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QJ 304 MA — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

QJ 304 MA: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.7874 INCHES NOMINAL IN, overall_width: 0.5906 INCHES NOMINAL IN, surface_finish: GROUND, style_designator: 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-411-6915, 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
QJ 304 MA
NSN: 3110-01-411-6915
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 52676 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.7874 INCHES NOMINAL IN
overall_width0.5906 INCHES NOMINAL IN
surface_finishGROUND
style_designator4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
overall_outside_diameter2.0472 INCHES NOMINAL IN
NSN3110-01-411-6915
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: QJ 304 MA · 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
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 2.0472 INCHES NOMINAL IN
•
BORE SHAPE: STRAIGHT
•
BORE DIAMETER: 0.7874 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISHGROUND
STYLE DESIGNATOR4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
OVERALL WIDTH0.5906 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER2.0472 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
BORE DIAMETER0.7874 INCHES NOMINAL IN
MATERIALSTEEL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QJ 304 MA?
QJ 304 MA is a BEARING,BALL,ANNULAR.
What is the NSN for QJ 304 MA?
QJ 304 MA is cataloged in the U.S. Government catalog under NSN 3110-01-411-6915. 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.