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Technical Data Sheet
PartsTable / COMPONENT / M3189PC23
M3189PC23 ✓ 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 COMP E52100 BALL, bore_shape: STRAIGHT, bore_diameter: 0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN, overall_width: 0.8105 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-991-0935, 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
M3189PC23
NSN: 3110-00-991-0935
FSC: 3110
CAGE: 46175 — PEERLESS-WINSMITH, INC. DBA PEERLESS WINSMITH (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 BALL
bore_shapeSTRAIGHT
bore_diameter0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
overall_width0.8105 INCHES MINIMUM AND 0.8125 INCHES MAXIMUM IN
seal_quantity2
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_diameter1.8502 INCHES MINIMUM AND 1.8504 INCHES MAXIMUM IN
NSN3110-00-991-0935
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: M3189PC23 · 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
•
BORE DIAMETER: 0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP E52100 INNER RING
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE INNER RING
•
NONDEFINITIVE SPEC/STD DATA: 120 TYPE
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL: GREASE
•
BEARING SEAL TYPE: LIPS TURNED OUTWARDLY
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
MATERIALSTEEL COMP E52100 INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE INNER RING
NONDEFINITIVE SPEC/STD DATA120 TYPE
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
BEARING SEAL TYPELIPS TURNED OUTWARDLY
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-18709 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISHGROUND
SEAL QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
152066Interchangeable
interchangeable cross-reference
interchangeable
PRP6227-5H228-70Interchangeable
interchangeable cross-reference
interchangeable
152-0066-00Interchangeable
interchangeable cross-reference
interchangeable
GP10G-020Interchangeable
interchangeable cross-reference
interchangeable
MILB17931BInterchangeable
interchangeable cross-reference
interchangeable
10264PC10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3189PC23?
M3189PC23 is a BEARING,BALL,ANNULAR.
What parts can replace M3189PC23?
There are 33 known substitutes for M3189PC23: 152066, PRP6227-5H228-70, 152-0066-00 and 30 more. Substitute compatibility should be verified for your specific system.
Is M3189PC23 still available?
M3189PC23 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