PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MR-1904-E-3
MR-1904-E-3 ✓ 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 material: STEEL COMP M50 INNER RING, bore_shape: STRAIGHT, bore_diameter: 0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN, surface_finish: GROUND, inner_ring_width: 0.4118 INCHES MINIMUM AND 0.4168 INCHES MAXIMUM IN, locating_feature: TWO DIRECTION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-123-7156, 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
MR-1904-E-3
NSN: 3110-01-123-7156
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP M50 INNER RING
bore_shapeSTRAIGHT
bore_diameter0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
surface_finishGROUND
inner_ring_width0.4118 INCHES MINIMUM AND 0.4168 INCHES MAXIMUM IN
locating_featureTWO DIRECTION
outer_ring_width0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN
style_designatorSOLID INNER AND OUTER RACES
end_item_identificationACFT ENG F-107
overall_outside_diameter1.4565 INCHES MINIMUM AND 1.4567 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
NSN3110-01-123-7156
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR-1904-E-3 · 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 SHAPE: STRAIGHT
•
MATERIAL: STEEL COMP M50 OUTER RING
•
STYLE DESIGNATOR: SOLID INNER AND OUTER RACES
•
OUTER RING WIDTH: 0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BORE SHAPESTRAIGHT
END ITEM IDENTIFICATIONACFT ENG F-107
MATERIALSTEEL COMP M50 OUTER RING
MATERIALSTEEL COMP M50 INNER RING
MATERIALCOPPER ALLOY RETAINER
STYLE DESIGNATORSOLID INNER AND OUTER RACES
MATERIALSTEEL COMP M50 ROLLER
OUTER RING WIDTH0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN
INNER RING WIDTH0.4118 INCHES MINIMUM AND 0.4168 INCHES MAXIMUM IN
BORE DIAMETER0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
23408Interchangeable
interchangeable cross-reference
interchangeable
36917Interchangeable
interchangeable cross-reference
interchangeable
19301Interchangeable
interchangeable cross-reference
interchangeable
214726Interchangeable
interchangeable cross-reference
interchangeable
19301CInterchangeable
interchangeable cross-reference
interchangeable
FCS537WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR-1904-E-3?
MR-1904-E-3 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace MR-1904-E-3?
There are 18 known substitutes for MR-1904-E-3: 23408, 36917, 19301 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MR-1904-E-3?
MR-1904-E-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-123-7156. 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