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Technical Data Sheet
PartsTable / COMPONENT / T104A
T104A ✓ 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 length: 0.438 INCHES NOMINAL SQUARE END IN, material: STEEL OVERALL, cone_width: 1.4240 INCHES NOMINAL IN, bore_diameter: 2.8750 INCHES NOMINAL IN, thread_length: 1.656 INCHES MINIMUM IN, overall_length: 3.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0286, 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
T104A
NSN: 3110-00-100-0286
FSC: 3110
CAGE: 09136 — BAY CITY SHOVELS, INC (USA)
SPECIFICATIONS
length0.438 INCHES NOMINAL SQUARE END IN
materialSTEEL OVERALL
cone_width1.4240 INCHES NOMINAL IN
bore_diameter2.8750 INCHES NOMINAL IN
thread_length1.656 INCHES MINIMUM IN
overall_length3.375 INCHES NOMINAL IN
shank_diameter0.367 INCHES NOMINAL IN
style_designatorSTRAIGHT FLUTE
thread_directionRIGHT-HAND
thread_structureREGULAR
cone_corner_radius0.1406 INCHES NOMINAL IN
width_across_flats0.275 INCHES NOMINAL IN
NSN3110-00-100-0286
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T104A · 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
•
MATERIAL: STEEL OVERALL
•
CONE CORNER RADIUS: 0.1406 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE WIDTH: 1.4240 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 2.8750 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)
MATERIALSTEEL OVERALL
CONE CORNER RADIUS0.1406 INCHES NOMINAL IN
STYLE DESIGNATORNORMAL ANGLE
CONE WIDTH1.4240 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER2.8750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
10171NInterchangeable
interchangeable cross-reference
interchangeable
854220Interchangeable
interchangeable cross-reference
interchangeable
41193-101-7Interchangeable
interchangeable cross-reference
interchangeable
567Interchangeable
interchangeable cross-reference
interchangeable
114-6167Interchangeable
interchangeable cross-reference
interchangeable
114-6135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T104A?
T104A is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace T104A?
There are 25 known substitutes for T104A: 10171N, 854220, 41193-101-7 and 22 more. Substitute compatibility should be verified for your specific system.
Is T104A still available?
T104A 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