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1300304 — BEARING,ROLLER,SELF-ALIGNING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

1300304: BEARING,ROLLER,SELF-ALIGNING.

The BEARING,ROLLER,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include cross-sectional_thickness: 0.016 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION, material_document_and_classification: MIL-P-20085 MIL SPEC ALL MATERIAL RESPONSES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-137-3121, 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
1300304
NSN: 3110-00-137-3121
NIINs: 001373121, 003893689
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 72233 — COUNTRY CATERERS BBQ INC. DBA COUNTRY CATERER'S USE CAGE CODE 0MM69 FOR CATALOGING (USA)
SPECIFICATIONS
cross-sectional_thickness0.016 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-P-20085 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN3110-00-137-3121
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1300304 · 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
•
INTERNAL CLEARANCE: 0.0014 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
OVERALL OUTSIDE DIAMETER: 190.00 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
•
STANDARD TOLERANCE DESIGNATION: RBEC NO.1
•
BORE DIAMETER: 90.00 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
INTERNAL CLEARANCE0.0014 INCHES MINIMUM RADIAL AND 0.0026 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
OVERALL WIDTH2.8750 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER190.00 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
SPECIAL FEATURESDOUBLE ROW; SPHERICAL ROLLERS; OUTER RING EXTENDS BOTH SIDES; OUTER RING EXTENDS BOTH SIDES; OUTER RING EXTENDS 0.2667 ON ONE SIDE MARKED THRUST
STANDARD TOLERANCE DESIGNATIONRBEC NO.1
BORE DIAMETER90.00 MILLIMETERS NOMINAL MM
MATERIALSTEEL OUTER RING
MATERIALSTEEL INNER RING
SUBSTITUTES & CROSS-REFERENCES 1
1300304AMReference document
Same NSN cross-reference
Reference document — Secondary reference
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 1300304?
1300304 is a BEARING,ROLLER,SELF-ALIGNING.
What parts can replace 1300304?
There is 1 known substitute for 1300304: 1300304AM. Substitute compatibility should be verified for your specific system.
What is the NSN for 1300304?
1300304 is cataloged in the U.S. Government catalog under NSN 3110-00-137-3121. 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.