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Technical Data Sheet
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BB16 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

BB16: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NICKEL ALLOY; 10.922 IN. LG; 4.500 IN.

DIA IN, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S. Government catalog under NSN 3110-00-278-7347, 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
BB16
NSN: 3110-00-278-7347
NIINs: 002787347, 012344882
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 66328 — BX-100 INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNICKEL ALLOY; 10.922 IN. LG; 4.500 IN. DIA IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN3110-00-278-7347
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: BB16 · 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 1
ST731Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB16?
BB16 is a BEARING,BALL,ANNULAR.
What parts can replace BB16?
There is 1 known substitute for BB16: ST731. Substitute compatibility should be verified for your specific system.
What is the NSN for BB16?
BB16 is cataloged in the U.S. Government catalog under NSN 3110-00-278-7347. This indicates validated use in U.S. government and defense supply chains.
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