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212959-18 — RETAINER ASSEMBLY

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

212959-18: RETAINER ASSEMBLY.

The RETAINER ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 4.172 IN. MIN AND 4.234 IN.

MAX O/A ASSY LG; 10 BALLS,0.1875 IN. NOM DIA,MS19059-4812 IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-164-5740, 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
212959-18
NSN: 3110-01-164-5740
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
general_characteristics_item_description4.172 IN. MIN AND 4.234 IN. MAX O/A ASSY LG; 10 BALLS,0.1875 IN. NOM DIA,MS19059-4812 IN
NSN3110-01-164-5740
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 212959-18 · 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
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 4.172 IN. MIN AND 4.234 IN. MAX O/A ASSY LG; 10 BALLS,0.1875 IN. NOM DIA,MS19059-4812 IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION4.172 IN. MIN AND 4.234 IN. MAX O/A ASSY LG; 10 BALLS,0.1875 IN. NOM DIA,MS19059-4812 IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 212959-18?
212959-18 is a RETAINER ASSEMBLY.
What is the NSN for 212959-18?
212959-18 is cataloged in the U.S. Government catalog under NSN 3110-01-164-5740. 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.