PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 3TKRD14-21-UDB4/
3TKRD14-21-UDB4/ ✓ 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 3TKRD14-21-UDB4/ 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 3110-01-208-6822, 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
3TKRD14-21-UDB4/
NSN: 3110-01-208-6822
FSC: 3110
CAGE: 78118 — MPB CORPORATION DBA MPB CORP (USA)
SPECIFICATIONS
Part Number3TKRD14-21-UDB4/
NSN3110-01-208-6822
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3TKRD14-21-UDB4/ · 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
•
MATERIAL: STEEL COMP 440C OUTER RING
•
LOAD DIRECTION: RADIAL
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
•
OVERALL OUTSIDE DIAMETER: 1.3125 INCHES NOMINAL IN
•
SHIELD QUANTITY: 2
•
BORE DIAMETER: 0.8750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 440C OUTER RING
LOAD DIRECTIONRADIAL
MATERIALGREASE LUBRICATION
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL OUTSIDE DIAMETER1.3125 INCHES NOMINAL IN
OVERALL WIDTH0.5000 INCHES NOMINAL IN
SHIELD QUANTITY2
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALSTEEL COMP 440C BALL
MATERIALSTEEL COMP 440C INNER RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
11092Interchangeable
interchangeable cross-reference
interchangeable
P8-5-3Interchangeable
interchangeable cross-reference
interchangeable
46641PC39Interchangeable
interchangeable cross-reference
interchangeable
CD4053BEAInterchangeable
interchangeable cross-reference
interchangeable
CD4053BEInterchangeable
interchangeable cross-reference
interchangeable
S644053Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3TKRD14-21-UDB4/?
3TKRD14-21-UDB4/ is a 3TKRD14-21-UDB4/.
What parts can replace 3TKRD14-21-UDB4/?
There are 12 known substitutes for 3TKRD14-21-UDB4/: 11092, P8-5-3, 46641PC39 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3TKRD14-21-UDB4/?
3TKRD14-21-UDB4/ is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-208-6822. 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