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Technical Data Sheet
PartsTable / COMPONENT / TCA394
TCA394 ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 12.00 MILLIMETERS NOMINAL MM, overall_width: 9.00 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8497, 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
TCA394
NSN: 3110-00-144-8497
FSC: 3110
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter12.00 MILLIMETERS NOMINAL MM
overall_width9.00 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter37.0 MILLIMETERS NOMINAL MM
internal_fit-up_designationSTANDARD
standard_tolerance_designationABEC NO.1
NSN3110-00-144-8497
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: TCA394 · 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: 12.00 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 37.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
MATERIAL: STEEL OVERALL
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER12.00 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER37.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
MATERIALSTEEL OVERALL
INTERNAL FIT-UP DESIGNATIONSTANDARD
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
OVERALL WIDTH9.00 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1UInterchangeable
interchangeable cross-reference
interchangeable
1SC1-BInterchangeable
interchangeable cross-reference
interchangeable
1-1HBZBInterchangeable
interchangeable cross-reference
interchangeable
1L-2Interchangeable
interchangeable cross-reference
interchangeable
1HInterchangeable
interchangeable cross-reference
interchangeable
C-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TCA394?
TCA394 is a BEARING,BALL,ANNULAR.
What parts can replace TCA394?
There are 18 known substitutes for TCA394: 1U, 1SC1-B, 1-1HBZB and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TCA394?
TCA394 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8497. 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