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Technical Data Sheet
PartsTable / COMPONENT / 500577
500577 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include material: STEEL OUTER RING, bore_shape: STRAIGHT, bore_diameter: 2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN, overall_width: 0.7037 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-079-1229, 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
500577
NSN: 3110-00-079-1229
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
bore_shapeSTRAIGHT
bore_diameter2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM IN
overall_width0.7037 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresSILVERPLATED RETAINER
style_designatorSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
internal_clearance0.0022 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN
overall_outside_diameter3.7399 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN
standard_tolerance_designationRBEC NO.5
material_document_and_classificationPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
NSN3110-00-079-1229
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 500577 · 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
•
MATERIAL: STEEL OUTER RING
•
MATERIAL DOCUMENT AND CLASSIFICATION: PWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE RETAINER
•
INTERNAL CLEARANCE: 0.0022 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.7037 INCHES MINIMUM AND 0.7087 INCHES MAXIMUM IN
MATERIALSTEEL OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
INTERNAL CLEARANCE0.0022 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN
BORE SHAPESTRAIGHT
MATERIALSTEEL INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIALSTEEL ROLLER
STYLE DESIGNATORSINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
072-46LInterchangeable
interchangeable cross-reference
interchangeable
MILR11Interchangeable
interchangeable cross-reference
interchangeable
RC30BF751JInterchangeable
interchangeable cross-reference
interchangeable
Y1015B3PC3Interchangeable
interchangeable cross-reference
interchangeable
500577-F58061Interchangeable
interchangeable cross-reference
interchangeable
X1079A1PC79-98Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500577?
500577 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace 500577?
There are 14 known substitutes for 500577: 072-46L, MILR11, RC30BF751J and 11 more. Substitute compatibility should be verified for your specific system.
Is 500577 still available?
500577 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026