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Technical Data Sheet
PartsTable / COMPONENT / 4D3848
4D3848 ✓ 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 cone_width: 1.8375 INCHES NOMINAL IN, bore_diameter: 3.2500 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2650 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-087-0237, 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
4D3848
NSN: 3110-00-087-0237
FSC: 3110
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
cone_width1.8375 INCHES NOMINAL IN
bore_diameter3.2500 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2650 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN3110-00-087-0237
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4D3848 · 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 DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
BORE DIAMETER: 3.2500 INCHES NOMINAL IN
•
CONE WIDTH: 1.8375 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.2650 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
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
BORE DIAMETER3.2500 INCHES NOMINAL IN
CONE WIDTH1.8375 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.2650 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
750AInterchangeable
interchangeable cross-reference
interchangeable
430-8273Interchangeable
interchangeable cross-reference
interchangeable
A2118Interchangeable
interchangeable cross-reference
interchangeable
SAE J512 3 060115BInterchangeable
interchangeable cross-reference
interchangeable
60F03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4D3848?
4D3848 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 4D3848?
There are 5 known substitutes for 4D3848: 750A, 430-8273, A2118 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4D3848?
4D3848 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-087-0237. 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