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Technical Data Sheet
PartsTable / COMPONENT / TC-105
TC-105 ✓ 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

MOUNTING BASE,TIE DOWN,ELECTRICA. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 20.00 MILLIMETERS NOMINAL MM, overall_width: 15.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-5199, 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
TC-105
NSN: 3110-00-156-5199
FSC: 3110
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter20.00 MILLIMETERS NOMINAL MM
overall_width15.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
overall_outside_diameter52.00 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-156-5199
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TC-105 · 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
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
MATERIAL: STEEL OUTER RING
•
OVERALL OUTSIDE DIAMETER: 52.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL FIT-UP DESIGNATIONSTANDARD
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
MATERIALSTEEL BALL
OVERALL OUTSIDE DIAMETER52.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
OVERALL WIDTH15.00 MILLIMETERS NOMINAL MM
SURFACE FINISHGROUND
STANDARD TOLERANCE DESIGNATIONABEC NO.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
304BInterchangeable
interchangeable cross-reference
interchangeable
113523PC271Interchangeable
interchangeable cross-reference
interchangeable
304RInterchangeable
interchangeable cross-reference
interchangeable
87-0120Interchangeable
interchangeable cross-reference
interchangeable
RXA1315BInterchangeable
interchangeable cross-reference
interchangeable
304APLUGInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TC-105?
TC-105 is a MOUNTING BASE,TIE DOWN,ELECTRICA.
What parts can replace TC-105?
There are 13 known substitutes for TC-105: 304B, 113523PC271, 304R and 10 more. Substitute compatibility should be verified for your specific system.
Is TC-105 still available?
TC-105 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