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Technical Data Sheet
PartsTable / COMPONENT / 928J660PC4
928J660PC4 ✓ 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: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.7872 INCHES MINIMUM AND 0.7884 INCHES MAXIMUM IN, overall_width: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-991-0936, 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
928J660PC4
NSN: 3110-00-991-0936
FSC: 3110
CAGE: 11660 — WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter0.7872 INCHES MINIMUM AND 0.7884 INCHES MAXIMUM IN
overall_width0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
load_directionRADIAL
surface_finishGROUND
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeLIPS TURNED OUTWARDLY
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter2.0470 INCHES MINIMUM AND 2.0472 INCHES MAXIMUM IN
internal_fit-up_designationTIGHT
NSN3110-00-991-0936
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 928J660PC4 · 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
•
NONDEFINITIVE SPEC/STD DATA: 120 TYPE
•
DEPARTURE FROM CITED DESIGNATOR: TESTED FOR QUIET OPERATION APPLICABLE TO SUBMARINE USAGE
•
BEARING SEAL TYPE: LIPS TURNED OUTWARDLY
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
SURFACE FINISH: GROUND
•
INTERNAL CLEARANCE: 0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA120 TYPE
DEPARTURE FROM CITED DESIGNATORTESTED FOR QUIET OPERATION APPLICABLE TO SUBMARINE USAGE
BEARING SEAL TYPELIPS TURNED OUTWARDLY
INTERNAL FIT-UP DESIGNATIONTIGHT
SURFACE FINISHGROUND
INTERNAL CLEARANCE0.0004 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
RETAINER FABRICATION METHODPRESSED
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
H2650-1540PC23Interchangeable
interchangeable cross-reference
interchangeable
2650-1165PC26Interchangeable
interchangeable cross-reference
interchangeable
2650-2275GP2 ITEM 52Interchangeable
interchangeable cross-reference
interchangeable
2650-2230GP1 ITEM 50Interchangeable
interchangeable cross-reference
interchangeable
405850-102AInterchangeable
interchangeable cross-reference
interchangeable
2650-1145PC19NTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 928J660PC4?
928J660PC4 is a BEARING,BALL,ANNULAR.
What parts can replace 928J660PC4?
There are 34 known substitutes for 928J660PC4: H2650-1540PC23, 2650-1165PC26, 2650-2275GP2 ITEM 52 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 928J660PC4?
928J660PC4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-991-0936. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026