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445-9970 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

445-9970: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 3110-01-214-4789, 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
445-9970
NSN: 3110-01-214-4789
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
Part Number445-9970
NSN3110-01-214-4789
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 445-9970 · 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 4
2213 2131-120Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
011286Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HE011286Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90964-991Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 445-9970?
445-9970 is a BEARING,BALL,ANNULAR.
What parts can replace 445-9970?
There are 4 known substitutes for 445-9970: 2213 2131-120, 011286, HE011286 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 445-9970?
445-9970 is cataloged in the U.S. Government catalog under NSN 3110-01-214-4789. 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.