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Technical Data Sheet
PartsTable / COMPONENT / 500568 52AC5KZ 774452180571
500568 52AC5KZ 774452180571 ✓ 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

The BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 RETAINER, bore_shape: STRAIGHT, bore_diameter: 1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN, overall_width: 0.6249 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: ONE DIRECTION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-078-0035, 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
500568 52AC5KZ 774452180571
NSN: 3110-00-078-0035
FSC: 3110
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 RETAINER
bore_shapeSTRAIGHT
bore_diameter1.9683 INCHES MINIMUM AND 1.9685 INCHES MAXIMUM IN
overall_width0.6249 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureONE DIRECTION
style_designatorSINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
precious_materialSILVER
surface_treatmentSILVER RETAINER
internal_clearance0.0016 INCHES MINIMUM RADIAL AND 0.0023 INCHES MAXIMUM RADIAL IN
overall_outside_diameter3.1493 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
precious_material_and_locationRETAINER SURFACE SILVER
NSN3110-00-078-0035
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 500568 52AC5KZ 774452180571 · 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
•
PRECIOUS MATERIAL AND LOCATION: RETAINER SURFACE SILVER
•
MATERIAL: STEEL ROLLER
•
LOCATING FEATURE: ONE DIRECTION
•
INTERNAL CLEARANCE: 0.0016 INCHES MINIMUM RADIAL AND 0.0023 INCHES MAXIMUM RADIAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
TECHNICAL CHARACTERISTICS (FLIS)
PRECIOUS MATERIAL AND LOCATIONRETAINER SURFACE SILVER
MATERIALSTEEL ROLLER
LOCATING FEATUREONE DIRECTION
INTERNAL CLEARANCE0.0016 INCHES MINIMUM RADIAL AND 0.0023 INCHES MAXIMUM RADIAL IN
MATERIALSTEEL COMP 4340 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE ROLLER
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATIONPWA 725,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
OVERALL OUTSIDE DIAMETER3.1493 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
50056-7Interchangeable
interchangeable cross-reference
interchangeable
0037447463587Interchangeable
interchangeable cross-reference
interchangeable
FRNR-70-0014Interchangeable
interchangeable cross-reference
interchangeable
LTG831742Interchangeable
interchangeable cross-reference
interchangeable
500568Interchangeable
Same NIIN cross-reference
interchangeable
500566Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500568 52AC5KZ 774452180571?
500568 52AC5KZ 774452180571 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace 500568 52AC5KZ 774452180571?
There are 7 known substitutes for 500568 52AC5KZ 774452180571: 50056-7, 0037447463587, FRNR-70-0014 and 4 more. Substitute compatibility should be verified for your specific system.
Is 500568 52AC5KZ 774452180571 still available?
500568 52AC5KZ 774452180571 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026