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PartsTable / COMPONENT / X107MILG3278A
X107MILG3278A ✓ 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,AIRFRAME is a the manufacturer industrial component. Key specifications include material: STEEL SHIELD, bore_diameter: 0.3755 INCHES NOMINAL IN, load_direction: RADIAL, inner_ring_width: 0.5000 INCHES NOMINAL IN, outer_ring_width: 0.3540 INCHES NOMINAL IN, style_designator: SINGLE ROW INNER RING EXTENDED BOTH SIDES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6283, 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
X107MILG3278A
NSN: 3110-00-158-6283
FSC: 3110
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL SHIELD
bore_diameter0.3755 INCHES NOMINAL IN
load_directionRADIAL
shield_quantity2
inner_ring_width0.5000 INCHES NOMINAL IN
outer_ring_width0.3540 INCHES NOMINAL IN
style_designatorSINGLE ROW INNER RING EXTENDED BOTH SIDES
surface_treatmentCADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES
lubrication_materialGREASE
overall_outside_diameter1.1811 INCHES NOMINAL IN
lubrication_material_document_and_classificationMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
NSN3110-00-158-6283
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: X107MILG3278A · 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
•
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
•
BORE DIAMETER: 0.3755 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
LOAD DIRECTION: RADIAL
•
INNER RING WIDTH: 0.5000 INCHES NOMINAL IN
•
OUTER RING WIDTH: 0.3540 INCHES NOMINAL IN
•
LUBRICATION MATERIAL: GREASE
•
OVERALL OUTSIDE DIAMETER: 1.1811 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.3755 INCHES NOMINAL IN
SHIELD QUANTITY2
LOAD DIRECTIONRADIAL
INNER RING WIDTH0.5000 INCHES NOMINAL IN
OUTER RING WIDTH0.3540 INCHES NOMINAL IN
LUBRICATION MATERIALGREASE
OVERALL OUTSIDE DIAMETER1.1811 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW INNER RING EXTENDED BOTH SIDES
MATERIALSTEEL CORROSION RESISTING INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
119203Interchangeable
interchangeable cross-reference
interchangeable
X107Interchangeable
interchangeable cross-reference
interchangeable
804911Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
B107.1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X107MILG3278A?
X107MILG3278A is a BEARING,BALL,AIRFRAME.
What parts can replace X107MILG3278A?
There are 19 known substitutes for X107MILG3278A: 119203, X107, 804911 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X107MILG3278A?
X107MILG3278A is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-158-6283. 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