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Technical Data Sheet
PartsTable / COMPONENT / 188248
188248 ✓ 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

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 1.6250 INCHES NOMINAL IN, bore_diameter: 2.8125 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2500 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0665, 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
188248
NSN: 3110-00-100-0665
FSC: 3110
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.6250 INCHES NOMINAL IN
bore_diameter2.8125 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2500 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0665
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 188248 · 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
•
STYLE DESIGNATOR: NORMAL ANGLE
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.2500 INCHES NOMINAL IN
•
BORE DIAMETER: 2.8125 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 1.6250 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORNORMAL ANGLE
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.2500 INCHES NOMINAL IN
BORE DIAMETER2.8125 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH1.6250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
904750-1Interchangeable
interchangeable cross-reference
interchangeable
645Interchangeable
interchangeable cross-reference
interchangeable
4400Interchangeable
interchangeable cross-reference
interchangeable
676Interchangeable
interchangeable cross-reference
interchangeable
28820Interchangeable
interchangeable cross-reference
interchangeable
112-505PC24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 188248?
188248 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 188248?
There are 20 known substitutes for 188248: 904750-1, 645, 4400 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 188248?
188248 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0665. 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