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QF20304A5 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

QF20304A5: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.5886 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN, contact_angle: 25.0 DEGREES MAXIMUM, overall_width: 0.7872 INCHES MINIMUM AND 0.7875 INCHES MAXIMUM IN, load_direction: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-183-6923, 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
QF20304A5
NSN: 3110-00-183-6923
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43334 — GENERAL MOTORS CORP DELCO MORAINE NDH DIV (USA)
SPECIFICATIONS
materialSTEEL INNER RING
bore_shapeSTRAIGHT
bore_diameter0.5886 INCHES MINIMUM AND 0.5906 INCHES MAXIMUM IN
contact_angle25.0 DEGREES MAXIMUM
overall_width0.7872 INCHES MINIMUM AND 0.7875 INCHES MAXIMUM IN
load_directionANGULAR
surface_finishGROUND
special_featuresINTERNAL CLEARANCE MEASURED UNDER 3 LB LOAD LBS
style_designatorCOUNTERBORED OUTER RING, NON-SEPARABLE
internal_clearance0.0050 INCHES MINIMUM AXIAL AND 0.0060 INCHES MAXIMUM AXIAL IN
overall_outside_diameter2.0469 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
NSN3110-00-183-6923
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: QF20304A5 · 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 CLEARANCE: 0.0050 INCHES MINIMUM AXIAL AND 0.0060 INCHES MAXIMUM AXIAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: COUNTERBORED OUTER RING, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.0469 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
•
BORE SHAPE: STRAIGHT
•
CONTACT ANGLE: 25.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODMACHINED
INTERNAL CLEARANCE0.0050 INCHES MINIMUM AXIAL AND 0.0060 INCHES MAXIMUM AXIAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORCOUNTERBORED OUTER RING, NON-SEPARABLE
OVERALL WIDTH0.7872 INCHES MINIMUM AND 0.7875 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER2.0469 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
CONTACT ANGLE25.0 DEGREES MAXIMUM
LOAD DIRECTIONANGULAR
SPECIAL FEATURESINTERNAL CLEARANCE MEASURED UNDER 3 LB LOAD LBS
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 2
QF20304AA12768FReference document
Same NSN cross-reference
Reference document — Secondary reference
QF20304AN05Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QF20304A5?
QF20304A5 is a BEARING,BALL,ANNULAR.
What parts can replace QF20304A5?
There are 2 known substitutes for QF20304A5: QF20304AA12768F, QF20304AN05. Substitute compatibility should be verified for your specific system.
What is the NSN for QF20304A5?
QF20304A5 is cataloged in the U.S. Government catalog under NSN 3110-00-183-6923. 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.