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23017878 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

23017878: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hardness_rating: 70.0 BRINELL STANDARD MINIMUM AND 90.0 BRINELL STANDARD MAXIMUM, minor_thickness: 0.100 INCHES NOMINAL IN, outside_diameter: 7.283 INCHES MINIMUM AND 7.285 INCHES MAXIMUM IN, aperture_diameter: 2.330 INCHES NOMINAL IN, counterbore_depth: 0.580 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-218-3395, 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
23017878
NSN: 3110-01-218-3395
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hardness_rating70.0 BRINELL STANDARD MINIMUM AND 90.0 BRINELL STANDARD MAXIMUM
minor_thickness0.100 INCHES NOMINAL IN
outside_diameter7.283 INCHES MINIMUM AND 7.285 INCHES MAXIMUM IN
special_featuresSIX ROUND UNTHREADED MOUNTING HOLES,UNEQUALLY SPACED ON A 6.4040 IN. DIA BOLT CIRCLE; TWO ADDITIONAL MOUNTING HOLES,0.375 IN.-16 UNC 1B EQUALLY SPACED ON A 6.4040 IN. DIA BOLT CIRCLE IN
aperture_diameter2.330 INCHES NOMINAL IN
counterbore_depth0.580 INCHES NOMINAL IN
overall_thickness0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
mounting_hole_typeROUND, UNTHREADED
counterbore_diameter2.6728 INCHES MINIMUM AND 2.6738 INCHES MAXIMUM IN
raised_surface_height0.260 INCHES NOMINAL IN
mounting_hole_diameter0.414 INCHES NOMINAL IN
NSN3110-01-218-3395
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 23017878 · 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
•
MINOR THICKNESS: 0.100 INCHES NOMINAL IN
•
RAISED SURFACE HEIGHT: 0.260 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: ROUND, UNTHREADED
•
COUNTERBORE DIAMETER: 2.6728 INCHES MINIMUM AND 2.6738 INCHES MAXIMUM IN
•
COUNTERBORE DEPTH: 0.580 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 BRINELL STANDARD MINIMUM AND 90.0 BRINELL STANDARD MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J453,GRADE 322-T71 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
MINOR THICKNESS0.100 INCHES NOMINAL IN
RAISED SURFACE HEIGHT0.260 INCHES NOMINAL IN
MOUNTING HOLE TYPEROUND, UNTHREADED
COUNTERBORE DIAMETER2.6728 INCHES MINIMUM AND 2.6738 INCHES MAXIMUM IN
COUNTERBORE DEPTH0.580 INCHES NOMINAL IN
OVERALL THICKNESS0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
HARDNESS RATING70.0 BRINELL STANDARD MINIMUM AND 90.0 BRINELL STANDARD MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J453,GRADE 322-T71 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.414 INCHES NOMINAL IN
OUTSIDE DIAMETER7.283 INCHES MINIMUM AND 7.285 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23017878?
23017878 is a PLATE,RETAINING,BEARING.
What is the NSN for 23017878?
23017878 is cataloged in the U.S. Government catalog under NSN 3110-01-218-3395. This indicates validated use in U.S. government and defense supply chains.
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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.