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77500-3 — BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

77500-3: BEARING.

The BEARING is a the manufacturer industrial component. Key specifications include width: 0.750 INCHES NOMINAL IN, length: 7.312 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.003 INCHES NOMINAL IN, attachment_method: ADHESIVE, basic_shape_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-417-0949, 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
77500-3
NSN: 3110-00-417-0949
NIINs: 004170949, 011214988, 017150179
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 53800 — SEARS, ROEBUCK AND CO. DBA SEARS DIV SEARS COMMERCIAL (USA)
SPECIFICATIONS
width0.750 INCHES NOMINAL IN
length7.312 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.003 INCHES NOMINAL IN
attachment_methodADHESIVE
basic_shape_styleRECTANGULAR
features_providedPRESSURE SENSITIVE ADHESIVE TAPE
material_document_and_classificationQQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-417-0949
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77500-3 · 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
SUBSTITUTES & CROSS-REFERENCES 1
STD315233Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 77500-3?
77500-3 is a BEARING.
What parts can replace 77500-3?
There is 1 known substitute for 77500-3: STD315233. Substitute compatibility should be verified for your specific system.
What is the NSN for 77500-3?
77500-3 is cataloged in the U.S. Government catalog under NSN 3110-00-417-0949. 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.