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77503FZB5005E — BEARING,BALL,ANNULAR

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

77503FZB5005E: BEARING,BALL,ANNULAR.

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.6700 INCHES MINIMUM AND 0.6702 INCHES MAXIMUM IN, overall_width: 0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-586-0827, 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
77503FZB5005E
NSN: 3110-00-586-0827
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.6700 INCHES MINIMUM AND 0.6702 INCHES MAXIMUM IN
overall_width0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
special_featuresINNER AND OUTER RING RUNOUT 0.0002 IN. IN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter1.5739 INCHES MINIMUM AND 1.5742 INCHES MAXIMUM IN
NSN3110-00-586-0827
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 77503FZB5005E · 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: PRESSED
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL CLEARANCE: 0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 2
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 1.5739 INCHES MINIMUM AND 1.5742 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
LUBRICATION MATERIALGREASE
INTERNAL CLEARANCE0.0001 INCHES MINIMUM RADIAL AND 0.0003 INCHES MAXIMUM RADIAL IN
SURFACE FINISHGROUND
SHIELD QUANTITY2
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.4674 INCHES MINIMUM AND 0.4724 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.5739 INCHES MINIMUM AND 1.5742 INCHES MAXIMUM IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
SUBSTITUTES & CROSS-REFERENCES 2
203SSTX7K2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
887264Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77503FZB5005E?
77503FZB5005E is a BEARING,BALL,ANNULAR.
What parts can replace 77503FZB5005E?
There are 2 known substitutes for 77503FZB5005E: 203SSTX7K2, 887264. Substitute compatibility should be verified for your specific system.
What is the NSN for 77503FZB5005E?
77503FZB5005E is cataloged in the U.S. Government catalog under NSN 3110-00-586-0827. 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.