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BB18 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BB18: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, blade_shape: BALL, special_features: DESIGNED TO CONDENSE,SMOOTH, AND POLISH AMALGAM. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-155-6716, 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
BB18
NSN: 3110-00-155-6716
NIINs: 001556716, 014976476, 016259444
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24047 — COOPER INDUSTRIES INC DBA COOPER TOOLS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
blade_shapeBALL
special_featuresDESIGNED TO CONDENSE,SMOOTH, AND POLISH AMALGAM
NSN3110-00-155-6716
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB18 · 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
397333Reference document
Same NSN cross-reference
Reference document — Secondary reference
364947Reference document
Same NSN cross-reference
Reference document — Secondary reference
2595Reference document
Same NSN cross-reference
Reference document — Secondary reference
P11000Reference document
Same NSN cross-reference
Reference document — Secondary reference
1209Reference document
Same NSN cross-reference
Reference document — Secondary reference
0058968-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB18?
BB18 is a BEARING,BALL,ANNULAR.
What parts can replace BB18?
There are 9 known substitutes for BB18: 397333, 364947, 2595 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB18?
BB18 is cataloged in the U.S. Government catalog under NSN 3110-00-155-6716. 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.