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Technical Data Sheet
PartsTable / COMPONENT / 4B7941
4B7941 ✓ 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: 1.8375 INCHES NOMINAL IN, bore_diameter: 3.1875 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.2031 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 3110-00-100-0677, 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
4B7941
NSN: 3110-00-100-0677
FSC: 3110
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cone_width1.8375 INCHES NOMINAL IN
bore_diameter3.1875 INCHES NOMINAL IN
style_designatorNORMAL ANGLE
cone_corner_radius0.2031 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-100-0677
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 4B7941 · 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
•
BORE DIAMETER: 3.1875 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE CORNER RADIUS: 0.2031 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE WIDTH: 1.8375 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)
BORE DIAMETER3.1875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE CORNER RADIUS0.2031 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
CONE WIDTH1.8375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1428HInterchangeable
interchangeable cross-reference
interchangeable
W201Interchangeable
interchangeable cross-reference
interchangeable
5182Interchangeable
interchangeable cross-reference
interchangeable
8810Interchangeable
interchangeable cross-reference
interchangeable
6110Interchangeable
interchangeable cross-reference
interchangeable
9326Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B7941?
4B7941 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 4B7941?
There are 17 known substitutes for 4B7941: 1428H, W201, 5182 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4B7941?
4B7941 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0677. 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