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Technical Data Sheet
PartsTable / COMPONENT / MB028080
MB028080 ✓ 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 bore_shape: STRAIGHT, bore_diameter: 31.4990 INCHES MINIMUM AND 31.5150 INCHES MAXIMUM IN, overall_width: 2.1650 INCHES MINIMUM AND 2.2050 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, overall_outside_diameter: 39.3710 INCHES MINIMUM AND 39.3750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-161-4026, 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
MB028080
NSN: 3110-01-161-4026
FSC: 3110
CAGE: 39820 — KINGSBURY, INC. DBA MESSINGER BEARINGS DIV MESSINGER BEARINGS (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT
bore_diameter31.4990 INCHES MINIMUM AND 31.5150 INCHES MAXIMUM IN
overall_width2.1650 INCHES MINIMUM AND 2.2050 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
special_featuresLUBRICATION-PACK W/ MIL-G-81322 GREASE; FURNISHED W/ MOUNTING HOLES ON BOTH RINGS; FURNISHED W/ 4 GREASE FITTINGS,MS15001-1,FSCM 96906,90 DEG APART ON OD SURFACE,WITH GEAR
overall_outside_diameter39.3710 INCHES MINIMUM AND 39.3750 INCHES MAXIMUM IN
NSN3110-01-161-4026
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MB028080 · 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
•
SURFACE FINISH: GROUND
•
LOCATING FEATURE: NONLOCATING
•
BORE DIAMETER: 31.4990 INCHES MINIMUM AND 31.5150 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 39.3710 INCHES MINIMUM AND 39.3750 INCHES MAXIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-M-11472 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE FINISHGROUND
LOCATING FEATURENONLOCATING
OVERALL WIDTH2.1650 INCHES MINIMUM AND 2.2050 INCHES MAXIMUM IN
BORE DIAMETER31.4990 INCHES MINIMUM AND 31.5150 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER39.3710 INCHES MINIMUM AND 39.3750 INCHES MAXIMUM IN
TEST DATA DOCUMENT81349-MIL-M-11472 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SPECIAL FEATURESLUBRICATION-PACK W/ MIL-G-81322 GREASE; FURNISHED W/ MOUNTING HOLES ON BOTH RINGS; FURNISHED W/ 4 GREASE FITTINGS,MS15001-1,FSCM 96906,90 DEG APART ON OD SURFACE,WITH GEAR
BORE SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1272SInterchangeable
interchangeable cross-reference
interchangeable
8176257Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY17CL3Interchangeable
interchangeable cross-reference
interchangeable
28080CSInterchangeable
interchangeable cross-reference
interchangeable
28080Interchangeable
interchangeable cross-reference
interchangeable
AN96PC88007BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MB028080?
MB028080 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace MB028080?
There are 17 known substitutes for MB028080: 1272S, 8176257, GGG-W-636 TY17CL3 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB028080?
MB028080 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-161-4026. 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