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Technical Data Sheet
PartsTable / COMPONENT / MI28D
MI28D ✓ 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 SEMICONDUCTOR DEVICES,UNITIZED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 1.7500 INCHES NOMINAL IN, overall_width: 3.5200 INCHES NOMINAL IN, surface_finish: GROUND, special_features: PAIR OF INNER RINGS MATCHED FOR TOLERANCE AND RUNOUT,MOUNTED WITH ONE SET OF FACES TOGETHER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-078-9180, 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
MI28D
NSN: 3110-00-078-9180
FSC: 3110
CAGE: 92563 — MCGILL MANUFACTURING CO, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter1.7500 INCHES NOMINAL IN
overall_width3.5200 INCHES NOMINAL IN
surface_finishGROUND
special_featuresPAIR OF INNER RINGS MATCHED FOR TOLERANCE AND RUNOUT,MOUNTED WITH ONE SET OF FACES TOGETHER
style_designatorSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
overall_outside_diameter2.2500 INCHES NOMINAL IN
NSN3110-00-078-9180
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MI28D · 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: 2.2500 INCHES NOMINAL IN
•
BORE DIAMETER: 1.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
•
MATERIAL: STEEL OVERALL
•
BORE SHAPE: STRAIGHT
•
SURFACE FINISH: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER2.2500 INCHES NOMINAL IN
SPECIAL FEATURESPAIR OF INNER RINGS MATCHED FOR TOLERANCE AND RUNOUT,MOUNTED WITH ONE SET OF FACES TOGETHER
BORE DIAMETER1.7500 INCHES NOMINAL IN
STYLE DESIGNATORSOLID INNER RACE, WITH BORE CHAMFER, JOURNAL AND NEEDLE
OVERALL WIDTH3.5200 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
BORE SHAPESTRAIGHT
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
100176Interchangeable
interchangeable cross-reference
interchangeable
CL705L2Interchangeable
interchangeable cross-reference
interchangeable
011011PBXInterchangeable
interchangeable cross-reference
interchangeable
8306997Interchangeable
interchangeable cross-reference
interchangeable
41120Interchangeable
Intel | CPU Intel Xeon Silver 4112 2.60GHz 4C 8.25M 85W LGA3647 L3 (Alt: 6YC56)
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MI28D?
MI28D is a SEMICONDUCTOR DEVICES,UNITIZED.
What parts can replace MI28D?
There are 5 known substitutes for MI28D: 100176, CL705L2, 011011PBX and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MI28D?
MI28D is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-078-9180. 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