PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 88503X1270
88503X1270 ✓ 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: 0.6540 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-3502, 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
88503X1270
NSN: 3110-00-156-3502
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL BALL
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
lubrication_materialGREASE
overall_outside_diameter40.00 MILLIMETERS NOMINAL MM
NSN3110-00-156-3502
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 88503X1270 · 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
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SEAL QUANTITY: 2
•
BEARING SEAL TYPE: CONTACT
•
BORE DIAMETER: 17.00 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL OUTER RING
•
LOAD DIRECTION: RADIAL
•
LUBRICATION MATERIAL: GREASE
•
RETAINER FABRICATION METHOD: PRESSED
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
SEAL QUANTITY2
BEARING SEAL TYPECONTACT
BORE DIAMETER17.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
RETAINER FABRICATION METHODPRESSED
INNER RING WIDTH0.6540 INCHES NOMINAL IN
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
288503Interchangeable
interchangeable cross-reference
interchangeable
46911Interchangeable
interchangeable cross-reference
interchangeable
88503Interchangeable
interchangeable cross-reference
interchangeable
17060Interchangeable
interchangeable cross-reference
interchangeable
LInterchangeable
interchangeable cross-reference
interchangeable
120DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 88503X1270?
88503X1270 is a BEARING,BALL,ANNULAR.
What parts can replace 88503X1270?
There are 25 known substitutes for 88503X1270: 288503, 46911, 88503 and 22 more. Substitute compatibility should be verified for your specific system.
Is 88503X1270 still available?
88503X1270 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