrication_materialGREASE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
NSN3110-00-236-3557
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 88503XR1V · 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
•
OVERALL OUTSIDE DIAMETER: 40.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
OUTER RING WIDTH: 12.00 MILLIMETERS NOMINAL MM
•
RETAINER FABRICATION METHOD: PRESSED
•
SEAL QUANTITY: 2
•
LUBRICATION MATERIAL: GREASE
•
BEARING SEAL TYPE: CONTACT
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER40.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
OUTER RING WIDTH12.00 MILLIMETERS NOMINAL MM
RETAINER FABRICATION METHODPRESSED
SEAL QUANTITY2
LUBRICATION MATERIALGREASE
BEARING SEAL TYPECONTACT
STANDARD TOLERANCE DESIGNATIONABEC NO.1
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONDOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
288503Interchangeable
interchangeable cross-reference
interchangeable
46911Interchangeable
interchangeable cross-reference
interchangeable
88503Interchangeable
interchangeable cross-reference
interchangeable
253895Interchangeable
interchangeable cross-reference
interchangeable
3180400Interchangeable
interchangeable cross-reference
interchangeable
A46911Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88503XR1V?
88503XR1V is a BEARING,BALL,ANNULAR.
What parts can replace 88503XR1V?
There are 7 known substitutes for 88503XR1V: 288503, 46911, 88503 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 88503XR1V?
88503XR1V is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-236-3557. 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