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Technical Data Sheet
PartsTable / COMPONENT / R1902PPDK49/274
R1902PPDK49/274 ✓ 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 R1902PPDK49/274 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-328-3850, 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
R1902PPDK49/274
NSN: 3110-01-328-3850
FSC: 3110
CAGE: 83086 — NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION (USA)
SPECIFICATIONS
Part NumberR1902PPDK49/274
NSN3110-01-328-3850
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: R1902PPDK49/274 · 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: 15.0 MILLIMETERS NOMINAL MM
•
OVERALL OUTSIDE DIAMETER: 28.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL COMP E52100 OVERALL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
ALIGNMENT TYPE: RIGID
•
BORE SHAPE: STRAIGHT
•
LUBRICATION MATERIAL: GREASE
•
LOAD DIRECTION: RADIAL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER15.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER28.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL COMP E52100 OVERALL
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
ALIGNMENT TYPERIGID
BORE SHAPESTRAIGHT
LUBRICATION MATERIALGREASE
LOAD DIRECTIONRADIAL
SHIELD QUANTITY2
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
FFB171/02J02C6BInterchangeable
interchangeable cross-reference
interchangeable
FF-B-171/4Interchangeable
interchangeable cross-reference
interchangeable
77502Interchangeable
interchangeable cross-reference
interchangeable
A-A-59582Interchangeable
interchangeable cross-reference
interchangeable
A-A-59582-504JEBHInterchangeable
interchangeable cross-reference
interchangeable
177709-63Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1902PPDK49/274?
R1902PPDK49/274 is a R1902PPDK49/274.
What parts can replace R1902PPDK49/274?
There are 30 known substitutes for R1902PPDK49/274: FFB171/02J02C6B, FF-B-171/4, 77502 and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1902PPDK49/274?
R1902PPDK49/274 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-328-3850. 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