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Technical Data Sheet
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0523-3 — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

0523-3: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include overall_width: 7.000 INCHES NOMINAL IN, overall_height: 17.000 INCHES NOMINAL IN, overall_length: 12.000 INCHES NOMINAL IN, special_features: PACKAGES OF 400, part_name_assigned_by_controlling_agency: KRAFT EVIDENCE BAG. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-278-7001, 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
0523-3
NSN: 3110-00-278-7001
NIINs: 002787001, 015822275
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 70854 — SCHAEFFLER AEROSPACE USA CORP DIV SCHAEFFLER AEROSPACE USA CORPORATION (USA)
SPECIFICATIONS
overall_width7.000 INCHES NOMINAL IN
overall_height17.000 INCHES NOMINAL IN
overall_length12.000 INCHES NOMINAL IN
special_featuresPACKAGES OF 400
part_name_assigned_by_controlling_agencyKRAFT EVIDENCE BAG
NSN3110-00-278-7001
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 0523-3 · 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
KEY FEATURES
•
RETAINER FABRICATION METHOD: COILED
•
LUBRICATION MATERIAL: OIL
•
INTERNAL CLEARANCE: 0.0003 INCHES MINIMUM RADIAL AND 0.0006 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 0.6250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODCOILED
LUBRICATION MATERIALOIL
INTERNAL CLEARANCE0.0003 INCHES MINIMUM RADIAL AND 0.0006 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.1970 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER0.6250 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 3
RS77SR4DZE7223JReference document
Same NSN cross-reference
Reference document — Secondary reference
R4SSZ4V011Reference document
Same NSN cross-reference
Reference document — Secondary reference
R4SSZ4VReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0523-3?
0523-3 is a BEARING,BALL,ANNULAR.
What parts can replace 0523-3?
There are 3 known substitutes for 0523-3: RS77SR4DZE7223J, R4SSZ4V011, R4SSZ4V. Substitute compatibility should be verified for your specific system.
What is the NSN for 0523-3?
0523-3 is cataloged in the U.S. Government catalog under NSN 3110-00-278-7001. 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.