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30-20839T — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

30-20839T: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include end_item_identification: MERCURY OUTBOARD MOTOR 27ML, 40HP, part_name_assigned_by_controlling_agency: GEAR BEARING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-554-5304, 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
30-20839T
NSN: 3110-00-554-5304
NIINs: 005545304, 015160094, 015176300
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 88907 — BRUNSWICK CORP DBA MERCURY MARINE DIV MERCURY MARINE (USA)
SPECIFICATIONS
end_item_identificationMERCURY OUTBOARD MOTOR 27ML, 40HP
part_name_assigned_by_controlling_agencyGEAR BEARING
NSN3110-00-554-5304
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 30-20839T · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 62.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH14.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER62.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BORE DIAMETER35.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 9
2560297Reference document
Same NSN cross-reference
Reference document — Secondary reference
P9618545-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
743458Reference document
Same NSN cross-reference
Reference document — Secondary reference
6007CE1TX9Reference document
Same NSN cross-reference
Reference document — Secondary reference
107KSQ6B7Reference document
Same NSN cross-reference
Reference document — Secondary reference
3L07X1Reference 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 30-20839T?
30-20839T is a BEARING,BALL,ANNULAR.
What parts can replace 30-20839T?
There are 9 known substitutes for 30-20839T: 2560297, P9618545-1, 743458 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30-20839T?
30-20839T is cataloged in the U.S. Government catalog under NSN 3110-00-554-5304. 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.