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Q30304-DT — BEARING,BALL,DUPLEX

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

Q30304-DT: BEARING,BALL,DUPLEX.

The BEARING,BALL,DUPLEX is a the manufacturer industrial component. Key specifications include material: STEEL BALL, bore_diameter: 0.78725 INCHES MINIMUM AND 0.78740 INCHES MAXIMUM IN, overall_width: 1.1610 INCHES MINIMUM AND 1.1810 INCHES MAXIMUM IN, load_direction: ANGULAR, surface_finish: GROUND, special_features: CONTACT ANGLE 35 DEG; PAIR OF BEARINGS FOR DUPLEX MOUNTING FURNISHED AS A MATCHED SET. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-030-0480, 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
Q30304-DT
NSN: 3110-01-030-0480
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL BALL
bore_diameter0.78725 INCHES MINIMUM AND 0.78740 INCHES MAXIMUM IN
overall_width1.1610 INCHES MINIMUM AND 1.1810 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_featuresCONTACT ANGLE 35 DEG; PAIR OF BEARINGS FOR DUPLEX MOUNTING FURNISHED AS A MATCHED SET
style_designatorCOUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING
overall_outside_diameter2.0470 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
internal_fit-up_designationSTANDARD
retainer_fabrication_methodMACHINED
standard_tolerance_designationABEC NO.7
NSN3110-01-030-0480
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: Q30304-DT · 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: MACHINED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING
•
OVERALL OUTSIDE DIAMETER: 2.0470 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
•
LOAD DIRECTION: ANGULAR
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, TANDEM MOUNTING
OVERALL WIDTH1.1610 INCHES MINIMUM AND 1.1810 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.0470 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
LOAD DIRECTIONANGULAR
SPECIAL FEATURESCONTACT ANGLE 35 DEG; PAIR OF BEARINGS FOR DUPLEX MOUNTING FURNISHED AS A MATCHED SET
STANDARD TOLERANCE DESIGNATIONABEC NO.7
BORE DIAMETER0.78725 INCHES MINIMUM AND 0.78740 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 1
2836225Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is Q30304-DT?
Q30304-DT is a BEARING,BALL,DUPLEX.
What parts can replace Q30304-DT?
There is 1 known substitute for Q30304-DT: 2836225. Substitute compatibility should be verified for your specific system.
What is the NSN for Q30304-DT?
Q30304-DT is cataloged in the U.S. Government catalog under NSN 3110-01-030-0480. 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.