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337337-18 — BALL,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

337337-18: BALL,BEARING.

The BALL,BEARING is a the manufacturer industrial component. Key specifications include material: TUNGSTEN CARBIDE OVERALL, style_designator: BALL, rolling_element_diameter: 0.5000 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 200, material_document_and_classification: MIL-B-1083,GR 12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-197-0739, 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
337337-18
NSN: 3110-01-197-0739
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialTUNGSTEN CARBIDE OVERALL
style_designatorBALL
rolling_element_diameter0.5000 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 200
material_document_and_classificationMIL-B-1083,GR 12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3110-01-197-0739
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 337337-18 · 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
•
ROLLING ELEMENT DIAMETER: 0.5000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-1083,GR 12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STANDARD TOLERANCE DESIGNATION: AFBMA STD TOLERANCE FOR BALLS, GRADE 200
•
MATERIAL: TUNGSTEN CARBIDE OVERALL
TECHNICAL CHARACTERISTICS
ROLLING ELEMENT DIAMETER0.5000 INCHES NOMINAL IN
STYLE DESIGNATORBALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-1083,GR 12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STANDARD TOLERANCE DESIGNATIONAFBMA STD TOLERANCE FOR BALLS, GRADE 200
MATERIALTUNGSTEN CARBIDE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
2731876 PIECE 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 337337-18?
337337-18 is a BALL,BEARING.
What parts can replace 337337-18?
There is 1 known substitute for 337337-18: 2731876 PIECE 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 337337-18?
337337-18 is cataloged in the U.S. Government catalog under NSN 3110-01-197-0739. 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.