PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 556-7068391
556-7068391 ✓ 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,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC TETRAFLUOROETHYLENE OVERALL, bore_diameter: 0.7874 INCHES NOMINAL IN, overall_width: 0.8750 INCHES NOMINAL IN, special_features: DIMENSIONS RAE 20X52X22 MM, style_designator: NON-SEPARABLE, end_item_identification: LOS ANGLES CLASS SSN (688). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-484-7327, 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
556-7068391
NSN: 3110-01-484-7327
FSC: 3110
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC TETRAFLUOROETHYLENE OVERALL
bore_diameter0.7874 INCHES NOMINAL IN
overall_width0.8750 INCHES NOMINAL IN
special_featuresDIMENSIONS RAE 20X52X22 MM
style_designatorNON-SEPARABLE
end_item_identificationLOS ANGLES CLASS SSN (688)
overall_outside_diameter2.0472 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBUSHING,CAM
NSN3110-01-484-7327
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 556-7068391 · 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
•
OVERALL OUTSIDE DIAMETER: 2.0472 INCHES NOMINAL IN
•
BORE DIAMETER: 0.7874 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-SEPARABLE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONLOS ANGLES CLASS SSN (688)
OVERALL OUTSIDE DIAMETER2.0472 INCHES NOMINAL IN
BORE DIAMETER0.7874 INCHES NOMINAL IN
SPECIAL FEATURESDIMENSIONS RAE 20X52X22 MM
OVERALL WIDTH0.8750 INCHES NOMINAL IN
STYLE DESIGNATORNON-SEPARABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
954255Interchangeable
interchangeable cross-reference
interchangeable
503610Interchangeable
interchangeable cross-reference
interchangeable
5304A-2Z/LHT55Interchangeable
interchangeable cross-reference
interchangeable
556-7068391-33Interchangeable
interchangeable cross-reference
interchangeable
556-7068391Interchangeable
interchangeable cross-reference
interchangeable
H793-3201-33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 556-7068391?
556-7068391 is a BEARING,BALL,ANNULAR.
What parts can replace 556-7068391?
There are 10 known substitutes for 556-7068391: 954255, 503610, 5304A-2Z/LHT55 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7068391?
556-7068391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-484-7327. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026