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Technical Data Sheet
PartsTable / COMPONENT / 2121V
2121V ✓ 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,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, cone_width: 1.2160 INCHES NOMINAL IN, flange_width: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN, bore_diameter: 60.00 MILLIMETERS NOMINAL MM, contact_angle: 10.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8789, 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
2121V
NSN: 3110-00-144-8789
FSC: 3110
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
cone_width1.2160 INCHES NOMINAL IN
flange_width0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
bore_diameter60.00 MILLIMETERS NOMINAL MM
contact_angle10.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM
cubic_measure6.000 CUBIC INCHES
hole_diameter0.875 INCHES NOMINAL IN
overall_width2.1250 INCHES NOMINAL IN
seal_quantity2
alignment_typeRIGID
load_directionRADIAL
NSN3110-00-144-8789
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 2121V · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
12J5Interchangeable
interchangeable cross-reference
interchangeable
304MInterchangeable
interchangeable cross-reference
interchangeable
43847Interchangeable
interchangeable cross-reference
interchangeable
700788Interchangeable
interchangeable cross-reference
interchangeable
DIT-255Interchangeable
interchangeable cross-reference
interchangeable
PD52414Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2121V?
2121V is a BEARING,BALL,ANNULAR.
What parts can replace 2121V?
There are 20 known substitutes for 2121V: 12J5, 304M, 43847 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2121V?
2121V is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-144-8789. 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