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30BC10 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

30BC10: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include surface_finish: GROUND, internal_fit-up_designation: STANDARD, retainer_fabrication_method: PRESSED, standard_tolerance_designation: ABEC NO.1. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-5407, 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
30BC10
NSN: 3110-00-554-5407
NIINs: 005545407, 014581012
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70413 — ANTI-FRICTION BEARING MFG ASSN INC THE (USA)
SPECIFICATIONS
surface_finishGROUND
internal_fit-up_designationSTANDARD
retainer_fabrication_methodPRESSED
standard_tolerance_designationABEC NO.1
NSN3110-00-554-5407
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30BC10 · 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
SUBSTITUTES & CROSS-REFERENCES 9
451590R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
860668Reference document
Same NSN cross-reference
Reference document — Secondary reference
2002764Reference document
Same NSN cross-reference
Reference document — Secondary reference
91610753Reference document
Same NSN cross-reference
Reference document — Secondary reference
3L06X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
4254785Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30BC10?
30BC10 is a BEARING,BALL,ANNULAR.
What parts can replace 30BC10?
There are 9 known substitutes for 30BC10: 451590R91, 860668, 2002764 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30BC10?
30BC10 is cataloged in the U.S. Government catalog under NSN 3110-00-554-5407. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.