PartsTable
Technical Data Sheet
MR1905EX6 ✓ 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 OUTER RING, bore_shape: STRAIGHT, bore_diameter: 1.1220 INCHES MINIMUM AND 1.1225 INCHES MAXIMUM IN, surface_finish: GROUND, locating_feature: NONLOCATING, outer_ring_width: 0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-143-3793, 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
MR1905EX6
NSN: 3110-01-143-3793
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
materialSTEEL COMP M50 OUTER RING
bore_shapeSTRAIGHT
bore_diameter1.1220 INCHES MINIMUM AND 1.1225 INCHES MAXIMUM IN
surface_finishGROUND
locating_featureNONLOCATING
outer_ring_width0.3493 INCHES MINIMUM AND 0.3543 INCHES MAXIMUM IN
special_featuresSILVER PLATE CAGE 0.0005 THK PER AMS 2412
style_designatorSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
end_item_identificationACFT ENG F-107
overall_outside_diameter1.6533 INCHES MINIMUM AND 1.6535 INCHES MAXIMUM IN
retainer_fabrication_methodMACHINED
standard_tolerance_designationRBEC NO.5
NSN3110-01-143-3793
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: MR1905EX6 · 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: 1.1220 INCHES MINIMUM AND 1.1225 INCHES MAXIMUM IN
MATERIAL: STEEL COMP M50 OUTER RING
STYLE DESIGNATOR: SINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
LOCATING FEATURE: NONLOCATING
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONACFT ENG F-107
BORE DIAMETER1.1220 INCHES MINIMUM AND 1.1225 INCHES MAXIMUM IN
MATERIALSTEEL COMP M50 OUTER RING
STYLE DESIGNATORSINGLE ROW, TWO LIP OUTER RING, NO INNER RING, ROLLER RETAINMENT RINGS, NON-SEPARABLE
MATERIALSTEEL COMP M50 ROLLER
MATERIALSTEEL COMP 4340 RETAINER
LOCATING FEATURENONLOCATING
BORE SHAPESTRAIGHT
SPECIAL FEATURESSILVER PLATE CAGE 0.0005 THK PER AMS 2412
OVERALL OUTSIDE DIAMETER1.6533 INCHES MINIMUM AND 1.6535 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
RW56G502Interchangeable
interchangeable cross-reference
interchangeable
39-168Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-26/4Interchangeable
interchangeable cross-reference
interchangeable
WS9030PCS24-25Interchangeable
interchangeable cross-reference
interchangeable
5050D3051Interchangeable
interchangeable cross-reference
interchangeable
A-A-59649Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MR1905EX6?
MR1905EX6 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace MR1905EX6?
There are 12 known substitutes for MR1905EX6: RW56G502, 39-168, MIL-PRF-26/4 and 9 more. Substitute compatibility should be verified for your specific system.
Is MR1905EX6 still available?
MR1905EX6 is currently cancelled.
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