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Technical Data Sheet
PartsTable / COMPONENT / BACB10A643A
BACB10A643A ✓ 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, overall_length: 4.500 INCHES NOMINAL IN, style_designator: L-HANDLE, features_provided: BALL END AND LONG SERIES, surface_treatment: OXIDE OVERALL, wrenching_surface_size: 4.5 MILLIMETERS NOMINAL BOTH ENDS MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-903-5073, 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
BACB10A643A
NSN: 3110-00-903-5073
FSC: 3110
CAGE: 06144 — INDUSTRIAL TECTONICS BEARINGS CORPORATION DBA RBC BEARINGS INC DIV INDUSTRIAL TECTONICS BEARINGS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.500 INCHES NOMINAL IN
style_designatorL-HANDLE
features_providedBALL END AND LONG SERIES
surface_treatmentOXIDE OVERALL
wrenching_surface_size4.5 MILLIMETERS NOMINAL BOTH ENDS MM
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN3110-00-903-5073
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BACB10A643A · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8310Interchangeable
interchangeable cross-reference
interchangeable
15762Interchangeable
interchangeable cross-reference
interchangeable
587E001Interchangeable
interchangeable cross-reference
interchangeable
38-1434Interchangeable
interchangeable cross-reference
interchangeable
8108410Interchangeable
interchangeable cross-reference
interchangeable
4251644-03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACB10A643A?
BACB10A643A is a BEARING,BALL,ANNULAR.
What parts can replace BACB10A643A?
There are 12 known substitutes for BACB10A643A: 8310, 15762, 587E001 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB10A643A?
BACB10A643A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-903-5073. 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