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7979489 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

7979489: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include length: 2.480 INCHES NOMINAL IN, material: STEEL OVERALL, minor_thickness: 0.095 INCHES MINIMUM IN, style_designator: SQUARE, aperture_diameter: 1.228 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN, overall_thickness: 0.179 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-182-8489, 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
7979489
NSN: 3110-00-182-8489
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length2.480 INCHES NOMINAL IN
materialSTEEL OVERALL
minor_thickness0.095 INCHES MINIMUM IN
style_designatorSQUARE
aperture_diameter1.228 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN
overall_thickness0.179 INCHES NOMINAL IN
mounting_hole_typeROUND, UNTHREADED
counterbore_diameter1.302 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
mounting_hole_diameter0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
cross-sectional_shape_styleCOUNTERBORED W/ APERTURE
mounting_hole_arrangement_styleFOUR HOLES
distance_between_holes_along_width1.720 INCHES NOMINAL IN
NSN3110-00-182-8489
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 7979489 · 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
•
LENGTH: 2.480 INCHES NOMINAL IN
•
MINOR THICKNESS: 0.095 INCHES MINIMUM IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.720 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
COUNTERBORE DIAMETER: 1.302 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: FOUR HOLES
•
OVERALL THICKNESS: 0.179 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.720 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH2.480 INCHES NOMINAL IN
MINOR THICKNESS0.095 INCHES MINIMUM IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.720 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
COUNTERBORE DIAMETER1.302 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLEFOUR HOLES
OVERALL THICKNESS0.179 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.720 INCHES NOMINAL IN
STYLE DESIGNATORSQUARE
MOUNTING HOLE DIAMETER0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7979489?
7979489 is a PLATE,RETAINING,BEARING.
What is the NSN for 7979489?
7979489 is cataloged in the U.S. Government catalog under NSN 3110-00-182-8489. 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.