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3838Y77 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

3838Y77: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: IRON CAST OVERALL, outside_diameter: 6.125 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 4.123 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN, surface_treatment: PAINT OVERALL, nominal_thread_size: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-487-1471, 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
3838Y77
NSN: 3110-00-487-1471
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
outside_diameter6.125 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter4.123 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
surface_treatmentPAINT OVERALL
nominal_thread_size0.375 INCHES IN
raised_surface_height1.062 INCHES NOMINAL IN
thread_quantity_per_inch16
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
mounting_bolt_circle_diameter5.500 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN3110-00-487-1471
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3838Y77 · 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
•
RAISED SURFACE HEIGHT: 1.062 INCHES NOMINAL IN
•
MOUNTING HOLE ARRANGEMENT STYLE: SINGLE BOLT HOLE CIRCLE
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 6.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.123 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
MOUNTING BOLT CIRCLE DIAMETER: 5.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PAINT OVERALL
TECHNICAL CHARACTERISTICS
RAISED SURFACE HEIGHT1.062 INCHES NOMINAL IN
MOUNTING HOLE ARRANGEMENT STYLESINGLE BOLT HOLE CIRCLE
STYLE DESIGNATORROUND
OUTSIDE DIAMETER6.125 INCHES NOMINAL IN
APERTURE DIAMETER4.123 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.375 INCHES IN
MOUNTING BOLT CIRCLE DIAMETER5.500 INCHES NOMINAL IN
SURFACE TREATMENTPAINT OVERALL
THREAD QUANTITY PER INCH16
MATERIALIRON CAST OVERALL
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3838Y77?
3838Y77 is a PLATE,RETAINING,BEARING.
What is the NSN for 3838Y77?
3838Y77 is cataloged in the U.S. Government catalog under NSN 3110-00-487-1471. 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.