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351 18 C — BEARING,ROLLER,THRUST

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

351 18 C: BEARING,ROLLER,THRUST.

The BEARING,ROLLER,THRUST is a the manufacturer industrial component. Key specifications include special_features: CUP: MEDIUM; CUP DIAMETER: 15.10MM; UPC 641064004834 MM, part_name_assigned_by_controlling_agency: MOUTHPIECE, TRUMPET, BACH SILVER 18C. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-117-0758, 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
351 18 C
NSN: 3110-00-117-0758
NIINs: 001170758, 015606783
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
special_featuresCUP: MEDIUM; CUP DIAMETER: 15.10MM; UPC 641064004834 MM
part_name_assigned_by_controlling_agencyMOUTHPIECE, TRUMPET, BACH SILVER 18C
NSN3110-00-117-0758
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 351 18 C · 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
•
SURFACE FINISH: UNGROUND
•
STYLE DESIGNATOR: TAPERED ROLLERS, BANDED OD
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
•
OVERALL OUTSIDE DIAMETER: 2.1875 INCHES MINIMUM AND 2.1975 INCHES MAXIMUM IN
•
ALIGNMENT TYPE: RIGID
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
SURFACE FINISHUNGROUND
STYLE DESIGNATORTAPERED ROLLERS, BANDED OD
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
OVERALL OUTSIDE DIAMETER2.1875 INCHES MINIMUM AND 2.1975 INCHES MAXIMUM IN
ALIGNMENT TYPERIGID
SPECIAL FEATURESBORE RADIUS 0.031 IN. IN
BORE DIAMETER1.2560 INCHES MINIMUM AND 1.2640 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 OR STEEL COMP E51100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
711121Reference document
Same NSN cross-reference
Reference document — Secondary reference
21C2222Reference document
Same NSN cross-reference
Reference document — Secondary reference
38394Reference document
Same NSN cross-reference
Reference document — Secondary reference
T126Reference document
Same NSN cross-reference
Reference document — Secondary reference
XB-01332Reference document
Same NSN cross-reference
Reference document — Secondary reference
5239213Reference 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 351 18 C?
351 18 C is a BEARING,ROLLER,THRUST.
What parts can replace 351 18 C?
There are 9 known substitutes for 351 18 C: 711121, 21C2222, 38394 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 351 18 C?
351 18 C is cataloged in the U.S. Government catalog under NSN 3110-00-117-0758. 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.